diff --git a/frontend/src/__tests__/examples-pico-doom.test.ts b/frontend/src/__tests__/examples-pico-doom.test.ts
index ea67a671..9fd78f23 100644
--- a/frontend/src/__tests__/examples-pico-doom.test.ts
+++ b/frontend/src/__tests__/examples-pico-doom.test.ts
@@ -71,18 +71,25 @@ describe('pico-doom-raycaster example', () => {
     expect(offenders).toEqual([]);
   });
 
-  it('SPI wires connect the Pico GP18/GP19/GP17/GP20/GP21/GP22 to the ILI9341 pins the sketch expects', () => {
+  it('SPI + control + power wires connect Pico → ILI9341 with the pinout the sketch + hardware expect', () => {
     const e = findExample()!;
-    // (pico-pin, ili9341-pin) pairs the sketch hard-codes. If any of these
-    // get re-routed in the example, the sketch's #define block has to
-    // match — fail loud here so the mismatch can't slip into prod.
+    // (pico-pin, ili9341-pin) pairs. Everything except GP16↔MISO comes
+    // from the sketch's #define block. GP16↔MISO is hardware SPI0's
+    // MISO line — the 3-arg Adafruit_ILI9341(CS, DC, RST) constructor
+    // selects hardware SPI0, so this pin is fixed even though the
+    // driver never reads back. If any pair gets re-routed in the
+    // example, the sketch + this list have to move together — fail
+    // loud here so the mismatch can't slip into prod.
     const expected: Array<[string, string]> = [
-      ['GP18', 'SCK'],
-      ['GP19', 'MOSI'],
-      ['GP17', 'CS'],
-      ['GP20', 'D/C'],
-      ['GP21', 'RST'],
-      ['GP22', 'LED'],
+      ['3V3',   'VCC'],
+      ['GND.5', 'GND'],
+      ['GP18',  'SCK'],
+      ['GP19',  'MOSI'],
+      ['GP16',  'MISO'],
+      ['GP17',  'CS'],
+      ['GP20',  'D/C'],
+      ['GP21',  'RST'],
+      ['GP22',  'LED'],
     ];
     for (const [picoPin, tftPin] of expected) {
       const match = e.wires.find(
diff --git a/frontend/src/data/examples.ts b/frontend/src/data/examples.ts
index 6496f260..914ef626 100644
--- a/frontend/src/data/examples.ts
+++ b/frontend/src/data/examples.ts
@@ -956,9 +956,17 @@ void loop() {
       { type: 'wokwi-pushbutton', id: 'btn-right', x: 310, y: 470, properties: { color: 'green', label: 'RIGHT' } },
     ],
     wires: [
-      // SPI bus + control lines to the ILI9341
+      // Power
+      { id: 'w-tft-vcc',  start: { componentId: 'raspberry-pi-pico', pinName: '3V3'   }, end: { componentId: 'tft1', pinName: 'VCC'  }, color: '#ff0000' },
+      { id: 'w-tft-gnd',  start: { componentId: 'raspberry-pi-pico', pinName: 'GND.5' }, end: { componentId: 'tft1', pinName: 'GND'  }, color: '#000000' },
+      // SPI bus + control lines to the ILI9341. MISO is GP16 — the
+      // sketch's 3-arg Adafruit_ILI9341(CS, DC, RST) constructor uses
+      // hardware SPI0, whose MISO pin is GP16. The driver writes only
+      // (no register reads), so MISO is electrically idle, but the
+      // wire is included so the circuit is didactically complete.
       { id: 'w-tft-sck',  start: { componentId: 'raspberry-pi-pico', pinName: 'GP18' }, end: { componentId: 'tft1', pinName: 'SCK'  }, color: '#ff8800' },
       { id: 'w-tft-mosi', start: { componentId: 'raspberry-pi-pico', pinName: 'GP19' }, end: { componentId: 'tft1', pinName: 'MOSI' }, color: '#ff8800' },
+      { id: 'w-tft-miso', start: { componentId: 'raspberry-pi-pico', pinName: 'GP16' }, end: { componentId: 'tft1', pinName: 'MISO' }, color: '#ffaa44' },
       { id: 'w-tft-cs',   start: { componentId: 'raspberry-pi-pico', pinName: 'GP17' }, end: { componentId: 'tft1', pinName: 'CS'   }, color: '#00aaff' },
       { id: 'w-tft-dc',   start: { componentId: 'raspberry-pi-pico', pinName: 'GP20' }, end: { componentId: 'tft1', pinName: 'D/C'  }, color: '#00cc00' },
       { id: 'w-tft-rst',  start: { componentId: 'raspberry-pi-pico', pinName: 'GP21' }, end: { componentId: 'tft1', pinName: 'RST'  }, color: '#cc0000' },