Open-source boards designed in KiCad by nulllaborg on GitHub, from 4 repositories. A board’s address here is its repository’s there.
nulllaborg/FR8003A_BLE5.1
FR8003A BLE5.1 demo board
nulllaborg/CH5xxDuino
base ch552 dap-nano
nulllaborg/ph2.0_sensors
nulllaborg/TC78H660FTG
单PWM驱动芯片,替代TB6612的电机驱动模块,