These motorized sliders are very cool. Each is essentially a standard slide pot which is belt-driven by a small motor. The slide contains two separate 10k audio taper potentiometers so that you can use one as servo-feedback in order to read the position of the slider and use the other to control whatever your target is. There is also a touch sense line which is electrically connected directly to the metal slider tab so that you can interface the slider with capacitive touch circuitry.
Motorized potentiometers are useful when you need the ability to jump to preset positions or when you want physical feedback from virtual controllers. There are also a variety of unconventional uses for these potentiometers such as pulsing the motor to provide haptic feedback or just using it as a linear actuator for super light-duty robotics.
Check the related items for plastic knobs that fit these sliders.
Note: We have recently uncovered the correct datasheet for this part and, as many of you had already suspected, this is not a linear potentiometer. This is an audio taper pot with a "15A" profile, you can see a chart of this taper below.
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Skill Level: Noob - Some basic soldering is required, but it is limited to a just a few pins, basic through-hole soldering, and couple (if any) polarized components. A basic soldering iron is all you should need.
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