The LDD-40 is a laser diode power supply that provides automatic current control (ACC) regulation up to 1.5 Amps. It comes as an assembled PC board and includes instructions for hook-up and current adjustment. Requires basic soldering and electronic skills. A multimeter, wire, and power source, along with your laser diode & heatsink is also needed for set-up.

Specifications:

Input Voltage: 4.5 to 6 VDC.
Input Current: 20mA to 1550mA, depending on output setting
Output Current: 10 to 1500mA, user adjustable via 10 turn pot
Regulation: ACC, automatic current control
Dimensions: 2.0″ x 0.7″