Customized base board for Raspberry Pi Compute module CM4. Includes dc Power supplycfor up to 60V input voltage, 3 isolated CAN busses, 1 isolated RS485, beeper, .... #raspberrypi4 #computemodule4 #raspberryproject #electronicprojects #electronicdevelopment #electronicdevice #pcbdesign #pcbprototype #canbus #rs485 #modbus #raspberrypi #raspberrycm4