SKU: SENS-2914
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DFRobot Ultra-Compact ToF Laser Ranging Sensor (7.8m, 1g, Coin-Sized) - UART/I2C/IO Interface

₹1,889.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Ultra-Compact ToF Laser Ranging Sensor is a direct Time-of-Flight (dToF) module providing precise distance measurement up to 7.8 meters. With UART, I2C, and IO interfaces, it is compatible with Arduino, Raspberry Pi, and ESP32 platforms for robotics, drones, and automation.

Features

  • Direct Time-of-Flight (dToF) technology for accurate ranging up to 7.8 meters (±4cm).
  • Ultra-compact coin-sized form factor (19×12×10.3mm) weighing only 1 gram.
  • High-speed 50Hz refresh rate for real-time obstacle detection and navigation.
  • Robust ambient light immunity, operating reliably under 100,000 lux.
  • Narrow 2–3° field of view for focused sensing and reduced environmental noise.

Out of stock

Description

This sensor utilizes advanced direct Time-of-Flight (dToF) technology to measure distances from 2 cm up to 7.8 meters with an accuracy of ±4 cm. The compact, lightweight design enables seamless integration into space-constrained applications such as wearable devices, micro-drones, and robotic arms.

Featuring a high 50Hz refresh rate and a narrow field of view, the module provides stable, real-time data even in dynamic environments. It is engineered for reliable operation under intense ambient light up to 100,000 lux, making it suitable for both indoor and outdoor use. The sensor interfaces via UART, I2C, or simple digital IO, offering flexibility for various microcontroller and single-board computer systems.

Key Features

  • Direct Time-of-Flight (dToF) sensing principle for high precision and speed.
  • Ultra-miniaturized SMD package with a durable, high-value build.
  • High refresh rate of 50Hz enables responsive real-time control loops.
  • Superior ambient light rejection for stable performance in bright conditions.
  • Narrow optical field of view minimizes interference from peripheral objects.
  • Multi-protocol communication support (UART, I2C, IO) for design flexibility.
  • Wide operating voltage range (4.3V to 5.2V DC) compatible with common logic levels.
  • Optimized for low-power, compact applications in robotics and automation.

Applications

  • Drone altitude hold and obstacle avoidance in confined indoor/outdoor spaces.
  • Robotics navigation and dynamic path planning for AGVs and service robots.
  • Smart traffic systems for vehicle flow monitoring and parking space detection.
  • Industrial automation for material level sensing and object counting on production lines.
  • Integration into wearable devices and compact consumer electronics for proximity sensing.

Technical Specifications

Measurement Range0.02 – 7.8 m
Accuracy±4 cm
Refresh Rate50 Hz
Field of View (FOV)2 – 3°
Operating Voltage4.3 – 5.2 V DC
Communication InterfaceUART, I2C, IO
Ambient Light ResistanceUp to 100,000 lux
Dimensions (L×W×H)19.0 × 12.0 × 10.3 mm
Weight1 g

Frequently Asked Questions

What is the operating voltage range for this ToF sensor?

The sensor operates from 4.3V to 5.2V DC. It is designed to be compatible with standard 5V logic systems commonly found on Arduino and Raspberry Pi platforms. Ensure your power supply is stable within this range for optimal performance and accuracy.

What communication interfaces does this module support?

This module supports UART (serial), I2C, and simple digital IO interfaces. The protocol can be selected via configuration, providing flexibility for integration with various microcontrollers like ESP32, STM32, or single-board computers. Detailed wiring diagrams and communication libraries are available from the manufacturer.

How does ambient light affect the sensor's performance?

The sensor is engineered with high ambient light immunity, capable of operating reliably under conditions up to 100,000 lux. This makes it suitable for both indoor and bright outdoor applications, such as drone navigation in sunlight, without significant degradation in measurement accuracy or range.

What is the field of view (FOV) and why is it narrow?

The sensor has a narrow field of view of 2–3 degrees. This focused FOV minimizes interference from objects outside the direct measurement path, reducing noise and increasing accuracy for targeted ranging. It is ideal for applications requiring precise detection of a specific point or surface.

Package Includes

  • 1 x ToF Laser Ranging Sensor
  • 2 x Wiring Cables

Additional Information

Weight 0.001 kg
Dimensions 1.9 × 1.2 × 1.03 cm