4 layers25.4 × 62.7 mm

Open-source boards designed in KiCad by Fred98246 on GitHub, from 3 repositories. A board’s address here is its repository’s there.


Fred98246/STM32-Environmental-Sensor-and-Datalogging-Board
An open-source STM32F103C8T6 development board designed for environmental monitoring, featuring integrated Li-Ion battery management, USB-C, MicroSD data logging, and onboard I2C sensors for temperature, humidity, and…

Fred98246/STM-32-PCB-Design
Custom STM32F103C8T6 development board