xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 6 days agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17fedilinkarrow-up194arrow-down15
arrow-up189arrow-down1message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 6 days agomessage-square17fedilink
minus-squarecall_me_xale@lemmy.ziplinkfedilinkarrow-up4·6 days agoIndividual LEDs, yes; the rectifiers in most LED “bulbs” shouldn’t care.
Individual LEDs, yes; the rectifiers in most LED “bulbs” shouldn’t care.