Tiny solar power bank
Added 2022-12-15 05:02:48 +0000 UTCNo schematic with this one due to lack of enthusiasm about what turned out to be VERY retro circuitry.
Literally the whole unit can be done with one chip and a protected cell these days.
https://www.youtube.com/watch?v=qjr3p1giVgw
Comments
It claims to be 99.8%.
Big Clive
2022-12-18 02:00:32 +0000 UTCWhat is the percentage of the isopropyl you use?
2022-12-17 23:05:21 +0000 UTCI agree. Modern 'chip' circuits are depressing; schematics of 'proper' circuits are fascinating. But it's still a great video.
Ymir the Frost Giant
2022-12-17 12:34:08 +0000 UTC
