This instructable is for connecting your Arduino to a 2 Channel relay module and using your sketch to control the switches.I bought the 2 Relay Module on eBay (for $9.50) to drive a couple of 240V parts (a vacuum cleaner and a rotary engraving tool) that I'm using with my CNC Etching mill (still und...
By: baelza.bubba
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from Instructables: exploring - technology - robots http://ift.tt/1LSd3Nj
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