#13 in Electronic component sensors
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Reddit mentions of Softpot Rotary Potentiometer

Sentiment score: 1
Reddit mentions: 1

We found 1 Reddit mentions of Softpot Rotary Potentiometer. Here are the top ones.

Softpot Rotary Potentiometer
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    Features:
  • Unit comes with adhesive backing
  • Connector is 0.1" spaced and bread board friendly
  • Work great with a finger, or stylus.
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Number of items1
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Found 1 comment on Softpot Rotary Potentiometer:

u/swingking8 ยท 2 pointsr/AskElectronics

Maybe using the steppers, and recalibrating to a limit switch might work well? If that's not an option, you definitely need absolute positioning.

I work in R&D developing these kinds of sensors and there are simply not many absolute options out there. Encoders are differential only most often differential, so unless you're saving your state to EEPROM or something, you will run into the same problems you're having with steppers.

What would work best and easiest is a rotary potentiometer. It might be as simple as hooking a multi-turn pot to your joint. Assuming a decently regulated power supply, this is a great way to go. Or if you need space, [these] (http://www.amazon.com/SPECTRA-SYMBOL-Softpot-Rotary-Potentiometer/dp/B00OSLO1PM/ref=sr_1_1?ie=UTF8&qid=1415895418&sr=8-1&keywords=rotary+softpot) are great. They have a huge sweep compared to most pots, as you can see.