4 layers87.9 × 23 mmP4gpiotannewt/p4gpioMinimal P4 dev board to bring out almost all GPIO (48 of 55)94 parts3
2 layers30.5 × 17.8 mmStemmaG0tannewt/StemmaG0Programmable Stemma QT board with STM32G0 board!23 parts
2 layers60 × 60 mmFeather Trellistannewt/Trellis_FeatherWingPlug in Feathers and FeatherWings into Trellis20 parts