2 layers25.5 × 25 mm

Microcharge2
4f48/microcharge
Small Li-Ion battery management development board with charging and protection, 3.3V output.
30 parts1CERN-OHL-S-2.0
Open-source boards designed in KiCad by 4f48 on GitHub, from 6 repositories. A board’s address here is its repository’s there.

4f48/microcharge
Small Li-Ion battery management development board with charging and protection, 3.3V output.

4f48/battery-pico
A battery charger add-on board for all Raspberry Pi Pico development boards.



4f48/quill-stm32h5
Feather-compatible high-performance microcontroller board based on ST's all new STM32H5 family of chips.

4f48/quill-stm32wl
An Adafruit Feather-sized STM32 development board with integrated 868 MHz LoRa radio.