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Like many shacks, mine has a number of different audio sources. When you're trying to pick a signal out of the noise, or even just trying to sort out which computer made the "ding" sometimes it can be challenging. My solution to this problem involved some VU meters, an Arduino Uno, and a relay board. This one is easiest to describe by just showing you, so check it out:
The code that runs on the Arduino to do this is still a work in progress, but if you'd like to grab a copy or dabble, you can snag it from one of my github repositories. (More on this later - but I just started a github to enable sharing all the technical details about the shack!)
The parts I used are below. Clicking them will take you to Amazon so you can snag them for yourself:
The parts I used are below. Clicking them will take you to Amazon so you can snag them for yourself:
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​Enjoy!
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