I'm using my computer (via the only RS232 hookup on the arduino) to program and debug the code, and my arduino only has one serial port. Therefore, I decided to ... ... <看更多>

Now I also want to be able to read the meter via the Arduino. I've bought a RS232 to TTL Converter (MAX3232). I get either very weird characters ... ... <看更多>

This allows the Modela to mill PCBs under the control of the Arduino, including the PCB for the interface circuit itself. So you breadboard it and get it ... ... <看更多>