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Simple Laser Diode Driver PCB, 100mA..

Our LDB-100-S is a small and simple laser diode (LD) driver board that operates in a constant-current mode and can provide up to 100mA of current. It includes an on-board trim-pot to adjust the desired output power.


1). Connect the laser diode (or LED) as indicated in drawing.
2). Connect the power supply as indicated in the drawing.
3). Turn-on the power supply. The LD (or LED) will turn on.
Note: The current is factory-adjusted at 50mA. To increase current, turn trim-pot R2 counter-clockwise. To decrease current, turn trim-pot R2 clockwise.


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