2 layers18 × 33.2 mm

Arduino pro mini
etimou/arduino-pro-mini-kicad
This is a clone of the well known arduino board "pro-mini" designed in kicad while the original was designed in eagle. Ref https://store.arduino.cc/arduino-pro-mini
23 parts69
Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.

etimou/arduino-pro-mini-kicad
This is a clone of the well known arduino board "pro-mini" designed in kicad while the original was designed in eagle. Ref https://store.arduino.cc/arduino-pro-mini

etimou/Arduino-RF-Pro-Mini
Arduino Pro Mini + nRF24L01P = Arduino-RF-Pro-Mini


etimou/usbToSerial
USB to Serial (TTL) board with an ATMEGA328p (can be used for arduino programming)