Save for the Arduino Nano, it requires pretty basic electronic components you might already have on hand, including three different colored LEDs (green, orange, and red), a 10k-ohm resistor, and a ...

All components presented in this project and PCBA service are sponsored by SeeedStudio, except for optional components – Arduino Nano and 20 x 4 LCD Screen.” Source: Seeed ...

The components required for this project are minimal: an Arduino, a 1.28″ round GC9A01-driven TFT LCD, a handful of jumper wires, and a few buttons.