Connect Melzi V2 to Raspberry Pi gPIO
How to Hardware First, connect the Raspberry Pi to the Melzi board using GPIO pins. Use RX and TX pins from Raspberry Pi to TX and RX pins from Melzi board. In my case I used the pins 14 and 15, TX and RX respectively. Check pinout.xyz or run the command pinout in your Raspberry Pi terminal to check the pins. Don’t forget to connect the ground pin from Raspberry Pi to the ground pin from Melzi board. In my case I used the pin 9. ...