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Esmes' Electronics
Esmes' Electronics is a simple introduction to using the micro:bit written by a year 5 student.
Troys' tutorials
Learn with Troy by asking for support and, he will post a tutorial here to benefit all of our visitors. Free advice!
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An adjustable potentiometer can open up many interesting user interfaces. Turn the pot and the resistance changes. Connect VCC to an outer pin, GND to the other, and the center pin will have a voltage that varies from 0 to VCC depending on the rotation of the pot. Hook the center pin to an ADC on a microcontroller and get a variable input from the user!
This pot has a 1/4\" mounting diameter and has a 10K linear taper. Check the datasheet for dimensional drawings.
**Documents:**
* [Datasheet](http://www.sparkfun.com/datasheets/Components/General/R12-0-.pdf)
* [How potentiometers work](http://en.wikipedia.org/wiki/Potentiometer)
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