velxio/scripts/component-overrides.json

{
  "$comment": "Custom property overrides applied AFTER auto-generation from wokwi-elements. Add entries here to customize controls, add new properties, or change defaults. These survive metadata regeneration. Use `_customComponents` to inject Velxio-only parts not defined in wokwi-elements.",
  "_customComponents": [
    {
      "id": "a4988",
      "tagName": "velxio-a4988",
      "name": "A4988 Stepper Driver",
      "category": "motors",
      "description": "A4988 bipolar stepper motor driver (STEP/DIR). Pulse STEP to advance one step; DIR sets the direction; MS1-MS3 select microstepping. Outputs 1A/1B (coil A) and 2A/2B (coil B) to a stepper's A+/A-/B+/B- terminals.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 16,
      "tags": [
        "a4988",
        "stepper",
        "driver",
        "motor",
        "step",
        "dir",
        "pololu",
        "motors"
      ],
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"16\" y=\"7\" width=\"32\" height=\"50\" rx=\"3\" fill=\"#0b3d2e\" stroke=\"#2d8f5a\" stroke-width=\"0.8\"/>\n    <rect x=\"25\" y=\"25\" width=\"14\" height=\"14\" rx=\"1\" fill=\"#15151a\" stroke=\"#333\"/>\n    <text x=\"32\" y=\"19\" text-anchor=\"middle\" font-family=\"sans-serif\" font-size=\"6\" fill=\"#cfe8d8\" font-weight=\"bold\">A4988</text>\n    <g fill=\"#d4af37\"><rect x=\"11\" y=\"14\" width=\"5\" height=\"2\"/><rect x=\"11\" y=\"22\" width=\"5\" height=\"2\"/><rect x=\"11\" y=\"30\" width=\"5\" height=\"2\"/><rect x=\"11\" y=\"38\" width=\"5\" height=\"2\"/><rect x=\"48\" y=\"14\" width=\"5\" height=\"2\"/><rect x=\"48\" y=\"22\" width=\"5\" height=\"2\"/><rect x=\"48\" y=\"30\" width=\"5\" height=\"2\"/><rect x=\"48\" y=\"38\" width=\"5\" height=\"2\"/></g>\n    <text x=\"32\" y=\"51\" text-anchor=\"middle\" font-family=\"sans-serif\" font-size=\"5\" fill=\"#8fbfa6\">STEP/DIR</text></svg>"
    },
    {
      "id": "logic-gate-and",
      "tagName": "velxio-logic-and",
      "name": "AND Gate",
      "category": "logic",
      "description": "2-input AND logic gate. Output Y = A · B.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "and",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nand",
      "tagName": "velxio-logic-nand",
      "name": "NAND Gate",
      "category": "logic",
      "description": "2-input NAND logic gate. Output Y = NOT(A · B).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "nand",
        "digital"
      ]
    },
    {
      "id": "logic-gate-or",
      "tagName": "velxio-logic-or",
      "name": "OR Gate",
      "category": "logic",
      "description": "2-input OR logic gate. Output Y = A + B.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "or",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nor",
      "tagName": "velxio-logic-nor",
      "name": "NOR Gate",
      "category": "logic",
      "description": "2-input NOR logic gate. Output Y = NOT(A + B).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "nor",
        "digital"
      ]
    },
    {
      "id": "logic-gate-xor",
      "tagName": "velxio-logic-xor",
      "name": "XOR Gate",
      "category": "logic",
      "description": "2-input XOR logic gate. Output Y = A ⊕ B.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "xor",
        "digital"
      ]
    },
    {
      "id": "logic-gate-xnor",
      "tagName": "velxio-logic-xnor",
      "name": "XNOR Gate",
      "category": "logic",
      "description": "2-input XNOR logic gate. Output Y = NOT(A ⊕ B).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "logic",
        "gate",
        "xnor",
        "digital"
      ]
    },
    {
      "id": "logic-gate-not",
      "tagName": "velxio-logic-not",
      "name": "NOT Gate (Inverter)",
      "category": "logic",
      "description": "1-input inverter. Output Y = NOT(A).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "logic",
        "gate",
        "not",
        "inverter",
        "digital"
      ]
    },
    {
      "id": "bjt-2n2222",
      "tagName": "wokwi-bjt-2n2222",
      "name": "2N2222 (NPN BJT)",
      "category": "analog",
      "description": "General-purpose NPN bipolar transistor. The go-to part for low-power switching and small-signal amplification.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "bjt",
        "npn",
        "2n2222",
        "analog"
      ]
    },
    {
      "id": "bjt-bc547",
      "tagName": "wokwi-bjt-bc547",
      "name": "BC547 (NPN BJT)",
      "category": "analog",
      "description": "Small-signal NPN bipolar transistor, European equivalent of 2N3904. High gain (~400).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "bjt",
        "npn",
        "bc547",
        "analog"
      ]
    },
    {
      "id": "bjt-2n3055",
      "tagName": "wokwi-bjt-2n3055",
      "name": "2N3055 (NPN Power BJT)",
      "category": "analog",
      "description": "Power NPN bipolar transistor. 15A / 60V / 115W TO-3 package. Classic audio amp output stage.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "bjt",
        "npn",
        "power",
        "2n3055",
        "analog"
      ]
    },
    {
      "id": "bjt-2n3906",
      "tagName": "wokwi-bjt-2n3906",
      "name": "2N3906 (PNP BJT)",
      "category": "analog",
      "description": "General-purpose PNP bipolar transistor. Complement of the 2N3904/2N2222.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "bjt",
        "pnp",
        "2n3906",
        "analog"
      ]
    },
    {
      "id": "bjt-bc557",
      "tagName": "wokwi-bjt-bc557",
      "name": "BC557 (PNP BJT)",
      "category": "analog",
      "description": "Small-signal PNP bipolar transistor. Complement of the BC547.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "bjt",
        "pnp",
        "bc557",
        "analog"
      ]
    },
    {
      "id": "mosfet-2n7000",
      "tagName": "wokwi-mosfet-2n7000",
      "name": "2N7000 (N-MOSFET)",
      "category": "analog",
      "description": "Logic-level N-channel MOSFET. Vth ≈ 1.6 V, fully enhanced at 3.3 V — perfect for GPIO-driven load switching.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "mosfet",
        "nmos",
        "n-channel",
        "logic-level",
        "2n7000",
        "analog"
      ]
    },
    {
      "id": "mosfet-irf540",
      "tagName": "wokwi-mosfet-irf540",
      "name": "IRF540 (N-MOSFET Power)",
      "category": "analog",
      "description": "Power N-channel MOSFET. Vth ≈ 3 V (needs 10 V for full enhancement), 33 A / 100 V, R_DS(on) ≈ 77 mΩ. Classic motor / solenoid driver.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "mosfet",
        "nmos",
        "n-channel",
        "power",
        "irf540",
        "analog"
      ]
    },
    {
      "id": "mosfet-irf9540",
      "tagName": "wokwi-mosfet-irf9540",
      "name": "IRF9540 (P-MOSFET)",
      "category": "analog",
      "description": "Power P-channel MOSFET. Used for high-side load switching with logic input.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "mosfet",
        "pmos",
        "p-channel",
        "irf9540",
        "analog"
      ]
    },
    {
      "id": "mosfet-fqp27p06",
      "tagName": "wokwi-mosfet-fqp27p06",
      "name": "FQP27P06 (P-MOSFET)",
      "category": "analog",
      "description": "Logic-level P-channel MOSFET. Suitable for 3.3V / 5V gate drive.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "transistor",
        "mosfet",
        "pmos",
        "p-channel",
        "fqp27p06",
        "logic-level",
        "analog"
      ]
    },
    {
      "id": "opamp-ideal",
      "tagName": "wokwi-opamp-ideal",
      "name": "Ideal Op-Amp",
      "category": "analog",
      "description": "Idealized operational amplifier. Infinite gain, infinite input impedance, no saturation. Use for textbook circuits where real-chip limitations are irrelevant.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "opamp",
        "amplifier",
        "ideal",
        "vcvs",
        "analog"
      ]
    },
    {
      "id": "opamp-lm358",
      "tagName": "wokwi-opamp-lm358",
      "name": "LM358 (Dual Op-Amp)",
      "category": "analog",
      "description": "Dual single-supply op-amp. Output swings close to both rails. Ideal for MCU-powered signal conditioning.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "opamp",
        "amplifier",
        "lm358",
        "single-supply",
        "analog"
      ]
    },
    {
      "id": "opamp-lm741",
      "tagName": "wokwi-opamp-lm741",
      "name": "LM741 (Op-Amp)",
      "category": "analog",
      "description": "Classic general-purpose op-amp. Requires ~1.5V of headroom from each supply rail. Used in didactic circuits.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "opamp",
        "amplifier",
        "lm741",
        "classic",
        "analog"
      ]
    },
    {
      "id": "opamp-tl072",
      "tagName": "wokwi-opamp-tl072",
      "name": "TL072 (JFET Op-Amp)",
      "category": "analog",
      "description": "JFET-input dual op-amp. Very high input impedance, low noise — audio and instrumentation.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "opamp",
        "amplifier",
        "tl072",
        "jfet",
        "audio",
        "analog"
      ]
    },
    {
      "id": "opamp-lm324",
      "tagName": "wokwi-opamp-lm324",
      "name": "LM324 (Quad Op-Amp)",
      "category": "analog",
      "description": "Quad single-supply op-amp. Same electrical spec as LM358, four channels per package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "opamp",
        "amplifier",
        "lm324",
        "quad",
        "single-supply",
        "analog"
      ]
    },
    {
      "id": "reg-7805",
      "tagName": "wokwi-reg-7805",
      "name": "7805 (+5V Linear Regulator)",
      "category": "analog",
      "description": "Fixed +5V linear regulator, 1A, TO-220. Dropout ≈ 2V. Classic MCU power supply.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "regulator",
        "linear",
        "78xx",
        "7805",
        "+5v",
        "analog"
      ]
    },
    {
      "id": "reg-7812",
      "tagName": "wokwi-reg-7812",
      "name": "7812 (+12V Linear Regulator)",
      "category": "analog",
      "description": "Fixed +12V linear regulator, 1A, TO-220. Dropout ≈ 2V. Motor drivers, fan supplies.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "regulator",
        "linear",
        "78xx",
        "7812",
        "+12v",
        "analog"
      ]
    },
    {
      "id": "reg-7905",
      "tagName": "wokwi-reg-7905",
      "name": "7905 (−5V Linear Regulator)",
      "category": "analog",
      "description": "Fixed −5V linear regulator, 1A, TO-220. Negative-rail complement of the 7805.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "regulator",
        "linear",
        "79xx",
        "7905",
        "-5v",
        "negative",
        "analog"
      ]
    },
    {
      "id": "reg-lm317",
      "tagName": "wokwi-reg-lm317",
      "name": "LM317 (Adjustable Linear Regulator)",
      "category": "analog",
      "description": "Adjustable +1.25V to +37V linear regulator. V_out = 1.25·(1 + R2/R1). Versatile workhorse.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 3,
      "tags": [
        "regulator",
        "linear",
        "lm317",
        "adjustable",
        "analog"
      ]
    },
    {
      "id": "battery-9v",
      "tagName": "wokwi-battery-9v",
      "name": "9V Battery",
      "category": "analog",
      "description": "PP3 / 6LR61 9V alkaline battery. Modelled as 9V DC with ~1.5Ω internal resistance.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "battery",
        "source",
        "9v",
        "power",
        "analog"
      ]
    },
    {
      "id": "battery-aa",
      "tagName": "wokwi-battery-aa",
      "name": "AA Battery (1.5V)",
      "category": "analog",
      "description": "AA alkaline cell. 1.5V, low ESR (~0.15Ω). Pair up for 3V/4.5V/6V packs.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "battery",
        "source",
        "aa",
        "1.5v",
        "analog"
      ]
    },
    {
      "id": "battery-coin-cell",
      "tagName": "wokwi-battery-coin-cell",
      "name": "Coin Cell (CR2032, 3V)",
      "category": "analog",
      "description": "Lithium coin cell. 3V, high ESR (~10Ω) — limits peak current.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "battery",
        "source",
        "coin",
        "cr2032",
        "3v",
        "analog"
      ]
    },
    {
      "id": "logic-gate-and-3",
      "tagName": "velxio-logic-and-3",
      "name": "AND Gate (3-input)",
      "category": "logic",
      "description": "3-input AND gate. Output Y = A · B · C.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "logic",
        "gate",
        "and",
        "3-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-or-3",
      "tagName": "velxio-logic-or-3",
      "name": "OR Gate (3-input)",
      "category": "logic",
      "description": "3-input OR gate. Output Y = A + B + C.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "logic",
        "gate",
        "or",
        "3-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nand-3",
      "tagName": "velxio-logic-nand-3",
      "name": "NAND Gate (3-input)",
      "category": "logic",
      "description": "3-input NAND gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "logic",
        "gate",
        "nand",
        "3-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nor-3",
      "tagName": "velxio-logic-nor-3",
      "name": "NOR Gate (3-input)",
      "category": "logic",
      "description": "3-input NOR gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "logic",
        "gate",
        "nor",
        "3-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-and-4",
      "tagName": "velxio-logic-and-4",
      "name": "AND Gate (4-input)",
      "category": "logic",
      "description": "4-input AND gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 5,
      "tags": [
        "logic",
        "gate",
        "and",
        "4-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-or-4",
      "tagName": "velxio-logic-or-4",
      "name": "OR Gate (4-input)",
      "category": "logic",
      "description": "4-input OR gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 5,
      "tags": [
        "logic",
        "gate",
        "or",
        "4-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nand-4",
      "tagName": "velxio-logic-nand-4",
      "name": "NAND Gate (4-input)",
      "category": "logic",
      "description": "4-input NAND gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 5,
      "tags": [
        "logic",
        "gate",
        "nand",
        "4-input",
        "digital"
      ]
    },
    {
      "id": "logic-gate-nor-4",
      "tagName": "velxio-logic-nor-4",
      "name": "NOR Gate (4-input)",
      "category": "logic",
      "description": "4-input NOR gate.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 5,
      "tags": [
        "logic",
        "gate",
        "nor",
        "4-input",
        "digital"
      ]
    },
    {
      "id": "diode",
      "tagName": "wokwi-diode",
      "name": "Diode (generic)",
      "category": "analog",
      "description": "Generic silicon diode. Vf ≈ 0.7 V. Use for textbook rectification examples.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "rectifier",
        "analog"
      ]
    },
    {
      "id": "diode-1n4148",
      "tagName": "wokwi-diode-1n4148",
      "name": "1N4148 (Small-Signal Diode)",
      "category": "analog",
      "description": "Small-signal silicon diode. Fast switching, low capacitance. Go-to for logic-level protection.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "1n4148",
        "small-signal",
        "analog"
      ]
    },
    {
      "id": "diode-1n4007",
      "tagName": "wokwi-diode-1n4007",
      "name": "1N4007 (1 kV Rectifier)",
      "category": "analog",
      "description": "1 A / 1000 V silicon rectifier diode. Mains bridge rectifiers, back-EMF protection.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "1n4007",
        "rectifier",
        "power",
        "analog"
      ]
    },
    {
      "id": "zener-1n4733",
      "tagName": "wokwi-zener-1n4733",
      "name": "1N4733 (5.1 V Zener)",
      "category": "analog",
      "description": "5.1 V Zener diode, 1 W. Voltage reference / regulator / ESD clamp.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "zener",
        "1n4733",
        "5.1v",
        "regulator",
        "analog"
      ]
    },
    {
      "id": "diode-1n5817",
      "tagName": "wokwi-diode-1n5817",
      "name": "1N5817 (Schottky 20V)",
      "category": "analog",
      "description": "Schottky diode, 1 A / 20 V. Vf ≈ 0.32 V at 1 A. Used in low-drop rectification and reverse-polarity protection.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "schottky",
        "1n5817",
        "low-drop",
        "analog"
      ]
    },
    {
      "id": "diode-1n5819",
      "tagName": "wokwi-diode-1n5819",
      "name": "1N5819 (Schottky 40V)",
      "category": "analog",
      "description": "Schottky diode, 1 A / 40 V. Higher breakdown than 1N5817, same low Vf.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 2,
      "tags": [
        "diode",
        "schottky",
        "1n5819",
        "low-drop",
        "analog"
      ]
    },
    {
      "id": "motor-driver-l293d",
      "tagName": "velxio-motor-driver-l293d",
      "name": "L293D (Dual H-Bridge Motor Driver)",
      "category": "electromech",
      "description": "Dual H-bridge motor driver IC. Each channel: EN, IN1, IN2 drive OUT1/OUT2 with the motor supply voltage (VCC2). Rated 600 mA continuous / 1.2 A peak per channel.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 16,
      "tags": [
        "motor",
        "driver",
        "l293d",
        "h-bridge",
        "dc-motor",
        "stepper",
        "electromech"
      ]
    },
    {
      "id": "flip-flop-d",
      "tagName": "velxio-flip-flop-d",
      "name": "D Flip-Flop",
      "category": "logic",
      "description": "Edge-triggered D-type flip-flop. On rising edge of CLK, Q ← D. Digital simulation only (SPICE cannot do edge detection in .op analysis).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "flip-flop",
        "ff",
        "d",
        "register",
        "sequential",
        "digital",
        "logic"
      ]
    },
    {
      "id": "flip-flop-t",
      "tagName": "velxio-flip-flop-t",
      "name": "T Flip-Flop",
      "category": "logic",
      "description": "Toggle flip-flop. On rising CLK, Q ← Q ⊕ T (toggles when T=1). Useful for frequency dividers and counters.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "flip-flop",
        "ff",
        "t",
        "toggle",
        "sequential",
        "digital",
        "logic"
      ]
    },
    {
      "id": "flip-flop-jk",
      "tagName": "velxio-flip-flop-jk",
      "name": "JK Flip-Flop",
      "category": "logic",
      "description": "JK flip-flop. On rising CLK: J=0/K=0 hold, J=1/K=0 set, J=0/K=1 reset, J=1/K=1 toggle.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 5,
      "tags": [
        "flip-flop",
        "ff",
        "jk",
        "sequential",
        "digital",
        "logic"
      ]
    },
    {
      "id": "ic-74hc00",
      "tagName": "wokwi-ic-74hc00",
      "name": "74HC00 (Quad 2-input NAND)",
      "category": "logic",
      "description": "Four 2-input NAND gates in one 14-pin DIP package. 74HC family (high-speed CMOS).",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc00",
        "nand",
        "quad",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc02",
      "tagName": "wokwi-ic-74hc02",
      "name": "74HC02 (Quad 2-input NOR)",
      "category": "logic",
      "description": "Four 2-input NOR gates in one 14-pin DIP package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc02",
        "nor",
        "quad",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc04",
      "tagName": "wokwi-ic-74hc04",
      "name": "74HC04 (Hex Inverter)",
      "category": "logic",
      "description": "Six NOT gates (inverters) in one 14-pin DIP package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc04",
        "inverter",
        "hex",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc08",
      "tagName": "wokwi-ic-74hc08",
      "name": "74HC08 (Quad 2-input AND)",
      "category": "logic",
      "description": "Four 2-input AND gates in one 14-pin DIP package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc08",
        "and",
        "quad",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc14",
      "tagName": "wokwi-ic-74hc14",
      "name": "74HC14 (Hex Schmitt Inverter)",
      "category": "logic",
      "description": "Six Schmitt-trigger inverters in one 14-pin DIP package. Provides input hysteresis — essential for debouncing noisy signals.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc14",
        "schmitt",
        "inverter",
        "hex",
        "hysteresis",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc32",
      "tagName": "wokwi-ic-74hc32",
      "name": "74HC32 (Quad 2-input OR)",
      "category": "logic",
      "description": "Four 2-input OR gates in one 14-pin DIP package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc32",
        "or",
        "quad",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "ic-74hc86",
      "tagName": "wokwi-ic-74hc86",
      "name": "74HC86 (Quad 2-input XOR)",
      "category": "logic",
      "description": "Four 2-input XOR gates in one 14-pin DIP package.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 14,
      "tags": [
        "ic",
        "74hc",
        "74hc86",
        "xor",
        "quad",
        "dip14",
        "logic"
      ]
    },
    {
      "id": "opto-4n25",
      "tagName": "velxio-opto-4n25",
      "name": "4N25 (Optocoupler)",
      "category": "analog",
      "description": "Single-channel optocoupler with IR LED + phototransistor. CTR ≈ 50%. Provides galvanic isolation between two circuits.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "optocoupler",
        "optoisolator",
        "4n25",
        "isolation",
        "analog"
      ]
    },
    {
      "id": "opto-pc817",
      "tagName": "velxio-opto-pc817",
      "name": "PC817 (Optocoupler)",
      "category": "analog",
      "description": "Single-channel optocoupler. CTR 80–600% (typ. 100%). Higher drive than 4N25, commonly used for MCU-to-mains isolation.",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "optocoupler",
        "optoisolator",
        "pc817",
        "isolation",
        "analog"
      ]
    },
    {
      "id": "relay",
      "tagName": "velxio-relay",
      "name": "Relay (SPDT)",
      "category": "electromech",
      "description": "5-pin single-pole double-throw electromechanical relay. Coil drives SPDT contacts with native switch hysteresis. Optional integrated flyback diode.",
      "properties": [
        {
          "name": "coil_voltage",
          "type": "number",
          "defaultValue": 5,
          "control": "select",
          "options": [
            "5",
            "12",
            "24"
          ],
          "description": "Nominal coil voltage (V)"
        },
        {
          "name": "coil_resistance",
          "type": "number",
          "defaultValue": 70,
          "control": "text",
          "description": "Coil resistance (Ω)"
        },
        {
          "name": "include_flyback",
          "type": "boolean",
          "defaultValue": true,
          "control": "boolean",
          "description": "Integrated flyback diode across coil"
        }
      ],
      "defaultValues": {
        "coil_voltage": 5,
        "coil_resistance": 70,
        "include_flyback": true
      },
      "pinCount": 5,
      "tags": [
        "relay",
        "electromechanical",
        "switch",
        "spdt",
        "coil",
        "contact"
      ]
    },
    {
      "id": "photodiode",
      "tagName": "wokwi-photodiode",
      "name": "Photodiode",
      "category": "sensors",
      "description": "Light-sensitive diode. Reverse current proportional to illumination. Property: lux (ambient light intensity).",
      "properties": [
        {
          "name": "lux",
          "type": "number",
          "defaultValue": 500,
          "control": "number",
          "min": 0,
          "max": 100000,
          "description": "Illumination in lux"
        }
      ],
      "defaultValues": {
        "lux": 500
      },
      "pinCount": 2,
      "tags": [
        "photodiode",
        "sensor",
        "light",
        "optical",
        "analog"
      ]
    },
    {
      "id": "power-supply",
      "tagName": "wokwi-signal-generator",
      "name": "Regulated Power Supply",
      "category": "analog",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\">\n      <rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n      <rect x=\"10\" y=\"14\" width=\"44\" height=\"30\" fill=\"#2a3548\" rx=\"3\" stroke=\"#4a5878\"/>\n      <text x=\"32\" y=\"30\" text-anchor=\"middle\" font-size=\"9\" font-family=\"monospace\" fill=\"#4ade80\" font-weight=\"bold\">5.00V</text>\n      <text x=\"32\" y=\"40\" text-anchor=\"middle\" font-size=\"7\" font-family=\"monospace\" fill=\"#fbbf24\">1.00A</text>\n      <circle cx=\"18\" cy=\"52\" r=\"3\" fill=\"#dc2626\"/>\n      <circle cx=\"46\" cy=\"52\" r=\"3\" fill=\"#0f172a\" stroke=\"#64748b\"/>\n      <text x=\"32\" y=\"60\" text-anchor=\"middle\" font-size=\"6\" fill=\"#9d9d9d\">PSU</text>\n    </svg>",
      "description": "Bench DC/AC power supply with optional current limit. DC mode for fixed rails (5V, 12V, etc.); AC mode for sine sources. Visually shares the signal-generator chassis so no new Web Component is needed. The current limit is enforced by the circuit verifier — if any load pulls more than the configured amperage, Run is blocked with a 'source-overload' warning, mimicking a real bench supply's foldback behavior.",
      "properties": [
        {
          "name": "mode",
          "type": "string",
          "defaultValue": "dc",
          "control": "select",
          "options": [
            "dc",
            "ac"
          ],
          "description": "DC for fixed rails, AC for sine waveform output"
        },
        {
          "name": "voltage",
          "type": "number",
          "defaultValue": 5,
          "control": "text",
          "description": "Output voltage in V (DC mode) or peak amplitude (AC mode)"
        },
        {
          "name": "frequency",
          "type": "number",
          "defaultValue": 50,
          "control": "text",
          "description": "Frequency in Hz (AC mode only)"
        },
        {
          "name": "currentLimit",
          "type": "number",
          "defaultValue": 1,
          "control": "text",
          "description": "Maximum sourced current in A. The verifier warns when exceeded."
        }
      ],
      "defaultValues": {
        "mode": "dc",
        "voltage": 5,
        "frequency": 50,
        "currentLimit": 1
      },
      "pinCount": 2,
      "tags": [
        "power-supply",
        "regulated",
        "source",
        "psu",
        "bench",
        "lab",
        "dc",
        "ac",
        "analog"
      ]
    },
    {
      "id": "signal-generator",
      "tagName": "wokwi-signal-generator",
      "name": "Signal Generator",
      "category": "analog",
      "description": "Benchtop AC/DC signal source. Sine, square, or DC output. Configurable frequency, amplitude, DC offset.",
      "properties": [
        {
          "name": "waveform",
          "type": "string",
          "defaultValue": "sine",
          "control": "select",
          "options": [
            "sine",
            "square",
            "dc"
          ]
        },
        {
          "name": "frequency",
          "type": "number",
          "defaultValue": 1000,
          "control": "text",
          "description": "Frequency in Hz (ignored for DC)"
        },
        {
          "name": "amplitude",
          "type": "number",
          "defaultValue": 1,
          "control": "text",
          "description": "Peak amplitude in V (ignored for DC)"
        },
        {
          "name": "offset",
          "type": "number",
          "defaultValue": 0,
          "control": "text",
          "description": "DC offset in V"
        }
      ],
      "defaultValues": {
        "waveform": "sine",
        "frequency": 1000,
        "amplitude": 1,
        "offset": 0
      },
      "pinCount": 2,
      "tags": [
        "signal-generator",
        "source",
        "ac",
        "dc",
        "function-generator",
        "analog"
      ]
    },
    {
      "id": "capacitor",
      "tagName": "wokwi-capacitor",
      "name": "Cap. ceramic (custom)",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <ellipse cx=\"32\" cy=\"30\" rx=\"14\" ry=\"9\" fill=\"#165696\"/>\n    <ellipse cx=\"28\" cy=\"26\" rx=\"5\" ry=\"3\" fill=\"#3a7cc8\" opacity=\"0.5\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">?µF</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "1u",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "1u"
      },
      "pinCount": 0,
      "tags": [
        "capacitor",
        "ceramic",
        "custom"
      ]
    },
    {
      "id": "inductor",
      "tagName": "wokwi-inductor",
      "name": "Inductor (custom)",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <path d=\"M 12 30 Q 16 18 20 30 Q 24 18 28 30 Q 32 18 36 30 Q 40 18 44 30 Q 48 18 52 30\"\n          fill=\"none\" stroke=\"#B23820\" stroke-width=\"2.5\" stroke-linecap=\"round\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">?mH</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "1m",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "1m"
      },
      "pinCount": 0,
      "tags": [
        "inductor",
        "custom"
      ]
    },
    {
      "id": "resistor-220",
      "tagName": "wokwi-resistor",
      "name": "Resistor 220 Ω",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">220 Ω</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "220",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "220"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "220ω"
      ]
    },
    {
      "id": "resistor-330",
      "tagName": "wokwi-resistor",
      "name": "Resistor 330 Ω",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FC9700\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FC9700\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">330 Ω</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "330",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "330"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "330ω"
      ]
    },
    {
      "id": "resistor-470",
      "tagName": "wokwi-resistor",
      "name": "Resistor 470 Ω",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FCF800\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#A803D6\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">470 Ω</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "470",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "470"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "470ω"
      ]
    },
    {
      "id": "resistor-1k",
      "tagName": "wokwi-resistor",
      "name": "Resistor 1 kΩ",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#000\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">1 kΩ</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "1000",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "1000"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "1kω"
      ]
    },
    {
      "id": "resistor-2k2",
      "tagName": "wokwi-resistor",
      "name": "Resistor 2.2 kΩ",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">2.2 kΩ</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "2200",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "2200"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "2.2kω"
      ]
    },
    {
      "id": "resistor-4k7",
      "tagName": "wokwi-resistor",
      "name": "Resistor 4.7 kΩ",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FCF800\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#A803D6\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">4.7 kΩ</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "4700",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "4700"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "4.7kω"
      ]
    },
    {
      "id": "resistor-10k",
      "tagName": "wokwi-resistor",
      "name": "Resistor 10 kΩ",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#000\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FC9700\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">10 kΩ</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "10000",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "10000"
      },
      "pinCount": 0,
      "tags": [
        "resistor",
        "preset",
        "10kω"
      ]
    },
    {
      "id": "resistor-22k",
      "tagName": "wokwi-resistor",
      "name": "Resistor 22 kΩ",
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      "tagName": "velxio-capacitor-electrolytic",
      "name": "Electrolytic 470 µF",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"20\" y=\"40\" width=\"2.5\" height=\"9\" fill=\"#aaa\"/>\n    <rect x=\"40\" y=\"40\" width=\"2.5\" height=\"9\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"10\" width=\"36\" height=\"32\" rx=\"2\" fill=\"#1f3b6b\"/>\n    <ellipse cx=\"32\" cy=\"10\" rx=\"18\" ry=\"3\" fill=\"#2a4d8a\"/>\n    <rect x=\"38\" y=\"10\" width=\"12\" height=\"32\" rx=\"2\" fill=\"#dfe3ec\"/>\n    <text x=\"44\" y=\"22\" text-anchor=\"middle\" font-size=\"10\" font-weight=\"bold\" fill=\"#1f3b6b\">−</text>\n    <text x=\"44\" y=\"34\" text-anchor=\"middle\" font-size=\"10\" font-weight=\"bold\" fill=\"#1f3b6b\">−</text>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">470 µF</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "470u",
          "control": "text"
        },
        {
          "name": "voltage",
          "type": "string",
          "control": "select",
          "options": [
            "6.3",
            "10",
            "16",
            "25",
            "35",
            "50",
            "63",
            "100",
            "200",
            "400"
          ],
          "defaultValue": "25"
        }
      ],
      "defaultValues": {
        "value": "470u",
        "voltage": "25"
      },
      "pinCount": 0,
      "tags": [
        "capacitor",
        "electrolytic",
        "polarized",
        "preset",
        "470µf"
      ]
    },
    {
      "id": "cap-elec-1000u",
      "tagName": "velxio-capacitor-electrolytic",
      "name": "Electrolytic 1000 µF",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"20\" y=\"40\" width=\"2.5\" height=\"9\" fill=\"#aaa\"/>\n    <rect x=\"40\" y=\"40\" width=\"2.5\" height=\"9\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"10\" width=\"36\" height=\"32\" rx=\"2\" fill=\"#1f3b6b\"/>\n    <ellipse cx=\"32\" cy=\"10\" rx=\"18\" ry=\"3\" fill=\"#2a4d8a\"/>\n    <rect x=\"38\" y=\"10\" width=\"12\" height=\"32\" rx=\"2\" fill=\"#dfe3ec\"/>\n    <text x=\"44\" y=\"22\" text-anchor=\"middle\" font-size=\"10\" font-weight=\"bold\" fill=\"#1f3b6b\">−</text>\n    <text x=\"44\" y=\"34\" text-anchor=\"middle\" font-size=\"10\" font-weight=\"bold\" fill=\"#1f3b6b\">−</text>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">1000 µF</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "1000u",
          "control": "text"
        },
        {
          "name": "voltage",
          "type": "string",
          "control": "select",
          "options": [
            "6.3",
            "10",
            "16",
            "25",
            "35",
            "50",
            "63",
            "100",
            "200",
            "400"
          ],
          "defaultValue": "25"
        }
      ],
      "defaultValues": {
        "value": "1000u",
        "voltage": "25"
      },
      "pinCount": 0,
      "tags": [
        "capacitor",
        "electrolytic",
        "polarized",
        "preset",
        "1000µf"
      ]
    },
    {
      "id": "ind-100u",
      "tagName": "wokwi-inductor",
      "name": "Inductor 100 µH",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <path d=\"M 12 30 Q 16 18 20 30 Q 24 18 28 30 Q 32 18 36 30 Q 40 18 44 30 Q 48 18 52 30\"\n          fill=\"none\" stroke=\"#B23820\" stroke-width=\"2.5\" stroke-linecap=\"round\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">100 µH</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "100u",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "100u"
      },
      "pinCount": 0,
      "tags": [
        "inductor",
        "preset",
        "100µh"
      ]
    },
    {
      "id": "ind-1m",
      "tagName": "wokwi-inductor",
      "name": "Inductor 1 mH",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <path d=\"M 12 30 Q 16 18 20 30 Q 24 18 28 30 Q 32 18 36 30 Q 40 18 44 30 Q 48 18 52 30\"\n          fill=\"none\" stroke=\"#B23820\" stroke-width=\"2.5\" stroke-linecap=\"round\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">1 mH</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "1m",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "1m"
      },
      "pinCount": 0,
      "tags": [
        "inductor",
        "preset",
        "1mh"
      ]
    },
    {
      "id": "ind-10m",
      "tagName": "wokwi-inductor",
      "name": "Inductor 10 mH",
      "category": "passive",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <path d=\"M 12 30 Q 16 18 20 30 Q 24 18 28 30 Q 32 18 36 30 Q 40 18 44 30 Q 48 18 52 30\"\n          fill=\"none\" stroke=\"#B23820\" stroke-width=\"2.5\" stroke-linecap=\"round\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">10 mH</text></svg>",
      "properties": [
        {
          "name": "value",
          "type": "string",
          "defaultValue": "10m",
          "control": "text"
        }
      ],
      "defaultValues": {
        "value": "10m"
      },
      "pinCount": 0,
      "tags": [
        "inductor",
        "preset",
        "10mh"
      ]
    },
    {
      "$comment": "ePaper / e-Ink panels — Velxio-native components. The Web Component is `velxio-epaper`; the panel size + palette is selected via the `panelKind` property. See docs/wiki/epaper-emulation.md.",
      "id": "epaper-1in54-bw",
      "tagName": "velxio-epaper",
      "name": "ePaper 1.54\" (200×200, B/W)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"4\" y=\"6\" width=\"56\" height=\"48\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"10\" y=\"12\" width=\"44\" height=\"36\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><text x=\"32\" y=\"34\" text-anchor=\"middle\" font-size=\"7\" fill=\"#5a5040\" font-family=\"monospace\">e-Paper</text><rect x=\"22\" y=\"54\" width=\"20\" height=\"6\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-1in54-bw",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 50,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-1in54-bw",
        "refreshMs": 50
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1681",
        "1.54",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-2in13-bw",
      "tagName": "velxio-epaper",
      "name": "ePaper 2.13\" (250×122, B/W)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"18\" width=\"60\" height=\"30\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"22\" width=\"52\" height=\"22\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><text x=\"32\" y=\"36\" text-anchor=\"middle\" font-size=\"6\" fill=\"#5a5040\" font-family=\"monospace\">2.13\"</text><rect x=\"24\" y=\"48\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-2in13-bw",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 50,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-2in13-bw",
        "refreshMs": 50
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1675",
        "il3897",
        "2.13",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-2in13-bwr",
      "tagName": "velxio-epaper",
      "name": "ePaper 2.13\" (250×122, B/W/Red)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"18\" width=\"60\" height=\"30\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"22\" width=\"52\" height=\"22\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><circle cx=\"15\" cy=\"32\" r=\"3\" fill=\"#c01818\"/><text x=\"38\" y=\"36\" text-anchor=\"middle\" font-size=\"6\" fill=\"#5a5040\" font-family=\"monospace\">B/W/R</text><rect x=\"24\" y=\"48\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-2in13-bwr",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 80,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-2in13-bwr",
        "refreshMs": 80
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1680",
        "tri-color",
        "red",
        "2.13",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-2in9-bw",
      "tagName": "velxio-epaper",
      "name": "ePaper 2.9\" (296×128, B/W)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"16\" width=\"60\" height=\"34\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"20\" width=\"52\" height=\"26\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><text x=\"32\" y=\"36\" text-anchor=\"middle\" font-size=\"6\" fill=\"#5a5040\" font-family=\"monospace\">2.9\"</text><rect x=\"24\" y=\"50\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-2in9-bw",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 50,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-2in9-bw",
        "refreshMs": 50
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1680",
        "2.9",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-2in9-bwr",
      "tagName": "velxio-epaper",
      "name": "ePaper 2.9\" (296×128, B/W/Red)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"16\" width=\"60\" height=\"34\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"20\" width=\"52\" height=\"26\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><circle cx=\"15\" cy=\"32\" r=\"3\" fill=\"#c01818\"/><text x=\"38\" y=\"36\" text-anchor=\"middle\" font-size=\"6\" fill=\"#5a5040\" font-family=\"monospace\">B/W/R</text><rect x=\"24\" y=\"50\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-2in9-bwr",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 80,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-2in9-bwr",
        "refreshMs": 80
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1680",
        "tri-color",
        "red",
        "2.9",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-4in2-bw",
      "tagName": "velxio-epaper",
      "name": "ePaper 4.2\" (400×300, B/W)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"6\" width=\"60\" height=\"50\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"10\" width=\"52\" height=\"38\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><text x=\"32\" y=\"32\" text-anchor=\"middle\" font-size=\"7\" fill=\"#5a5040\" font-family=\"monospace\">4.2\"</text><rect x=\"24\" y=\"56\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-4in2-bw",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 80,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-4in2-bw",
        "refreshMs": 80
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "ssd1683",
        "uc8176",
        "4.2",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-7in5-bw",
      "tagName": "velxio-epaper",
      "name": "ePaper 7.5\" (800×480, B/W)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"1\" y=\"4\" width=\"62\" height=\"54\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"5\" y=\"8\" width=\"54\" height=\"42\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><text x=\"32\" y=\"32\" text-anchor=\"middle\" font-size=\"8\" fill=\"#5a5040\" font-family=\"monospace\">7.5\"</text><rect x=\"24\" y=\"58\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-7in5-bw",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 100,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-7in5-bw",
        "refreshMs": 100
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "uc8179",
        "gd7965",
        "7.5",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "epaper-5in65-7c",
      "tagName": "velxio-epaper",
      "name": "ePaper 5.65\" (600×448, ACeP 7-colour)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect x=\"2\" y=\"6\" width=\"60\" height=\"50\" rx=\"3\" fill=\"#e8e2d4\" stroke=\"#b8aa90\"/><rect x=\"6\" y=\"10\" width=\"52\" height=\"38\" fill=\"#f4f1e8\" stroke=\"#a89a80\"/><circle cx=\"14\" cy=\"19\" r=\"3\" fill=\"#202020\"/><circle cx=\"22\" cy=\"19\" r=\"3\" fill=\"#c01010\"/><circle cx=\"30\" cy=\"19\" r=\"3\" fill=\"#20a040\"/><circle cx=\"38\" cy=\"19\" r=\"3\" fill=\"#3060c0\"/><circle cx=\"46\" cy=\"19\" r=\"3\" fill=\"#e0c830\"/><circle cx=\"54\" cy=\"19\" r=\"3\" fill=\"#e08020\"/><text x=\"32\" y=\"38\" text-anchor=\"middle\" font-size=\"6\" fill=\"#5a5040\" font-family=\"monospace\">ACeP 7</text><rect x=\"24\" y=\"56\" width=\"16\" height=\"5\" fill=\"#d49a3c\"/></svg>",
      "properties": [
        {
          "name": "panelKind",
          "type": "string",
          "defaultValue": "epaper-5in65-7c",
          "control": "text"
        },
        {
          "name": "refreshMs",
          "type": "number",
          "defaultValue": 150,
          "control": "number"
        }
      ],
      "defaultValues": {
        "panelKind": "epaper-5in65-7c",
        "refreshMs": 150
      },
      "pinCount": 8,
      "tags": [
        "epaper",
        "e-paper",
        "e-ink",
        "display",
        "uc8159c",
        "acep",
        "7-color",
        "5.65",
        "gxepd2",
        "spi"
      ]
    },
    {
      "id": "bmp280",
      "tagName": "velxio-bmp280",
      "name": "BMP280 (Pressure + Temp)",
      "category": "sensor",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" rx=\"4\" fill=\"#0d1730\"/><rect x=\"10\" y=\"8\" width=\"44\" height=\"48\" rx=\"2\" fill=\"#172952\"/><circle cx=\"16\" cy=\"15\" r=\"3\" fill=\"#9a916c\"/><circle cx=\"26\" cy=\"15\" r=\"3\" fill=\"#9a916c\"/><circle cx=\"36\" cy=\"15\" r=\"3\" fill=\"#9a916c\"/><circle cx=\"46\" cy=\"15\" r=\"3\" fill=\"#9a916c\"/><rect x=\"22\" y=\"24\" width=\"14\" height=\"10\" fill=\"#303030\"/><rect x=\"14\" y=\"38\" width=\"18\" height=\"14\" fill=\"#e0e0e0\"/><text x=\"23\" y=\"48\" text-anchor=\"middle\" font-size=\"5\" fill=\"#222\" font-family=\"monospace\" font-weight=\"bold\">BMP180</text><circle cx=\"44\" cy=\"45\" r=\"5\" fill=\"#999\"/></svg>",
      "properties": [],
      "defaultValues": {},
      "pinCount": 4,
      "tags": [
        "sensor",
        "i2c",
        "pressure",
        "temperature",
        "bmp280",
        "weather",
        "barometer"
      ]
    },
    {
      "$comment": "I2C-backpack variant of LCD1602: reuses the wokwi-lcd1602 web component but renders the 4-pin I2C header (GND/VCC/SDA/SCL) instead of the parallel 16-pin header. ProtocolParts registers the matching HD44780 + PCF8574 decoder so Arduino sketches using LiquidCrystal_I2C work out of the box.",
      "id": "lcd1602-i2c",
      "tagName": "wokwi-lcd1602",
      "name": "LCD 16x2 (I2C)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#0b1226\" rx=\"4\"/><rect x=\"6\" y=\"18\" width=\"52\" height=\"28\" rx=\"2\" fill=\"#6cb201\"/><rect x=\"10\" y=\"22\" width=\"44\" height=\"20\" fill=\"#85cb15\"/><text x=\"32\" y=\"31\" text-anchor=\"middle\" font-size=\"6\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">Hello World</text><text x=\"32\" y=\"38\" text-anchor=\"middle\" font-size=\"6\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">I2C 16x2 OK</text><rect x=\"3\" y=\"48\" width=\"58\" height=\"4\" fill=\"#222\"/><text x=\"32\" y=\"60\" text-anchor=\"middle\" font-size=\"6\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">I2C</text></svg>",
      "properties": [
        {
          "name": "i2cAddress",
          "type": "string",
          "defaultValue": "0x27",
          "control": "text",
          "description": "I2C address of the PCF8574 backpack (typical: 0x27 or 0x3F)"
        },
        {
          "name": "background",
          "type": "string",
          "defaultValue": "green",
          "control": "select",
          "options": [
            "green",
            "blue"
          ],
          "description": "LCD panel colour"
        },
        {
          "name": "color",
          "type": "string",
          "defaultValue": "black",
          "control": "text",
          "description": "Pixel colour"
        }
      ],
      "defaultValues": {
        "i2cAddress": "0x27",
        "pins": "i2c",
        "background": "green",
        "color": "black",
        "backlight": true
      },
      "pinCount": 4,
      "tags": [
        "lcd",
        "i2c",
        "display",
        "hd44780",
        "pcf8574",
        "1602",
        "liquidcrystal"
      ]
    },
    {
      "$comment": "I2C-backpack variant of LCD2004. Same PCF8574+HD44780 protocol, but 20x4 geometry and 2004 row offsets (0x00, 0x40, 0x14, 0x54).",
      "id": "lcd2004-i2c",
      "tagName": "wokwi-lcd2004",
      "name": "LCD 20x4 (I2C)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#0b1226\" rx=\"4\"/><rect x=\"4\" y=\"12\" width=\"56\" height=\"36\" rx=\"2\" fill=\"#6cb201\"/><rect x=\"8\" y=\"16\" width=\"48\" height=\"28\" fill=\"#85cb15\"/><text x=\"32\" y=\"23\" text-anchor=\"middle\" font-size=\"5\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">LCD 20 x 4 char</text><text x=\"32\" y=\"30\" text-anchor=\"middle\" font-size=\"5\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">I2C @ 0x27</text><text x=\"32\" y=\"37\" text-anchor=\"middle\" font-size=\"5\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">line three text</text><text x=\"32\" y=\"43\" text-anchor=\"middle\" font-size=\"5\" font-family=\"monospace\" fill=\"#0d0d0d\" font-weight=\"bold\">line four below</text><rect x=\"3\" y=\"50\" width=\"58\" height=\"4\" fill=\"#222\"/><text x=\"32\" y=\"61\" text-anchor=\"middle\" font-size=\"6\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">I2C</text></svg>",
      "properties": [
        {
          "name": "i2cAddress",
          "type": "string",
          "defaultValue": "0x27",
          "control": "text",
          "description": "I2C address of the PCF8574 backpack"
        }
      ],
      "defaultValues": {
        "i2cAddress": "0x27",
        "pins": "i2c",
        "background": "green",
        "color": "black",
        "backlight": true
      },
      "pinCount": 4,
      "tags": [
        "lcd",
        "i2c",
        "display",
        "hd44780",
        "pcf8574",
        "2004",
        "liquidcrystal"
      ]
    },
    {
      "$comment": "Picker shortcut for SSD1306 in I2C mode — same wokwi-ssd1306 element, but the user finds it by name without having to discover the protocol selector on the generic ssd1306 entry. Issue #101.",
      "id": "ssd1306-i2c",
      "tagName": "wokwi-ssd1306",
      "name": "SSD1306 OLED (I2C)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#0b1226\" rx=\"4\"/><rect x=\"8\" y=\"14\" width=\"48\" height=\"32\" rx=\"2\" fill=\"#000\"/><text x=\"32\" y=\"30\" text-anchor=\"middle\" font-size=\"7\" font-family=\"monospace\" fill=\"#9be1ff\" font-weight=\"bold\">SSD1306</text><text x=\"32\" y=\"40\" text-anchor=\"middle\" font-size=\"6\" font-family=\"monospace\" fill=\"#9be1ff\">I2C 0x3C</text><text x=\"32\" y=\"60\" text-anchor=\"middle\" font-size=\"7\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">SDA SCL</text></svg>",
      "properties": [
        {
          "name": "imageData",
          "type": "string",
          "control": "text"
        }
      ],
      "defaultValues": {
        "protocol": "i2c"
      },
      "pinCount": 4,
      "tags": [
        "ssd1306",
        "oled",
        "display",
        "i2c",
        "0x3c"
      ]
    },
    {
      "$comment": "Picker shortcut for SSD1306 in SPI mode — counterpart to ssd1306-i2c.",
      "id": "ssd1306-spi",
      "tagName": "wokwi-ssd1306",
      "name": "SSD1306 OLED (SPI)",
      "category": "displays",
      "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#0b1226\" rx=\"4\"/><rect x=\"8\" y=\"14\" width=\"48\" height=\"32\" rx=\"2\" fill=\"#000\"/><text x=\"32\" y=\"30\" text-anchor=\"middle\" font-size=\"7\" font-family=\"monospace\" fill=\"#9be1ff\" font-weight=\"bold\">SSD1306</text><text x=\"32\" y=\"40\" text-anchor=\"middle\" font-size=\"6\" font-family=\"monospace\" fill=\"#9be1ff\">SPI mode</text><text x=\"32\" y=\"60\" text-anchor=\"middle\" font-size=\"6\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">MOSI/SCK/DC</text></svg>",
      "properties": [
        {
          "name": "imageData",
          "type": "string",
          "control": "text"
        }
      ],
      "defaultValues": {
        "protocol": "spi"
      },
      "pinCount": 7,
      "tags": [
        "ssd1306",
        "oled",
        "display",
        "spi"
      ]
    }
  ],
  "led": {
    "properties": {
      "color": {
        "control": "select",
        "options": [
          "red",
          "green",
          "blue",
          "yellow",
          "orange",
          "white",
          "purple"
        ]
      }
    }
  },
  "ssd1306": {
    "properties": {
      "protocol": {
        "name": "protocol",
        "type": "string",
        "defaultValue": "i2c",
        "control": "select",
        "description": "Communication protocol",
        "options": [
          "i2c",
          "spi"
        ]
      }
    },
    "defaultValues": {
      "protocol": "i2c"
    }
  },
  "resistor": {
    "name": "Resistor (custom)",
    "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <rect x=\"14\" y=\"22\" width=\"36\" height=\"17\" rx=\"3\" fill=\"#d5b597\" stroke=\"#a37b4f\" stroke-width=\"0.6\"/>\n    <rect x=\"20\" y=\"22\" width=\"3\" height=\"17\" fill=\"#8F4814\"/>\n    <rect x=\"26\" y=\"22\" width=\"3\" height=\"17\" fill=\"#000\"/>\n    <rect x=\"32\" y=\"22\" width=\"3\" height=\"17\" fill=\"#FB0000\"/>\n    <rect x=\"42\" y=\"22\" width=\"3\" height=\"17\" fill=\"#F1D863\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">?Ω</text></svg>"
  },
  "capacitor": {
    "name": "Cap. ceramic (custom)",
    "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <ellipse cx=\"32\" cy=\"30\" rx=\"14\" ry=\"9\" fill=\"#165696\"/>\n    <ellipse cx=\"28\" cy=\"26\" rx=\"5\" ry=\"3\" fill=\"#3a7cc8\" opacity=\"0.5\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">?µF</text></svg>"
  },
  "inductor": {
    "name": "Inductor (custom)",
    "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"6\" y=\"29\" width=\"52\" height=\"3\" fill=\"#aaa\"/>\n    <path d=\"M 12 30 Q 16 18 20 30 Q 24 18 28 30 Q 32 18 36 30 Q 40 18 44 30 Q 48 18 52 30\"\n          fill=\"none\" stroke=\"#B23820\" stroke-width=\"2.5\" stroke-linecap=\"round\"/>\n    <text x=\"32\" y=\"56\" text-anchor=\"middle\" font-size=\"10\" font-family=\"sans-serif\" fill=\"#e5e7eb\" font-weight=\"bold\">?mH</text></svg>"
  },
  "ky-040": {
    "name": "KY-040 Rotary Encoder",
    "category": "input",
    "description": "KY-040 incremental rotary encoder with push-button. Turning the knob outputs quadrature pulses on CLK and DT (direction = which leads); the shaft press drives an active-low SW. Reads from any board's GPIO.",
    "tags": [
      "rotary",
      "encoder",
      "rotary encoder",
      "rotary-encoder",
      "ky-040",
      "ky040",
      "knob",
      "quadrature",
      "dial",
      "input"
    ],
    "thumbnail": "<svg width=\"64\" height=\"64\" xmlns=\"http://www.w3.org/2000/svg\"><rect width=\"64\" height=\"64\" fill=\"#1a2332\" rx=\"4\"/>\n    <rect x=\"12\" y=\"38\" width=\"40\" height=\"18\" rx=\"2\" fill=\"#1f6f43\" stroke=\"#2d8f5a\" stroke-width=\"0.6\"/>\n    <rect x=\"17\" y=\"54\" width=\"2.5\" height=\"6\" fill=\"#d8b24a\"/>\n    <rect x=\"24\" y=\"54\" width=\"2.5\" height=\"6\" fill=\"#d8b24a\"/>\n    <rect x=\"31\" y=\"54\" width=\"2.5\" height=\"6\" fill=\"#d8b24a\"/>\n    <rect x=\"38\" y=\"54\" width=\"2.5\" height=\"6\" fill=\"#d8b24a\"/>\n    <rect x=\"45\" y=\"54\" width=\"2.5\" height=\"6\" fill=\"#d8b24a\"/>\n    <circle cx=\"32\" cy=\"24\" r=\"15\" fill=\"#9aa3ad\" stroke=\"#6b7280\" stroke-width=\"1\"/>\n    <circle cx=\"32\" cy=\"24\" r=\"10\" fill=\"#c7cdd4\"/>\n    <rect x=\"31\" y=\"11\" width=\"2\" height=\"8\" rx=\"1\" fill=\"#475569\"/>\n    <path d=\"M 45 14 A 16 16 0 0 1 49 27\" fill=\"none\" stroke=\"#4ade80\" stroke-width=\"2\" stroke-linecap=\"round\"/>\n    <path d=\"M 49 27 l -4 -1 l 2 -4 z\" fill=\"#4ade80\"/></svg>"
  }
}