Arduino EMF Detector

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Published 17 Dec 2009
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Use an Arduino microcontroller to sense invisible electromagnetic fields using wire, a resistor, and an LED...
Use an Arduino microcontroller to sense invisible electromagnetic fields using wire, a resistor, and an LED.
  
Aaron ALAI's EMF detector project is awesomely simple to make and fun to use.  An upgraded version can be built using an LED bargraph for more 'meter-like' functionality.

original project can be found here -
http://www.aaronalai.com/emf-detector

additional info, and Arduino sketch -
http://blog.makezine.com/archive/2009/05/making_the_arduino_emf_detector.html

audio/video by Collin Cunningham
Categories: Science & Tech
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