hey all, we have a use-case for Arduino, where we have to avoid the auto-reset feature of the Diecimila boards. It's because the Arduino is already running, controlling startup und shutdown of the host PC. This is no problem with the NG boards, but with the Diecimila, the status of the Arduino is …

disable auto-reset by serial connection

system November 20, 2008, 8:58am 11

Also with just the right sized resistor as a jumper it is possible to prevent serial resets:

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