TimeNaan@lemmy.world to Technology@lemmy.worldEnglish · 3 months agoEngineer turns disposable vape pen into a working web serverinterestingengineering.comexternal-linkmessage-square170linkfedilinkarrow-up1521arrow-down14
arrow-up1517arrow-down1external-linkEngineer turns disposable vape pen into a working web serverinterestingengineering.comTimeNaan@lemmy.world to Technology@lemmy.worldEnglish · 3 months agomessage-square170linkfedilink
minus-squarerain_enjoyer@sopuli.xyzlinkfedilinkEnglisharrow-up1·edit-23 months 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-up1·3 months 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