Laser Module 5v 3pin

5V 3-Pin Laser Diode Module – Red Laser for Arduino and DIY Projects

The 5V 3-Pin Laser Module is a compact, low-power red laser emitter designed for Arduino, Raspberry Pi, robotics, and general electronics projects. Operating at 5 volts, this module is easy to integrate with most microcontrollers and features a 3-pin interface for simple control and connectivity.

🔧 Key Features

• Operating Voltage: 5V DC

• Laser Color: Red (wavelength typically ~650nm)

• 3-Pin Interface:

  • VCC – Power (5V)

  • GND – Ground

  • SIG – Signal control (ON/OFF via microcontroller)

• Control Type: Digital HIGH/LOW to toggle the laser

• Laser Range: ~10–50 meters visible (for alignment or pointing)

• Power Output: <5mW (Class IIIa laser – safe for general use with precautions)

📐 Specifications

• Dimensions: Approx. 24 × 15 × 8 mm

• Mounting Holes: Available on some versions for fixed installations

• Weight: Very lightweight (~3g)

• Beam Diameter: ~1mm at 10m distance

• Module Type: Laser emitter with control circuit built-in

🛠️ Applications

• Line or point laser for alignment or positioning

• Targeting or aiming systems in robotics

• DIY laser tripwires and security systems

• Laser-based communication or signaling

• Visual indicators in school or hobby projects

✅ Advantages

• Plug-and-play with Arduino, ESP32, STM32, etc.

• Simple ON/OFF control via digital output pin

• Compact size for embedded designs

• Long range visibility indoors and at night

• Low current consumption (~30–50mA)

⚠️ Safety Note: Do not point the laser at eyes or reflective surfaces. Use responsibly and keep away from children without supervision.