October 2, 2018
Description
This is Optical limit switch mounts for Ender 3.
I used this OptoEndstop.
https://www.aliexpress.com/item/6-pcs-lot-Optical-Endstop-Light-Control-Limit-Optical-Switch-for-3D-Printers-RAMPS-1-4/32434841034.html
License:
Creative Commons - Public Domain Dedication