Edit: DTR actually wasn't being set low like it's supposed to be when the connection is closed. I fixed it by setting the baud rate to 0 (this also causes DTR to go low) on the connection before closing it. I'm working on a robot for a competition, we have an Arduino Mega 1280 connected to a small …

Arduino Mega not resetting via serial [solved]

Projects Interfacing w/ Software on the Computer

retrolefty September 28, 2012, 12:58am 2

Well I can't help you with the Linux stuff, but the arduino board's auto-reset function is activated by having the serial port assert the 'DTR' control signal. Does your opening of a serial port perform that step?

Lefty

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Arduino Mega not resetting via serial [solved]

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