Waveshare TOF Laser Range Sensor (D) 40m UART I2C IO Module
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Waveshare TOF Laser Range Sensor (D) 40m UART I2C IO Module
Description
The Waveshare TOF Laser Range Sensor (D) is a compact 40m ToF laser range sensor for precise distance measurement with UART, I2C and I/O output. This SKU is the official D version with a 0.05m to 40.0m typical measuring range and ±3cm typical accuracy.
The TOF laser range sensor uses a 905nm laser time-of-flight principle, an ultra-narrow 1° to 2° FOV and about 100K LUX ambient-light tolerance. That makes this UART I2C distance sensor suitable for indoor and outdoor detection, height testing, obstacle avoidance, robotics and industrial presence sensing.
With 4.3V to 5.2V power input, 3.3V TTL UART, I2C cascade support and complementary I/O level output, the Waveshare TOF sensor module integrates easily with Raspberry Pi, MCU and embedded systems. The D version is described here as a 40m laser distance sensor; the product title and selected SKU identify this item as the 40m option.
Features
- 40m ToF laser range sensor with 0.05m ~ 40.0m typical measuring range.
- ±3cm typical accuracy over the specified 40m range.
- UART / I2C / IO communication for flexible host integration.
- 905nm wavelength and ultra-narrow 1° ~ 2° FOV for focused distance measurement.
- 100K LUX ambient light tolerance for robust indoor and outdoor use.
- Compact 22.7mm x 28mm x 13.6mm size and only 7.5g weight.
Specifications
| SKU | Waveshare-28760 |
| Part No. | TOF Laser Range Sensor (D) |
| Product Type | 40m ToF laser range sensor |
| Typical Measuring Range | 0.05m ~ 40.0m |
| Typical Accuracy | 0.05m ~ 40m ±3cm |
| Wavelength | 905nm |
| Field of View | 1° ~ 2° |
| Communication | UART 3.3V TTL, I2C, complementary I/O level output |
| Baud Rate | UART 4.8Kbps ~ 3000Kbps, 921.6Kbps default; I2C up to 400Kbps |
| Power Supply | 4.3V ~ 5.2V |
| Power Consumption | 250mW, UART active output, 5.0V / 50mA |
| Ambient Light Tolerance | about 100K LUX |
| Weight | 7.5g |
| Operating Temperature | -10°C ~ 60°C |
| Dimensions | 22.7mm x 28mm x 13.6mm |
Applications
- Robot obstacle avoidance and short/long-range distance measurement.
- Height testing, level estimation and position checking.
- Industrial detection, access control and safety-zone sensing.
- Raspberry Pi or MCU-based UART/I2C measurement projects.
- Outdoor sensing where high ambient-light tolerance is required.
Product List
| TOF Laser Range Sensor (D) | 1 |
| GH1.25 4PIN cable | 1 |
| GH1.25 4PIN squid cable | 1 |
Other Content
The official WebP images below show the D version, features, interfaces, applications, Raspberry Pi UART connection, dimensions and package content of the TOF laser range sensor.








Resources
- Official Waveshare wiki for TOF Laser Range Sensor (D)
- Official Waveshare wiki for shared C/D documentation
FAQ
Which version is Waveshare-28760?
Waveshare-28760 is the TOF Laser Range Sensor (D) 40m version.
Which interfaces are supported?
The sensor supports UART 3.3V TTL, I2C and complementary I/O level output.
How accurate is the sensor?
The official specification lists 0.05m ~ 40m with ±3cm typical accuracy for the D version.
Can it be used outdoors?
Yes. The official page lists about 100K LUX ambient light tolerance, suitable for indoor and outdoor conditions.
What is included in the package?
The package includes the TOF Laser Range Sensor (D), GH1.25 4PIN cable and GH1.25 4PIN squid cable.
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