Induction Switches
Created on 2020-08-08T17:40:09.889244
Sometimes used to perform Z calibration on cartesian and delta robots.
Smoothieboard recommends using mechanical switches but Prusa's "pinta probe" is one of these.
https://www.aliexpress.com/af/induction-proximity-switch.html?d=y&origin=n&SearchText=induction+proximity+switch&catId=0&initiative_id=SB_20200808134042