Generate Wokwi diagram with Fibonacci LED pattern

wokwi-fibo256-generator.js

// Sample output: https://wokwi.com/arduino/projects/287356481917944333

const size = 256;
const center = [150, 150];
const c = 16;

const data = {
  version: 1,
  author: 'Uri Shaked',
  editor: 'wokwi',
  parts: [
    {
      id: 'uno',
      type: 'wokwi-arduino-nano',
      top: 440,
      left: 20,
    },
  ],
  connections: [
    ['uno:GND.1', 'p1:VSS', '', []],
    ['uno:3', 'p1:DIN', '', []],
    ['uno:5V', 'p1:VDD', '', []],
  ],
};

for (let n = 1; n <= size; n++) {
  const r = c * Math.sqrt(n);
  const theta = ((n * 137.508) / 180) * Math.PI;
  const x = center[0] + r * Math.cos(theta);
  const y = center[1] + r * Math.sin(theta);
  data.parts.push({
    id: `p${n}`,
    type: 'wokwi-neopixel',
    top: parseFloat(y.toFixed(1)),
    left: parseFloat(x.toFixed(1)),
  });
  data.connections.push([`p${n}:DOUT`, `p${n + 1}:DIN`, '', []]);
}

console.log(JSON.stringify(data, null, 2));