I made a calibration program using Arduino that uses serial to make the arduino choose to do calibration or read values.

Code:

https://github.com/adct-the-experimenter/read-rope/blob/master/adc_code/arduino/read-rope-ADC/read-rope-ADC.ino

The calibration fixed problems caused by error between actual output voltage and expected output voltage.

Calibration is a step in the right direction.

However, improvements need to be made to the calibration program to fix sensing multiple bends.

The assumption that only 3 individual sections need to be calibrated since multiple bends are just a linear combination of the values of 3 individual sections is not working very well.

The program needs to spend more time finding the max value output when a complete bend is made.