2 layers38 × 151.9 mm

Ruller battery
rapha-tech/ESP-32-ruler
PCB ruler featuring an ESP-32 module, push-buttons and an OLED screen
56 parts
KiCad boards from 1 GitHub repository tagged “tetris”, the most starred first; open any of them in PCBKit.

rapha-tech/ESP-32-ruler
PCB ruler featuring an ESP-32 module, push-buttons and an OLED screen