LED connected to a voltmeter and then shine light on it – you can get voltage from an LED light. le maîtreJune 7, 2019All Post navigation PreviousNext https://www.youtube.com/watch?v=0QECzpF0Hdo http://bit.ly/2Xww5SB Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related