The optical endstop is a reliable endstop / switch solution for any type of 3D printers and other CNC and/ or 3D tools.
Our product is based on the original design found HERE and is a improvement of Gen7 Endstop (OptoEndstop 2.1)
3 x optical endstop using TCST2103 Photo-interrupter,
3 x 3 pins cable
3PCS Optical Endstop Switch for CNC 3D Printer RepRap Prusa Mendel RAMPS 1.4