Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Wavelength | 808nm Invisible Infrared |
| Measurement Principle | Phase Shift Method |
| Accuracy | +/- 1mm |
| Operating Range | 0.03m to 50m |
| Interface | UART / RS232 / USB (Optional) |
| Power Supply | DC 3.3V - 5V |
| Laser Class | Class II |
| Response Time | < 100ms |
| Operating Temperature | -10°C to 50°C |
| Dimensions | 45mm x 25mm x 12mm |
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect for robotics projects
The 808nm wavelength is truly invisible which is great for my drone project. The phase measurement is very stable even in varying light conditions. Integration with my microcontroller was straightforward.
Anonymous
Mar 29, 2026
Rating: 5/5
Excellent value for money
Compared to other industrial sensors, this Chenglihua module offers fantastic performance at a fraction of the cost. The build quality feels solid and the data output is consistent.
Anonymous
Mar 26, 2026
Rating: 4/5
Good for indoor ranging
Works flawlessly indoors. Outdoor performance drops slightly in direct sunlight as expected with IR, but still usable within shorter ranges. Very happy with the purchase.
Anonymous
Mar 26, 2026
Rating: 5/5
Fast response time
I needed a sensor with low latency for obstacle avoidance, and this delivers. The <100ms response time is accurate. The invisible laser is a nice bonus so it doesn't distract users.
Anonymous
Mar 07, 2026
Rating: 4/5
High precision but needs calibration
Great sensor module overall. The accuracy is impressive once you calibrate it for your specific environment. Documentation could be slightly more detailed regarding the command set.
Anonymous
Mar 02, 2026
Rating: 5/5
Reliable and compact
Small form factor makes it easy to fit into tight enclosures. The voltage range is flexible enough for most battery-powered applications. Highly recommended for hobbyists and pros alike.
Q: Does this module work effectively on black or highly absorbent surfaces?
A: While the phase shift method is robust, very dark or absorbent surfaces may reduce the maximum effective range. We recommend testing with your specific target material for critical applications.
Q: What is the exact pinout for the UART interface?
A: The standard pinout is VCC, GND, TX, and RX. Please refer to the datasheet included in the download section for the specific pin ordering on the connector header.
Q: Can I use this sensor underwater?
A: No, this module is not waterproof or designed for submersion. It should only be used in dry environments within the specified operating temperature range.
Q: Is there a library available for Arduino integration?
A: Yes, we provide a sample Arduino library and example code on our official GitHub repository. Search for 'Chenglihua Laser Sensor' to find the latest version.
Q: What is the beam divergence angle of the laser?
A: The beam divergence is approximately 1.5 milliradians. This ensures a relatively tight spot size even at longer distances, aiding in precise targeting.
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