TOF400F VL53L1X Laser Range Sensor Module 4m (MODBUS /UART /I2C Interface)
The TOF400F VL53L1X Laser Range Sensor Module 4m (MODBUS /UART /I2C Interface) is a high-performance distance measurement device built on STMicroelectronics’ VL53L1X chip, incorporating second-generation Flight Sense technology for accurate, absolute ranging via time-of-flight principles. This module emits 940nm infrared laser pulses through a vertical-cavity surface-emitting laser (VCSEL) and computes distances by timing the return of reflected photons, achieving results that are unaffected by target color, texture, or reflectivity.
Features:
- Accurate ranging up to 4m in long-distance mode with ±5% accuracy on white targets indoors.
- Independent of target reflectance for reliable measurements on diverse surfaces.
- 940nm Class 1 laser for eye-safe operation compliant with IEC 60825-1:2014.
- High immunity to ambient infrared light and optical crosstalk compensation.
- Multiple modes: high-precision (1.3m, 30ms) and long-distance (4m, 200ms) for performance optimization.
- Operates on a single 3-5VDC power supply.
Specifications:
| Parameter | Value |
|---|---|
| Operating Voltage | 3-5VDC |
| Operating Current | 40mA |
| Measurement Range | 40-4000mm |
| Accuracy | ±5% |
| Laser Wavelength | 940nm |
| Measurement Time | <30ms |
| Operating Temperature | -20to+70°C |
| Storage Temperature | -40to+80°C |
| Interface | UART/I2C/MODBUS |
| Baud Rate (UART) | 115200bps |
| Dimensions | 18×17×6.5mm |
Pin Configuration:

Applications:
- Obstacle detection for robotics and drones.
- Industrial automation and machine monitoring.
- High-speed autofocus for video and photography.
- User presence and gesture detection for smart devices.
- Smart city solutions, such as intelligent waste containers and parking management.
- Liquid level monitoring in tanks and containers.
Package Include:
- 1x TOF400F VL53L1X
- 1x Connector cable





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