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Description: FemtoBuck - 1x LED driver - 36V/350mA - SparkFun COM-13716.
PicoBuck LED is a driver based onPicoBuckallowing you to control one LED. The power of the diode can be adjusted by changing voltage or by filling the PWM. The board has a jumper for each channel, after connecting it, the maximum current of the diode increases to 660 mA.
Connection
The supply voltage should be connected to the pins marked with + and -. As FemtoBuck is a constant current controller, the input current drawn from the power source drops with increasing voltage. Generally, the module's efficiency is about 95 %, depending on the supply voltage.
The brightness of the diodes is controlled by analog voltage change (from 20 % to 100 % of the maximum current changing the voltage from 0.5 V to 2.5 V) or by PWM signal in the full range from 0 % to 100 %. PWM can be generated from any microcontroller, includingArduino boards.
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