Quantity   Component name
1 × ESP32 <a target="_blank" rel="noopener noreferrer" href="https://www.pjrc.com/store/octo28_adaptor.html">https://www.pjrc.com/store/octo28_adaptor.html</a>
200 × WS2812B LEDs Switches and Relays / Electromechanical Relays
20 × Custom PCBs <a target="_blank" rel="noopener noreferrer" href="https://www.adafruit.com/product/1138?length=4">https://www.adafruit.com/product/1138?length=4</a>