I like. The used sensor( EE-SX1070 according to the website (Digikey USD4) has a linear range of approximately 1mm (graph @ 02:48). With a 10 bit ADC (don’t now how useful better ADC is) this ...

Digital Variable Impedance Transducer for Noncontact Linear Position/Displacement/Proximity Sensing. Aug. 15, 2018. The digiVIT, from the Measuring Division of Kaman Precision Products, ... (IIoT) ...