Tuesday, 11 August 2015

UPS Tester

15:33  Telli k  No comments

I bought a pallet of UPS's from a surplus College Auction and needed a way to test their capacities to see if I got any good ones before I scrapped them. To do this, I bought a cheap AA powered wall clock from a thrift store and converted it so it was powered by a 120v wall wart (Wall Transformer)....
By: joeynovak

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from Instructables: exploring - technology - robots http://ift.tt/1DHGDD1

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