Knitwear@lemmy.world to Chronic Fatigue Syndrome / Myalgic Encephalomyelitis@feddit.deEnglish · 1 year ago[arranges spoon collection] "Actually, I'm gracefully degrading"lemmy.worldimagemessage-square9fedilinkarrow-up1126arrow-down15
arrow-up1121arrow-down1image[arranges spoon collection] "Actually, I'm gracefully degrading"lemmy.worldKnitwear@lemmy.world to Chronic Fatigue Syndrome / Myalgic Encephalomyelitis@feddit.deEnglish · 1 year agomessage-square9fedilink
minus-squareprotist@mander.xyzlinkfedilinkEnglisharrow-up3arrow-down1·1 year agoSure, so why are no flashlights made this way?
minus-squareerrer@lemmy.worldlinkfedilinkEnglisharrow-up11·1 year agoLots of LEDs require at least 3V, and batteries are just over a volt so you have to put them in series. They must be using some special LEDs and/or circuitry that steps up the voltage.
![[arranges spoon collection] "Actually, I'm gracefully degrading"](https://lemmy.world/pictrs/image/7f3a0643-5bea-4c9d-bac0-d7bf70e07fbd.jpeg){kind=link}
Sure, so why are no flashlights made this way?
Lots of LEDs require at least 3V, and batteries are just over a volt so you have to put them in series. They must be using some special LEDs and/or circuitry that steps up the voltage.
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