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Modern robotics, automation, and IoT projects demand accurate real-time distance feedback, especially when environments are complex or measurement ranges are wide. Our Arduino-compatible Laser Distance Module is built to provide dependable performance whether your project operates indoors or over long outdoor distances. Supporting 0.03 to 200 meters and millimeter-level resolution, this module delivers capabilities previously limited to industrial-grade systems.
This device features a high-visibility green laser (510–550 nm), providing strong optical performance even when detecting targets with bright surfaces or low reflectivity. If needed, a red laser configuration (610–690 nm) is also available to suit cost-sensitive scenarios.
Designed for seamless Arduino development, the module includes a UART interface and can also communicate using RS232, RS485, or Bluetooth when required for advanced control systems.
Ultrasonic modules struggle with soft surfaces. TOF sensors fall short on long-range measurement. Consumer-grade LiDAR often lacks consistency.
This laser distance sensor Arduino module solves these limitations:
| Technology | Weakness | LDJ Module Advantage |
|---|---|---|
| Ultrasonic | Diffuse reflections, short range | Accurate focal laser, up to 200m |
| TOF Camera | Expensive and heavy | Lightweight, compact, power-efficient |
| Low-cost LiDAR | Strong noise and low precision | ±3–5mm stable accuracy |
| IRSensors | Only near-field | Long-range capability |
If your design requires reliable data, this module becomes the preferred measurement engine.
Extended Measurement Distance: 0.03–200m
Fast Response: 3Hz/10Hz/20Hz options
Precision: ±3–5mm
Real Engineering Stability in outdoor lighting
Ultra-low power: <220mA at 3.3V
Versatile Communication: UART/RS232/RS485/Bluetooth
Lightweight and Miniature: 64 × 40 × 18 mm, only 14g
Eye-safe Class 2 Laser
This flexibility allows users to embed the module into compact hardware while maintaining industrial-grade measurement capability.
Only four pins are required to communicate with Arduino:
| Module Wire | Description | Arduino Pin |
|---|---|---|
| Black | GND | GND |
| Red | Power +3.3V | 3.3V |
| Yellow | RX | TX |
| Green | TX | RX |
TX from sensor must connect to RX on Arduino
No level shifter needed when running 3.3V logic
Integrate, upload, monitor — no additional interface electronics required.
| Feature | Green Laser (510–550 nm) | Red Laser (610–690 nm) |
|---|---|---|
| Visibility | Extremely bright | Moderate |
| Outdoor & bright environment | Excellent | Good |
| Cost | Slightly higher | Lower |
| Recommended use cases | Robotics, scanning, industrial | Smart DIY, indoor automation |
If your application involves sunlight, glossy materials, or high dynamic conditions — the green laser version is the superior choice.
This Arduino laser sensor module is an enabling component for:
Navigation, height safety, anti-collision, mapping
Ground tracking and altitude estimation in flight
Positioning for cranes, forklifts, and stackers
CNC inspection, tunnel or wall dimensioning
Perimeter detection without bulky radar or cameras
Digital tape, surveying tools, leveling devices
Whether building prototypes or mass-production equipment, this module delivers measurable improvements over basic distance sensors.
| Parameter | Specification |
|---|---|
| Range | 0.03–200m |
| Accuracy | ±3–5mm |
| Frequency | 3Hz / 10Hz / 20Hz |
| Measuring Time | 0.05–4s |
| Laser Type | 510–550nm Green Laser (optional 610–690nm Red) |
| Power | <220mA @ 3.3V |
| Operating Temperature | 0–40°C (32–104°F) |
| Storage Temperature | −25–60°C (−13–140°F) |
| Size | 64×40×18mm |
| Weight | 14g |
| Data Interface | UART / RS232 / RS485 / Bluetooth |
| Laser Safety | Class 2 |
We provide:
Arduino sample code
Communication protocols
Tutorial wiring guide
Technical consultation
Custom firmware support for advanced OEM needs
So even first-time builders can quickly achieve clean data streaming through the serial port.
If you are looking for:
An Arduino laser distance module that actually supports long-range sensing
Millimeter-level reliability instead of unstable hobby sensors
A compact alternative to high-cost LiDAR units
Then this module gives you the advantage your project deserves.
Take accurate measurement, turn it into smart automation — and accelerate your product development today.
We support sample ordering, OEM customization, firmware tuning, and integration guidance.
Tell us about your application — we will help you select the perfect configuration.
If you are interested in the product, contact 2bvideo.com for more information for more information
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Main Product:
Laser Distance Sensor,
Laser Ranging Module,
2D 3D Lidar Sensor,
Pulse Ranging Sensor,
TOF Ranging Sensor ,
Laser Rangefinder Sensor
