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Many potentiometers are designed for use in audio equipment and the resistance of the wiper is not linear at all. It may be logarithmic. So a change of 10 degrees angle will not translate to the same analog reading when the knob is at different positions.I think this may be the problem you are facing.You may need to manually check the wiper resistance values at different positions of the knob to verify if this is what is happening...
Silhouette Cut Public Lab Mobile Spectrometer
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Glad you liked it!!!!
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thanks!!! glad you liked it!
Capture the Analemma of the...View Instructable »
Excellent tutorial. Thanks for uploading.
Any type of conductive plastic sheet.....like the type electronic components are kept in. Anti-static bags may work too.
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