xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 10 days agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.message-squaremessage-square17linkfedilinkarrow-up171arrow-down14
arrow-up167arrow-down1message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 10 days agomessage-square17linkfedilink
minus-squarecall_me_xale@lemmy.ziplinkfedilinkarrow-up2·10 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.