DIY Magnet Sensor

Here I show you how to make a simple magnet sensor by yourself.There are just a few things needed. Materiallist & Schematics What you need:Power Source ( USB TTL Module 3,3V out)Jumper WireBreadboardReed SwitchLEDPlug all together as shown on schematics and grab a magnet.Put it right over the swi...

By: bastelking



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from Instructables: exploring - technology http://ift.tt/12rowQ4