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Piezoelectric generator LED lit by rain water

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A fun experiment I did lighting an LED (Light Emitting Diode) using a piezoelectric crystal, the piezoelectric effect and rain water. The piezoelectric crystal was a disk type taken from a gift card which used piezoelectricity to produce sound. You can see more about that here:
http://rimstar.org/materials/piezo/piezoelectric_crystal_gift_card.htm

More about this experiment is here:
http://rimstar.org/sdenergy/piezoelectricity_from_water_rain.htm

How to Make Piezoelectric Crystal Speaker
http://youtu.be/R7zjfaPKMSE

How to take Piezoelectric Igniter from Lighter for Spud Gun
http://youtu.be/DAyM8Iet1O8

How to get Piezoelectric Crystal from BBQ Ignitor/Sparker
http://youtu.be/oegbv-1cKCA

How to make Rochelle salt piezoelectric crystals
http://youtu.be/E1Ct3VUWvhQ

Make Crystal Earphone/Earpiece for Crystal Radio - Homemade
(how to get a piezo disk crystal from microwave oven)
http://youtu.be/OVapqz4yBCY

See here for the piezoelectricity section of my website:
http://rimstar.org/science_electronics_projects/piezoelectric.htm

Follow behind-the-scenes on:

Twitter https://twitter.com/#!/RimStarz

Google+ https://plus.google.com/116395125136223897621

http://rimstar.org
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