Quantity   Component name
1 × Toit An account at toit.io
1 × ESP32 board Any Toit supported board
1 × A BLE device https://www.mi.com/in/mi-band-3/
1 × WS2812B LED strip https://www.adafruit.com/product/2562
1 × Breadboard, micro-USB cable and connecting wires To satisfy the power need of the WS2812B LED strip, an external power supply might be needed.