FemtoBuck - 1x LED driver - 36V / 350mA - SparkFun COM-13716

Index: SPF-05983 EAN: 5904422334192

FemtoBuck LED allows to control one LED. The power of the LED can be adjusted by changing voltage or by filling the PWM. The controller provides a constant current of 330 mA or 660 mA - jumper selection.

FemtoBuck - 1x LED driver - 36V / 350mA - SparkFun COM-13716
€6.42 tax excl.
Discontinued product
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Manufacturer: SparkFun
Compatibility: Arduino Raspberry Pi


The product has been discontinued. Check other products in category.

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.


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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Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
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Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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