Getech Mechanical Endstop Switch Module V1.2 Mechanical Limit Switch for 3D Printer Switch Ramps 1.4
The mechanical endstop uses a lever switch to detect when it is activated. The switch is wired up so that when activated it pulls the signal to LOW. There is also an LED on the board that will light up when the switch is activated.It uses a standard 4 pin 100" pitch header and accepts a standard old-style CD-ROM audio connector cable.