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I was trying to think of a quick toy I could build for my kids. I came up with this idea of an ultrasonic range finder, an Arduino, and a speaker. B...
1. Arduino 2. Range Sensor (I used a Parallax Ping))) that I picked up a Defcon a couple of years ago, anything like this would work as well http://w...
The Schematic is pretty simple. Speaker to Arduino pin 11 and ground. Ultrasonic range finder to power, ground, and Arduino pin 7
The code is pretty simple. I just combined the Ping demo and the Tone demo that come with the Arduino UI. I did it a couple of different ways. You ...
There are many ways you can "play" this organ. You can step in front of it. Put your hand or other object in front of it. Or, like my kids, just fla...
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