A nicer voltmeter clock(lcamtuf.substack.com)

345 points by surprisetalk 5 months ago | 45 comments

lcamtuf's Substack post describing building an improved voltmeter clock, an update to a 2019 project, with emphasis on its wooden enclosure.

UI is hell: four-function calculators(lcamtuf.substack.com)

198 points by surprisetalk 1 year ago | 115 comments

Cursed circuits #5: capacitance multiplier(lcamtuf.substack.com)

96 points by surprisetalk 3 months ago | 14 comments

The magic of DC-DC voltage conversion (2023)(lcamtuf.substack.com)

363 points by _Microft 2 years ago | 122 comments

An lcamtuf Substack article explaining DC-DC voltage conversion methods, including resistor dividers, linear regulators, buck converters, and charge pumps.

The magic of DC-DC voltage conversion(lcamtuf.substack.com)

201 points by zdw 3 years ago | 117 comments

PCBs, copper pours, ground planes, and you(lcamtuf.substack.com)

276 points by surprisetalk 1 year ago | 80 comments