Overview
The DFRobot SEN0366 IR laser distance sensor delivers long-range, high-precision measurements with a small FOV and UART output—ideal for UAV automatic landing, material/level monitoring, electronic scales, and robotics. It measures 0.05–80 m indoors and 0.05–50 m outdoors with ±1.0 mm (SD) accuracy, runs on 3.3–5 V, and integrates easily with Arduino and other controller boards.
Key Features
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Long range: up to 80 m (indoor) / 50 m (outdoor), 0.05 m blind zone
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High accuracy: ±1.0 mm (standard deviation)
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Small FOV + visible IR spot for targeting small objects (≥ 5 × 5 cm) at long distance
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Simple integration: UART serial interface, 3.3–5 V supply
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Compact & light: 48×42×18 mm, ~60 g
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Safety: Class II laser, 620–690 nm; IP40 enclosure
Applications
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UAV/UGV altitude hold & autolanding
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Silo/warehouse level and bin material monitoring
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Distance gauging for industrial jigs, gantry positioning, and logistics
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Smart farming, robotics, and lab instrumentation
Specifications
| Parameter | Value |
|---|---|
| Power Supply | DC 3.3–5 V |
| Measuring Range | 0.05–80 m (indoor), 0.05–50 m (outdoor) |
| Accuracy (SD) | ±1.0 mm |
| Blind Zone | 0.05 m |
| Laser Wavelength | 620–690 nm (visible IR) |
| Laser Class | Class II, < 1 mW |
| Spot Diameter | 6 mm @ 10 m, 30 mm @ 50 m |
| Single Measurement Time | 0.05–1 s |
| Interface | UART (serial) |
| Protection | IP40 |
| Operating Temp | -10 to +60 °C |
| Storage Temp | -20 to +80 °C |
| Dimensions (L×W×H) | 48 × 42 × 18 mm (1.89 × 1.65 × 0.71 in) |
| Weight | ~60 g |
What’s in the Box
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Infrared Laser Distance Sensor (50 m/80 m) ×1
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USB-to-TTL Converter ×1
Notes
Measurement performance depends on target reflectivity, surface roughness, ambient light, and temperature. Extremely bright light, very dark/absorptive or highly rough surfaces may reduce range or stability.
Details



Infrared Laser Distance Sensor with USB-TTL Programmer



Sensor module with 80m indoor, 50m outdoor range; 0.05m blind zone; accuracy: 1mm at 0.5m, 2mm beyond; standard deviation indicated.

DFRobot SEN0366 infrared laser distance sensor, 3.3-5V power, UART communication, Arduino compatible, easy to start, connects to DFRduino UNO via digital pins.
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