this post was submitted on 19 Jul 2023
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LED lights are meant to save energy. They’re creating glaring problems (wapo.st)
submitted 1 year ago* (last edited 1 year ago) by Peaces@infosec.pub to c/technology@lemmy.world
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[–] troyunrau@lemmy.ca 2 points 1 year ago

You're seeing the 60Hz sinusoid caused by using AC electricity. 60 peaks, 60 troughs -- but the like is actually turning on and off 120 times per second when on AC, unless it's first converted to DC. Cheap LEDs just feed AC.