General > General Technical Chat

digitally controlled potentiometer? I got this!

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FlevasGR:
The other day i was making a BT controlled 50W flashlight and i wanted a way to change the voltage from the stepup converter but in order to change it i wanted a digitally controlled potentiometer. Unfortunately i couldn't wait for shipping so i had to improvise.

A cheap servo will do the job. 8)

lutkeveld:
Lol, make sure to patent this

Melt-O-Tronic:
Facepalm + high five!   :clap:

canibalimao:
You don't know for how long I've been looking for a digital variable resistor! This is genious! When will you start selling these things?  :clap:

rx8pilot:
You do know that there are many i2c and SPI digital pots on the market right?

One that I have used before....
http://www.digikey.com/product-search/en?KeyWords=MCP4661T-503E%2FMLCT-ND&WT.z_header=search_go

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