The Mechanical Endstop Switch Module is a critical component used for homing and axis limiting in desktop 3D printers, CNC routers, and laser engravers. Built around a highly reliable microswitch, this board features a built-in status indicator LED and filtering capacitors to prevent electrical noise from causing false triggers on your control board.
Unlike bare microswitches that require manual soldering and pull-up resistors, this module comes fully integrated on a small PCB with a standard 3-pin JST connector, making installation onto your RAMPS 1.4 or Makerbase board quick and error-free.
Plug-and-Play Design: Features a customized 3-pin high-quality connection wire (typically 70cm long) that plugs directly into your RAMPS board.
Onboard LED Indicator: A clear visual aid that illuminates when the switch is depressed, making troubleshooting and bed leveling alignment much easier.
Noise Filtering: Integrated resistors and capacitors protect the signal line from EMI (electromagnetic interference) generated by nearby stepper motor cables.
Universal Firmware Support: Fully compatible with standard open-source firmware like Marlin, GRBL, and Repetier.
| Feature | Specification |
| Switch Type | Mechanical Microswitch (V-15-1C25 or equivalent) |
| Pin Configuration | 3-Pin (VCC, GND, SIGNAL) |
| Cable Length | ~70 cm |
| Logic Voltage | 5V DC (Compatible with 3.3V systems) |
| PCB Dimensions | 40mm x 16mm |
| Mounting Holes | 2x M3 holes for secure frame mounting |
Red Wire: Connects to VCC (+5V)
Black Wire: Connects to GND (-)
Green/White Wire: Connects to SIGNAL (S)
Warning: Double-check your board configuration before powering on. Reversing VCC and GND on a RAMPS endstop header can short out your mega2560 board!
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