Microscopic card based on the ATMega32U4.
Practically indestructible nano-compatible card with protective functiuons borrowed from the Ruggeduino series.
Status: Functional
Compatible with the pi pico but including serious protective measures like the Ruggeduino series.
Status: Functional
ESP32-C3 WROOM FlexyPin programmer
Convenient way to program ESP32-C3-WROOM modules
Status: Functional
Cypri
Uno-like card which can source up to 2A on some pins as well as read its current consumption.
Status: not functional
Epi 2040
Microscopic card based on the RP2040.
Status: in development
Hammar
Compact and cheap 3D printer control board.
Status: not functional
Genna
ATMega32U4-based card which fits in a USB port.
Status: not functional