650nm 6mm 5V DC Mini Laser Dot Diode Module
650nm 6mm 5V DC Mini Laser Dot Diode Module
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Looking to buy 650nm 6mm 5V DC Mini Laser Dot Diode Module at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Compact and reliable red laser dot diode module from Tech Depot India, Bengaluru. This 650nm wavelength, 6mm diameter module operates at 5V DC, producing a focused red dot ideal for alignment, positioning, robotics, and DIY laser projects.
Specifications
| Wavelength | 650nm (Red) |
| Module Diameter | 6mm |
| Operating Voltage | 5V DC |
| Output Power | ~5mW (Class IIIa) |
| Beam Pattern | Dot (Point) |
| Beam Color | Red |
| Module Length | ~18mm (typical) |
| Operating Current | <=30mA |
| Operating Temperature | -10 degreesC to +40 degreesC |
| Focusable | Yes (adjustable lens head) |
| Type | Laser Dot Diode Module |
| Origin | Original/Authentic |
Why Choose 650nm 6mm 5V DC Mini Laser Dot Diode Module?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of 650nm 6mm 5V DC Mini Laser Dot Diode Module
- Visible Red Dot Output: 650nm wavelength produces a bright, clearly visible red dot for precise targeting and alignment.
- Ultra-Compact 6mm Form Factor: Tiny cylindrical body fits easily into tight enclosures, robotic arms, and custom builds.
- Simple 5V DC Operation: Runs directly from Arduino, Raspberry Pi, or any standard 5V power source - no external driver circuit needed.
- Adjustable Focus: Rotate the lens head to fine-tune the dot size from a tight point to a broader spot depending on distance and application.
- Low Power Consumption: Draws under 30mA, making it suitable for battery-powered and portable projects.
- Plug-and-Play Wiring: Two-wire connection (VCC and GND) for instant integration into any circuit.
- Durable Metal Housing: Copper or brass body provides heat dissipation and physical protection for the laser diode.
- Continuous or Modulated Operation: Can be driven continuously or pulsed via a microcontroller GPIO pin or transistor switch.
- 100% authentic from trusted component suppliers
- Ideal balance of size, power, and visibility for hobbyist and professional use
- Widely compatible with Arduino, ESP32, Raspberry Pi, and other microcontroller platforms
Perfect For
- Laser Tripwire Security System: Pair with an LDR or photodiode to create a beam-break alarm system that triggers when someone crosses the laser path.
- CNC & 3D Printer Alignment: Mount the module to project a reference dot for workpiece alignment, homing, and calibration on CNC machines or laser engravers.
- Robotics Targeting & Distance Sensing: Use as a visual pointer on robotic arms or combine with a camera module for basic triangulation-based distance measurement.
- Arduino Laser Communication (Li-Fi): Modulate the laser beam with data signals to transmit information optically between two points using a photodetector receiver.
- Interactive Cat Toy / Pet Project: Mount on a servo motor controlled by Arduino to create an automated, randomly moving laser dot for pet entertainment.
- Laser Harp Musical Instrument: Arrange multiple modules in parallel beams with photodetectors to build a laser harp that plays notes when beams are interrupted.
- Precision Measurement & Leveling: Use the focused dot as a reference point for DIY leveling tools, surveying aids, or optical bench experiments.
How It Works
The module contains a semiconductor laser diode rated at 650nm wavelength, integrated with a collimating lens and a current-limiting resistor inside a compact 6mm metal housing. When 5V DC is applied across the two leads (red wire to VCC, ground wire to GND), the diode emits a coherent red laser beam focused into a sharp dot. The adjustable lens allows you to control focus for different working distances. For microcontroller-based projects, you can switch the module on and off using a digital GPIO pin through an NPN transistor (such as 2N2222) or a MOSFET for safe current handling.
Pin Configuration / Wiring
| Red Wire (+) | VCC - Connect to 5V DC power supply or microcontroller 5V output |
| Black/Blue Wire () | GND - Connect to ground |
Frequently Asked Questions
Is technical support available?
Yes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
Order your 650nm 6mm 5V DC Mini Laser Dot Diode Module today and start building your next project.
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