I am seriously considering putting a car PC in my 95 E320, for the monitor to fit, I need to remove the climate controlunit, which is set up to be all electronic, controlling vacuum components. I figure I can do the buttons with phidgets, but I need a way to set fan speed and temperature. Currently it has three fan speed options, low, auto and hi; I just want it to be variable, seems easy enough. And the temp. know is just a potentiometer. so basically my question is what can I use to have computer controlled pots.? also, how hard is it to program phidgets and the like? I have read through the other CC threads, but most people seem to need servos and relays, I haven't seen any mention of potentiometers, although it seems easy enough.
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