Build a smart “Clapper” with SmartThings and Arduino

When my colleague @thegibertchan first set up his homemade "Clapper" in our office, I knew immediately that I had to learn how it was made. The way it works is simple. A small microphone listens to two claps (within four seconds of each other) and it triggers a switch to turn on or off. Gilbert even simplified the code so it uses the built-in LED in the our SmartThings Arduino Shield. I will try to explain ...

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