Hackers' Pub

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`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

nothacking @nothacking@infosec.exchange

1/13/2026, 4:02:21 AM

Public

@lcamtuflcamtuf That "battery charger" circuit is so close to actually working: It's got a sane current limiter, and the rectifier should work (although there's no smoothing)

Just remove R4 and R1 and it might actually charge something... and pick a transformer to produce 0.7 V + the maximum battery voltage, ammeter that can measure the desired current, and find a suitable replacement for the old soviet semiconductors.

So still completely useless to a beginner. The circuit cannot work as drawn, and there isn't enough information to find the right parts.

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