TimeNaan@lemmy.world to Technology@lemmy.worldEnglish · 1 month agoEngineer turns disposable vape pen into a working web serverinterestingengineering.comexternal-linkmessage-square161linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkEngineer turns disposable vape pen into a working web serverinterestingengineering.comTimeNaan@lemmy.world to Technology@lemmy.worldEnglish · 1 month agomessage-square161linkfedilink
minus-squarerain_enjoyer@sopuli.xyzlinkfedilinkEnglisharrow-up0·edit-21 month agook fine i’d put there a current limiter which you can make with 2 transistors and a diode. no need for an entire microcontroller. it’s often included with batteries these days anyway
minus-squareterranoid@lemmy.cafelinkfedilinkEnglisharrow-up0·1 month agoI believe lithium ion batteries need custom chips just to charge and discharge smartly Shit, even connecting to modern USB c to negotiate voltage you need a controller
ok fine i’d put there a current limiter which you can make with 2 transistors and a diode. no need for an entire microcontroller. it’s often included with batteries these days anyway
I believe lithium ion batteries need custom chips just to charge and discharge smartly
Shit, even connecting to modern USB c to negotiate voltage you need a controller