2 layers58 × 60 mmHackpadpatriq128/ZiDi_HackpadSmall hackpad with 6 keys, Oled display, Rotary Encoder15 parts2MIT
2 layers29.7 × 17 mmMyTinny PCBpatriq128/MyTtinyMy own development board based on the chip ATtiny3217.19 partsMIT