Member #1505378

Member Since: February 26, 2019

Country: United States

  • If you connect it as a simple pot, there can only be one touch, but, if you connect one voltage divider on each side, you can have two touches. The problem with the two touches aproach is that the response is not linear, because one of the resistors of the divider would be fixed, though it's easy to linearize it with software. Also, I'd recommend to use a higher resolution adc, to compensate for the fact that voltage changes a lot quicker on the longer distance. A 12bit adc seems to be enough for me. There is an example of the circuit here:

  • Hello. I want to use some of this softpots on wood, actuated with fingers. My problem is that their 20mm width is a little too much for me; I need them to be 3 mm less. Does some one know, if I cut 1.5mm on each side, will it still work? What do you think? :) Thanks.

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