
Description:
The 5mm Red Laser Diode Sensor Module is a compact, high-precision laser emitter built for object detection, positioning, alignment, and robotics applications. It emits a focused 650nm red beam that ensures stable and accurate performance in both DIY and professional setups.
Compatible with Arduino, Raspberry Pi, ESP32, STM32, and more — this plug-and-play 3-pin module makes integration effortless for students, makers, and engineers.
Whether you’re building a laser tripwire security system in Delhi, a robotic alignment project in Noida, or an automation sensor in Bangalore, this module delivers reliability, precision, and versatility at an affordable price.
Specification:
| Laser Type | Semiconductor Diode |
| Wavelength | 650nm (Red) |
| Output Power | <5mW (Class 2) |
| Operating Voltage | 3V–5V DC |
| Current | <40mA |
| Module Diameter | 5mm |
| Module Length | ~15mm |
| Beam Divergence | <1.5 mrad |
| Beam Shape | Dot/Line (Straight) |
| Material | Copper/Aluminum Alloy |
| Interface | 3-Pin (VCC, GND, Signal) |
| Lifespan | >5000 hours |
| Operating Temp. | -10°C to +40°C |
| Weight | ~3g |
Features:
- ✅ Bright Red 650nm Laser Beam – Clear, visible, and focused for precision targeting even in daylight.
- ⚡ Wide Voltage Range (3V–5V DC) – Compatible with Arduino, Raspberry Pi, ESP32 & more.
- 📏 Compact 5mm Design – Perfect for small enclosures and embedded electronics.
- 🧠 Plug & Play Interface – Simple 3-pin setup: VCC, GND, Signal. No complex wiring required.
- 🔧 Durable Build Quality – High-grade metal housing ensures long operational life.
- 🎯 Stable Beam & Low Divergence – Maintains accuracy over long distances.
- 🔒 Safe Output Power (<5mW) – Class 2 compliant for educational and DIY projects.
Applications:
- Object & obstacle detection systems
- Laser tripwire alarms & security systems
- Robotic alignment & distance sensing
- Educational STEM projects & engineering experiments
- DIY electronics and prototyping
- Optical communication & light-based experiments
- Artistic and creative laser installations
💡 Connection Guide:
Pin Configuration:
- VCC: 3.3V–5V DC
- GND: Ground
- Signal: Digital Pin (control or always HIGH for continuous ON)
Arduino Sample Code:
int laserPin = 8;
void setup() {
pinMode(laserPin, OUTPUT);
}
void loop() {
digitalWrite(laserPin, HIGH);
delay(1000);
digitalWrite(laserPin, LOW);
delay(1000);
}
⚠️ Safety & Usage Tips:
- Do not point laser at eyes or reflective surfaces.
- Operate under adult supervision (for students).
- Use regulated power supply for stable performance.
- Follow Class 2 laser safety standards.
💬 Why Choose Us:
- ✅ Quality-Tested & Ready-to-Use Modules
- ✅ Affordable Pricing for Students & Makers
- ✅ Expert Support for Project Guidance
- ✅ Fast Dispatch from Delhi Warehouse
- ✅ GST Invoice with Every Order
Package Included:
- 1 x Red Dot Laser Diode Module