Red Laser Diode Module 650nm 6mm 5V Adjustable Dot

High Precision 650nm 6mm 5V Red Laser Diode Module with Adjustable Focus

The 650nm 6mm 5V Red Laser Diode Module is a compact and efficient optical component designed for precision alignment, measurement, and DIY electronics projects. With its adjustable focus and stable output, this red dot laser module provides a clear, concentrated beam suitable for both hobbyist and professional applications. The module features a durable copper/brass housing that ensures efficient heat dissipation and long operational life. Commonly used in robotics, positioning systems, and optical experiments, this module is a reliable choice for any laser-based project offered by Bigyan Project.

Product Specifications

Features

• Compact and lightweight 6mm module for easy installation.
• Adjustable focus for precise beam control.
• Stable and continuous red laser output at 650nm.
• Durable copper housing enhances thermal performance.
• Operates efficiently on 5V DC supply.
• Ideal for both industrial and educational projects by Bigyan Project.

Applications / Use Cases

• DIY and educational science projects.
• Robotics and automation systems for flame or object detection.
• Laser alignment and positioning tools.
• Optical instrumentation and calibration devices.
• Target pointing and sighting systems.
• Signal generation and laser indication tasks.

User Guide / How to Use

• Connect the module’s red wire to +5V DC and black wire to GND.
• Adjust the focus ring carefully to control beam sharpness.
• Avoid direct eye exposure to the laser dot during operation.
• Mount the module on a stable surface or bracket for accurate alignment.
• Use in a clean, dry environment for consistent performance.

Frequently Asked Questions (FAQs)

• Q: Can this laser module run directly from an Arduino 5V pin?
  A: Yes, it can safely operate from a 5V Arduino output within current limits (<40mA).
• Q: Is the beam focus adjustable?
  A: Yes, the lens can be rotated to adjust beam size and focus distance.
• Q: What color is the laser output?
  A: The laser emits a bright red light at 650nm wavelength.
• Q: Can I use this in a fire-detecting robot project?
  A: Yes, this module is suitable for targeting or guiding systems in DIY robots, such as those featured in Bigyan Project builds.
• Q: How long can it operate continuously?
  A: The module can operate continuously for several hours within its rated temperature range.

Challenges and Considerations

• Not suitable for outdoor use in bright daylight without optical filtering.
• Laser intensity decreases slightly with temperature rise.
• Ensure polarity is correct to avoid damage.
• Eye safety precautions must always be followed.

Compatibility

• Compatible with Arduino, ESP32, Raspberry Pi, and similar microcontrollers.
• Can be integrated with PWM circuits for light modulation.
• Works with Bigyan Project sensor modules and DIY robotics kits.

Future Enhancement Options

• Add an optical lens for beam shaping or distance measurement.
• Integrate with servo motors for auto-tracking systems.
• Combine with light sensors for smart detection applications.
• Upgrade to a line laser module for alignment projects.

Benefits

• Reliable performance for long-term use.
• Simple plug-and-play installation.
• High visibility laser dot for accurate positioning.
• Low power consumption for battery-powered projects.
• Supported by Bigyan Project for educational and maker communities.

Conclusion

The 650nm 6mm 5V Red Laser Diode Module is a perfect choice for students, hobbyists, and engineers working on laser-based electronics or robotics projects. Its solid copper body, stable output, and adjustable focus make it versatile and durable. Whether you are designing a fire-hunting robot, alignment tool, or optical experiment setup, this module delivers precision and reliability trusted by Bigyan Project users.

Keywords: red laser diode module, 650nm laser, 5V laser dot, adjustable focus laser, copper head laser module, laser alignment tool, laser for DIY, Arduino laser module, ESP32 laser module, robotics laser, Bigyan Project, বিজ্ঞান প্রজেক্ট, laser diode 6mm, optical module