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led light up with only 1 leg

PostPosted: Fri Mar 29, 2013 11:48 am
by 8352526
how can a led light up when only one of its leg touches the circuit?? anyone can explain??

Re: led light up with only 1 leg

PostPosted: Fri Mar 29, 2013 1:30 pm
by khmok
any photo?