Virtual Arduino serial comms


While working on Telemetry Viewer, see Java grapher for Arduino serial monitor, as I didn’t have a working Arduino, I wondered if I could fake some incoming serial comms so that it appeared that there was an Arduino connected which was sending sensor data.

I mean, how hard can it be? Surely using the UNIX underbelly of OS X, with a couple of redirections and pipes, it must be easy, right? Well, no, not so easy…

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