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Lidar laser distance sensor - 20m - I2C/UART - Benewake TFS20-L
The TFS20-L miniature LiDAR module from Benewake is a lightweight and precise rangefinder based on dToF technology, offering measurement up to 20 m . The measurement accuracy is ± 6 cm in the range from 0.2 m to 6 m and 1% of the measured distance above 6 m. Thanks to its compact size ( 21 x 15 x 7.87 mm ), light resistance up to 100 kLux and UART / I2C communication, it is ideal for drones, robots and IoT applications.
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Product description: Laser Lidar Distance Sensor - 20m - I2C / UART - Benewake TFS20-L
Benewake TFS20-L is a high-performance, miniature LiDAR module for precise distance measurement in the range of up to 20 m . Built on the basis of dToF technology and SPAD sensor , it enables accurate measurement even in difficult lighting conditions. Its ultra-compact design ( 21 x 15 x 7.87 mm ) and low weight ( 1.35 g ) make it perfect for integration with drones , mobile robots and IoT devices. The module supports UART and I2C interfaces, has a temperature compensation function and integrated operating modes, which allows you to adjust parameters to a specific application. TFS20-L is also resistant to strong light (up to 100 kLux) and achieves accuracy of ± 6 cm in the range of 0.2 to 6 m .
Lidar Laser Distance Sensor - 20m - I2C / UART - Benewake TFS20-L.
The module includes a highly sensitive SPAD sensor with infrared amplification with a range of up to 20 m.
Main features of the TFS20-L sensor
- Compact design : small dimensions of 21 x 15 x 7.87 mm and weight of only 1.35 g enable integration with drones, robots and compact IoT devices
- dToF technology and SPAD sensor : uses the laser beam time-of-flight measurement method and a highly sensitive SPAD sensor to ensure stable measurement
- Range up to 20 meters : allows you to measure distances up to 20 m with an accuracy of ± 6 cm (in the range from 0.2 m to 6 m) and 1% above 6 m
- Ambient light resistance : stable operation even in lighting conditions up to 100,000 lux - ideal for outdoor use
- Multi-protocol communication : supports UART (115200 bps) and I2C (up to 400 kbps) interfaces, facilitating integration with various microcontrollers
- Low power consumption : 3.3V DC power supply, power consumption less than 0.35W - ideal for battery operation
- High measurement frequency : can work with a reading frequency of up to 250 Hz - ideal for dynamic applications
- Class 1 Laser Safety : Meets EN60825 standard - safe for eyesight during standard use
Compact dimensions and low weight
The TFS20-L module has been designed for integration in applications with limited space. Its miniature dimensions (21 x 15 x 7.87 mm) and weight of only 1.35 g allow for a significant reduction in the overall weight of the device. This is especially important in drones and robots , where every gram counts for uptime and performance.
Precise measurement and wide range
TFS20-L offers exceptional measurement accuracy of ±6 cm in the range of up to 6 m and 1% above this value , providing reliable data in real time. Thanks to high resistance to light interference (up to 100 kLux), the module works stably both indoors and outdoors . Built-in temperature compensation and the ability to work with different degrees of light reflection ensure reliability in different conditions.
Its small size makes it an excellent choice for miniature dToF applications.
The module supports I2C and UART interfaces, making it easy to integrate and use.
Practical applications
TFS20-L is used in UAVs (autonomous landing, maintaining altitude), mobile robots (fall prevention and obstacle detection), IoT systems (smart containers, doors and presence sensors), as well as in household appliances, home automation and industrial solutions . Versatility and the ability to adjust operating parameters make it suitable for both prototyping and finished products.
Technical specification TFS20-L
- Measurement range:
- from 0.2 m to 20 m (for 90% reflection at 0 klux)
- from 0.2 m to 15 m (for 90% reflection at 100 klux)
- from 0.2 m to 12 m (for 10% reflection at 0 klux)
- from 0.2 m to 9 m (for 10% reflection at 100 klux)
- Measurement accuracy: ±6 cm from 0.2 m to 6 m; 1% above 6 m
- Repeatability: ≤ 2 cm (for 0.2 m to 6 m)
- Refresh Rate: 0Hz / 20Hz / 50Hz / 100Hz (Default) / 250Hz
- Ambient Light Immunity: Up to 100,000 Lux
- Light source: VCSEL laser
- Laser wavelength: 905 nm
- Field of View (FoV): < 2°
- Laser safety: Class 1 (according to EN60825)
- Communication interface: UART (115200 bps), I2C (up to 400 kbps)
- Communication signal level: LVTTL (3.3V)
- Default I2C address: 0x10 (range: 0x10-0x7F)
- Supply voltage: 3.3 V DC (±9%)
- Average power consumption: ≤ 0.35 W
- Peak Current: 115 mA @ 3.3 V
- Operating temperature: -20°C to 60°C
- Storage temperature: -40°C to 85°C
- Connector: 0.8 mm - 6 pin (model WF08006-01207)
- Dimensions: 21 x 15 x 7.87 mm
- Weight: about 1.35 g
The set includes a connecting cable.
Useful links
- Manufacturer's website
- Technical documentation
- User manual
- Catalog card
- Laser Distance Sensor - What is it and what is it used for?
| Name | Value |
|---|---|
| Voltage to | 3.3 V |
| Voltage from | 3.3 V |
| UC - I2C | yes |
| UC - UART | yes |
| Width | 11 cm |
| Height | 7 cm |
| Depth | 1 cm |
| Weight | 0.003 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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