xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 4 months agoIf you reverse the polarity of a fire-alarm, you get a fire-starter.Aquileo | message-squareAquileo | message-square17Aquileo | linkAquileo | fedilinkAquileo | arrow-up193Aquileo | arrow-down14
Aquileo | arrow-up189Aquileo | arrow-down1Aquileo | message-squareIf you reverse the polarity of a fire-alarm, you get a fire-starter.xia@lemmy.ca to Showerthoughts@lemmy.worldEnglish · 4 months agoAquileo | message-square17Aquileo | linkAquileo | fedilink
Aquileo | minus-squareTranquilTurbulenceAquileo | linkAquileo | fedilinkEnglishAquileo | arrow-up4·4 months agoSomething as simple as an incandescent light bulb works either way. LED lights are picky about electricity.
Aquileo | minus-squarecall_me_xaleAquileo | linkAquileo | fedilinkAquileo | arrow-up4·4 months agoIndividual LEDs, yes; the rectifiers in most LED “bulbs” shouldn’t care.
Something as simple as an incandescent light bulb works either way. LED lights are picky about electricity.
Individual LEDs, yes; the rectifiers in most LED “bulbs” shouldn’t care.