Drive LED's with the SparkFun FemtoBuck!

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This is the FemtoBuck, a small-size single-output constant current LED driver. Each FemtoBuck has the capability to dim a single high-power channel of LEDs from 0-350mA at up to 36V while the dimming control can be either accessed via PWM or analog signal from 0-2.5V. This board is based off of the PicoBuck LED Driver, developed in collaboration with Ethan Zonca, except instead of blending three different LEDs on three different channels the FemtoBuck controls just one.

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Talent: Nick Poole
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Lets talk about that! Good mythical morning :)

mehmetedex
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But why is this necessary if I'm simply putting a 220 ohm resistor in series w/ my LED?

amherstguitar
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You must have heard this a lot of times, but as a fellow electronics enthusiast trying to lose some weight, men you thin! Congrats.

MrClaudiodonate