laser power meter - Hack a Day

Laser power meter sensor

posted May 24th 2007 10:23pm by Will O'Brien
filed under: laser hacks

I signed the papers on my first house today! In celebration, I started looking for some home hardware hacks, but stumbled across this old (2003) laser power meter sensor. If you like to scare off the power guys, this is the way to go. [jake] used a laser pointer, probably a PIC and some sort of photo sensor to count the revolutions of his meter.

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