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How to pilot your roomba using an Arduino
Connect the Roomba RX wire to Arduino pin 0 (RX) and Roomba TX to Arduino pin 1 (TX).
To power the Arduino, you’ll need to convert the 20 volts from Roomba to 5 volts using a 7805 5V voltage regulator (see theses instructions).
I used that library to program the arduino, you can find a basic program on github.
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