diff --git a/frontend/src/data/examples-100-days.ts b/frontend/src/data/examples-100-days.ts
index 2a9d2505..7fdc5384 100644
--- a/frontend/src/data/examples-100-days.ts
+++ b/frontend/src/data/examples-100-days.ts
@@ -2288,10 +2288,10 @@ class SSD1306_SPI(SSD1306):
     ],
     wires: [
       // OLED I2C — SDA = GPIO21, SCL = GPIO22 (matches SoftI2C in code)
-      { id: 'w-oled-vcc', start: { componentId: 'esp32', pinName: '3V3' },   end: { componentId: 'oled1', pinName: 'VCC' }, color: '#ff4444' },
+      { id: 'w-oled-vcc', start: { componentId: 'esp32', pinName: '3V3' },   end: { componentId: 'oled1', pinName: 'VIN' }, color: '#ff4444' },
       { id: 'w-oled-gnd', start: { componentId: 'esp32', pinName: 'GND.1' }, end: { componentId: 'oled1', pinName: 'GND' }, color: '#000000' },
-      { id: 'w-oled-sda', start: { componentId: 'esp32', pinName: '21' },    end: { componentId: 'oled1', pinName: 'SDA' }, color: '#22aaff' },
-      { id: 'w-oled-scl', start: { componentId: 'esp32', pinName: '22' },    end: { componentId: 'oled1', pinName: 'SCL' }, color: '#ff8800' },
+      { id: 'w-oled-sda', start: { componentId: 'esp32', pinName: '21' },    end: { componentId: 'oled1', pinName: 'DATA' }, color: '#22aaff' },
+      { id: 'w-oled-scl', start: { componentId: 'esp32', pinName: '22' },    end: { componentId: 'oled1', pinName: 'CLK' }, color: '#ff8800' },
       // Buttons — HIGH-when-pressed (one side to 3V3, other to GPIO). Code
       // reads pin.value() == 1 on press, so they sit between 3.3V and the
       // input pin. Add Pin.PULL_DOWN in MicroPython if the pin floats.
diff --git a/frontend/src/data/examples-robot-desktop.ts b/frontend/src/data/examples-robot-desktop.ts
index b23b1002..51da8814 100644
--- a/frontend/src/data/examples-robot-desktop.ts
+++ b/frontend/src/data/examples-robot-desktop.ts
@@ -122,7 +122,7 @@ export const robotDesktopExamples: ExampleProject[] = [
       // off the ESP32. The two servos run off 3V3 too because the
       // simulator doesn't model the brown-out a real SG90 would
       // cause — on real hardware they'd need an external 5V.
-      w('p-oled-vcc', ['esp32', '3V3'], ['oled', 'VCC'], '#ff0000'),
+      w('p-oled-vcc', ['esp32', '3V3'], ['oled', 'VIN'], '#ff0000'),
       w('p-oled-gnd', ['oled', 'GND'], ['esp32', 'GND'], '#000000'),
       w('p-dht-vcc',  ['esp32', '3V3'], ['dht', 'VCC'], '#ff0000'),
       w('p-dht-gnd',  ['dht', 'GND'], ['esp32', 'GND'], '#000000'),
@@ -140,13 +140,13 @@ export const robotDesktopExamples: ExampleProject[] = [
       // ── I²C bus: OLED on the ESP32's default I²C (SDA=21, SCL=22).
       // U8G2_SSD1306_128X64_NONAME_F_HW_I2C in the sketch uses
       // Wire.begin() which defaults to these pins.
-      w('i2c-sda', ['esp32', '21'], ['oled', 'SDA'], '#ffd000'),
-      w('i2c-scl', ['esp32', '22'], ['oled', 'SCL'], '#00d0ff'),
+      w('i2c-sda', ['esp32', '21'], ['oled', 'DATA'], '#ffd000'),
+      w('i2c-scl', ['esp32', '22'], ['oled', 'CLK'], '#00d0ff'),
 
       // ── Sensor signal lines, matching Common.h's #define block.
       w('s-dht', ['dht', 'SDA'], ['esp32', '15'], '#00ffaa'),
       w('s-pir', ['pir', 'OUT'], ['esp32', '4'],  '#ff00ff'),
-      w('s-snd', ['sound', 'OUT'], ['esp32', '2'],  '#ffaa00'),
+      w('s-snd', ['sound', 'DOUT'], ['esp32', '2'],  '#ffaa00'),
       w('s-ldr', ['ldr', 'AO'], ['esp32', '34'], '#aaff00'),
 
       // ── Servo signal lines (PWM via LEDC on the ESP32).