On all of my builds, I have used small fans that operate at 12v dc. Everyone else seems to use heatsinks. Why? Oh and check out my other post on my new build pls!
So I got a project box at radioshack and built an LM317 driver with a 25 ohm rheostat... got 6 switches... got a FREE DIODE from a local pc repair shop (ask nicely for an old/broken dvd rw drive), wired it up and... pew pew pew!!! First really good looking build and I hope you guys like it.
The...
It's on an LM317 driver circuit (see picture). Using a 1K ohm potentiometer. Etched on home made PCB. 405 nm Blu Ray diode from xbox sled bought on eBay. Just looks like a low dim when on... HELP!!!
EDIT: No, it should be a burning laser... And did you say I should just get rid of the pot and...