Collision Sensor 3d Printer Limit Switch

The Collision Sensor Module (also known as a 3D Printer Limit Switch) is a compact mechanical switch-based sensor designed for detecting physical contact or collision in automation projects. It is widely used as an end-stop or limit switch in 3D printers, CNC machines, and robotic systems.

Key Features of Collision Sensor Module:

• Mechanical Contact Detection: Uses a high-precision micro switch for physical impact detection.
• Digital Output: Sends HIGH or LOW signal when activated.
• LED Indicator: Onboard LED indicates sensor state for easy debugging.
• Pre-Soldered Pins: 3-pin male header for easy interfacing.
• Wide Compatibility: Compatible with Arduino, Raspberry Pi, and other microcontrollers.

Technical Specifications of Collision Sensor Module:

• Operating Voltage: 3.3V to 5V DC
• Output Type: Digital
• Switch Type: Mechanical micro switch
• Contact Life: Over 1 million operations
• Debounce Time: Typically < 5ms

Mechanical Specifications of Collision Sensor Module:

• Module Dimensions: Approx. 28mm x 15mm (L x W)
• Mounting Holes: 2 x M3 holes
• PCB Color: Black
• Weight: ~2 grams

Pinout and Connection of Collision Sensor Module:

• OUT: Digital Output Pin (goes LOW when pressed)
• VCC: Power Input (3.3V – 5V)
• GND: Ground Connection

Schematic Diagram and Wiring of Collision Sensor Module:

• OUT to Microcontroller: Connect OUT to a digital input pin on the microcontroller.
• VCC to Power: Connect VCC to 3.3V or 5V depending on controller logic.
• GND: Common ground with the microcontroller.
• LED Behavior: LED turns on when switch is pressed.

Datasheet of Collision Sensor Module:

• Download KW12-3 Micro Switch Datasheet (PDF)

Applications of Collision Sensor Module:

• 3D Printers: Used as end-stops or limit switches for X, Y, Z axes.
• CNC Machines: For physical limit detection to prevent crashes.
• Robotics: Detect obstacle contact or bumper triggers.
• Safety Interlocks: Prevents motion when the device is in contact or open state.

Equivalent of Collision Sensor Module:

• KW12-3: Standard microswitch used in this module
• Omron D2F Series: High-quality alternative microswitch series

Package Includes:

• 1 x Impact Switch Collision Switch Sensor Module for Arduino (Limit Switch Type)