The worst thing about a volume knob is that, having connected it to a computer, it might be wrong: if you’ve manually altered the volume settings somewhere else, the knob’s reading ...
[Get the Kit here] (http://www.dfrobot.com/index.php?route=product/product&product_id=345&search=dfr0100&description=true#.VxTBlvmqqAw) ...
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