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Hey guys so I know I'ved already bugged some people with this but I'm still not too sure after researching a ton. So I bought : Laser Diode Driver Board 20-300mA, TTL Control - eBay (item 160421245909 end time Jan-01-11 12:43:41 PST)
And it has TWO +VE on the input side (bottom) and I was wondering what I should do if I am not using the TTL for a PHR 405nm diode. Should I solder a 2 way wire to the TTL and normal +VE for a single postive wire to the battery or should I ignore the TTL +VE side and just use the +VE side?
And it has TWO +VE on the input side (bottom) and I was wondering what I should do if I am not using the TTL for a PHR 405nm diode. Should I solder a 2 way wire to the TTL and normal +VE for a single postive wire to the battery or should I ignore the TTL +VE side and just use the +VE side?