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yeah that's what I thought. I don't _think_ I shorted anything in the process but I might have. I'm not too worried about it though - I can still power this mini from usb, and I have several other mini's I can use with battery power.
so, trying to do steps 8-9, I had the transmitting arduino running off a 9 volt battery, and the receiving arduino powered by computer. I was getting annoyed by the sound coming from the pizo speaker so I unplugged it (while everything was running). The light on the arduino went out and I thought I smelled a whif of magic smoke. Now my arduino will only run off computer power. Does that mean I fried the regulator? Does anyone know if it's worth trying to fix it?
or perhaps it was an Id10T error - I think I hooked it up wrong. Working now.
My meter reads 0 ohms from the VCC pin to any of the GND pins
My pro mini has a power to ground short. Unfortunately I didn't test for this before I soldered the pins on, so I can't be positive that I didn't cause it, but I sure can't see any bridging anywhere on the board. I even cleaned the board with flux wash and inspected under a magnifying glass.
Great idea - I might do something similar. I'm gonna add the VU meter though so it will look straight out of the 80's
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