Alan numitron clock
SNES Pi Webserver
USB Volume/USB toys
SNES Arcade cabinet
Game boy projects
Home Presence Detector
Rand Nerd Tut
Carnet du maker (fr)
ATmel blog (defunct)
Signal amplification (OpAmp)Smokey amp vIII and Smokey amp vV. The all time classic, easy to work with, good perf, need a few components around to work but nothing crazy. 300 mW only.
Clapclap 2313. One of my favorite if not my favorite! Small, easy to use, need very few surrounding components (2 caps) and drive up to 1.2 W. A very good boy from Holtek, that is also very cheap.
Beware : this ones are rated 2.2-5.5V, unlike the other opamps that work in the 4v-15v range ! You have to take that in account.
Around a SNES. A bit noisy one at high volume, I drive 2 x 4ohm speaker, but perfect for and arcade cabinet at reasonable volume.
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