Turn on music as soon as you walk into a room! This tutorial covers a minimalistic entrance sensor that triggers music of your choice. The design can easily be adapted to suit a variety of needs (e.g. alarm system, motion-triggered lights, etc.). The system is controlled by a Raspberry Pi, and aside...
By: jenfoxbot
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from Instructables: exploring - technology - robots http://ift.tt/1dsLVpf
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