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  • Overall Rating: 5
  • Price: 5
  • Quality: 5
  • Ease Of Use: 5
  • Usefulness: 5
They work well and are simple to use – AMC7135 1050mA Regulated Circuit Board for DIY Flashlights 10-Pack Reviews

posted by Cheater512 on 04/02/2008 Certified Owner

Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

Dead simple to use and they seem to work fine. They dont get very warm while in use. I only noticed a slight temperature increase.
I had to guess the pin out. Fortunately I guessed correctly.
The center connection is GND for both power in and the LED.
The outer ring is + for power in.
The positive terminal for the LED is on the missing IC's place and is a large round circle on the PCB.

The wires arent soldered on out of the box.
Its a trivial thing though and its easy to solder them on.
I'm powering mine from a 5v 1A switching regulator.
Someone might be interested in that.
I've had no problems with them.
If you have a few high powered LEDs you need to power then grab them.


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