Open-source boards designed in KiCad by CrashBangProto on GitHub, from 6 repositories. A board’s address here is its repository’s there.
CrashBangProto/Toadstool-Mega328
The Toadstool family is made up of breadboard-friendly prototyping boards that house a microcontroller, and modules called Caps that connect using a standard header.
CrashBangProto/CAP_Accel-ADXL343
Toadstool CAP - ADXL343 Accelerometer
CrashBangProto/Toadstool-MSPg2553
The Toadstool family is made up of breadboard-friendly prototyping boards that house a microcontroller, and modules called Caps that connect using a standard header.