“Hello, is it possible to connect directly the rainbowduino on a serial port to program it?
With RX TX DTR and GND pin ?”
yes, TTL Serial port works well with Rainbowduino.
For mtxcontrol, would you please tell me how to connect it?
BTW, Arduino 328 can upload sketch to Rainbowduino:
rngtng.com/2009/06/25/rainbo … rogram-it/
thanks
Albert