I bought a 200mw 660nm red diode a few days go and i am in need of a driver for it and i am trying to go under 10$ (If possible)
This is the diode Brand New 660nm 200mW Mitsubishi CW Red Laser Diode/DIY - eBay (item 250601073082 end time Jun-19-10 04:14:41 PDT)
I was thinking about using this...