Overview
This WitMotion TOF/dTOF LiDAR sensor module provides 360° rotating scanning for outdoor robotics sensing tasks such as mapping, navigation, and obstacle avoidance. It is designed for high ambient-light environments (up to 60KLux, model dependent) and supports ROS1/ROS2 integration, with UART communication for embedded platforms such as Arduino/STM32 (integration depends on the host system and drivers).
Key Features
- TOF ranging with 360° rotation/scanning
- Outdoor anti-ambient light intensity up to 60KLux (model dependent)
- Sampling frequency up to 5000Hz (model dependent)
- ROS1/ROS2 compatibility; SDKs and ROS development documents are provided
- UART serial communication; 230400bps communication rate
- Built-in brushless motor driving method; stated motor lifetime over 10,000 hours
- Supports scanning motor start/stop control to reduce power consumption when idle
- Data content includes: Angle, Distance, Intensity (COIN-D6)
- 4-pin 1.5mm standard interface for power, rotation control, and data reception (COIN-D6)
- 3D model is provided (COIN-D6)
Specifications
Model Comparison (TOF LiDAR)
| Model | D6 LiDAR | D300 LiDAR | D500 LiDAR |
| Ranging Principle | TOF Ranging | ||
| Scanning Angle | 360° | ||
| Sampling Frequency | 4000Hz | 4500Hz | 5000Hz |
| Measurement Angle Accuracy | 0.9° | 0.8° | 0.72° |
| Scanning Frequency | 10Hz | 5-13Hz | 6-13Hz |
| Anti-Ambient Light Intensity | 30KLux | 30KLux | 60KLux |
| Dimensions | 52.7mm*45.2mm*34.4mm | 39.59mm*39.59mm*34.8mm | 39.59mm*39.59mm*34.8mm |
| Weight | 40g | 42g | 45g |
| Ranging Accuracy | ±40mm (0.05-12m) | ±45mm (0.02-12m) | ±20mm (0.03-12m) |
| Measurement Radius | Black Object: 12m | Black Object: 13.4m | White Object: 12m; Black Object: 8m |
| Minimum Range | 0.05m | 0.02m | 0.03m |
| Communication Rate | 230400bps | ||
| Communication Interface | UART | ||
| Driving Mode | Built-in Brushless Motor | ||
Guoke Optics COIN-D6 LiDAR (Detailed Parameters)
| Ranging Principle | TOF Ranging |
| Sampling Frequency | 4000 times/s |
| Scanning Frequency | 10Hz |
| Scanning Angle | 360° |
| Angle Resolution | 0.9° |
| Measurement Range | 0.05-12m |
| Ranging Accuracy | ±10mm (0.05-1m); ±40mm (1-12m) |
| Driving Method | Brushless Motor |
| Communication Interface | Standard Asynchronous Serial Port (UART) |
| Baud Rate | 230400bps |
| Light Source | 905nm Laser |
| Data Content | Angle, Distance, Intensity |
| Certification | Class IEC-60825-1 |
| Lifespan | 10000H |
| Operating Temperature | -10~50°C |
| Storage Temperature | -30~70°C |
| Dimensions | 52.7x45.2x34.4mm |
| Weight | 40g |
| Light Environment | 60000Lux |
| ROS Support | ROS1/ROS2 |
| Supply Voltage | Minimum: 4.5V, Typical: 5.0V, Maximum: 5.5V |
| Windows Support | Provide Windows Host Testing Software |
| Motor Start/Stop Control | Supports motor start/stop control to reduce power consumption when idle |
COIN-D6 Interface (4-pin, 1.5mm)
| VCC | Power supply pin, supports 4.5~5.5V |
| GND | Power ground pin |
| RXD | UART receive pin |
| TXD | UART transmit pin |
For pre-sales compatibility questions (model selection, wiring, ROS package/SDK notes), contact support via https://rcdrone.top/ or email support@rcdrone.top.
Applications
- Autonomous vehicles and drones: navigation, obstacle avoidance, path planning (outdoor)
- Robotics and industrial automation: mapping, localization, object detection; ROS1/ROS2 projects
- Smart agriculture and environmental monitoring: terrain mapping and drone-based surveying
- Perimeter monitoring and site safety systems requiring 360° ranging data
- Research and development: robotics and autonomous system prototyping and testing
Integration Notes
- Coordinate system description (COIN-D6): left-hand rule; origin at the rotation center of the ranging core; rotation angle increases clockwise.
- Motor control note: the scanning motor supports start/stop control to minimize standby drain when not in use.
Details

Compare key differences across the D6, D300, and D500 TOF LiDAR options before selecting a scanning module for your robot.

Built for mobile robotics projects, the D6 supports 360° scanning and is positioned for ROS1/ROS2 workflows.

Mechanical dimensions and mounting layout help with enclosure design and bracket planning.

Core specifications include TOF ranging, 360° scanning, UART serial communication, and reported motor lifetime details.

The 4‑pin 1.5 mm connector carries power plus UART TX/RX for data output and integration.

Angle output follows a defined coordinate convention to keep mapping and navigation math consistent.

A 3D model is provided to speed up CAD fit checks and mechanical iteration.

Time‑of‑flight ranging supports continuous scanning data for tasks like obstacle avoidance and mapping.

Distance is derived from the laser pulse round‑trip time, supporting fast updates for real‑time perception.

Detection range is highlighted from 0.05 m up to 12 m for indoor and outdoor robotics sensing needs.

Higher ambient‑light resistance and a brushless motor design help maintain scanning stability outdoors.

Compact form factor makes it easier to mount on small UGVs and lightweight robotics platforms.

ROS1/ROS2 support materials are emphasized alongside key performance specs for development planning.

SDKs and documentation are positioned for ROS1/ROS2 integration, depending on your host platform and drivers.

Motor start/stop control can reduce idle power draw, which is useful for battery‑powered robots.

Along with angle and distance, intensity output can support additional perception and tuning workflows.

Continuous 360° rotation helps generate environmental contour maps and obstacle point clouds.

Embedded integration resources include STM32 application examples for UART data handling and development.

The included host computer software provides a circular scan view with point cloud data for quick LiDAR setup and debugging.

WitMotion’s 360° TOF LiDAR is positioned for developer builds with support for ROS1/ROS2, Raspberry Pi and NVIDIA Jetson platforms, plus STM32 control.

WitMotion 360° TOF LiDAR is commonly used for navigation and obstacle detection across home, commercial, special, and industrial robots, as well as UAV platforms.

The download package includes D6 LiDAR manual materials, ROS/ROS2 function package materials, STM32 driver code, Windows host software, and LiDAR 3D model files.

The 360° TOF LiDAR kit includes the COIN-D6 LiDAR unit along with a UART module and Dupont cable for quick connection.
