TurtleBot4 TB4 Lite Educational Robot

TurtleBot4 TB4 Lite educational robot

The TurtleBot4 TB4 Lite is a mobile robotics platform designed for education and research, providing a solid foundation for learning robotics with the support of the ROS 2 system. Compact and equipped with a variety of sensors, it is ideal for projects requiring high integration and customization.

The TurtleBot4 TB4 Lite is based on the iRobot® Create® 3 educational robot and enhanced with infrared sensors, a 26Wh Li-ion battery, and full integration with ROS 2. This platform offers a hands-on approach to robotics, allowing users to develop skills in programming, autonomous navigation, and interaction with the environment.

• Precise navigation: Equipped with an IMU, optical ground tracking sensor and wheel encoders for precise positioning and location.
• Easy Integration and Customisation: Compatibility with ROS 2 and a Raspberry Pi 4 computer allows easy integration of additional sensors and accessories.
• High Payload Capacity: Can support a payload of up to 15 kg, offering great flexibility for robotics projects.
• Extended autonomy: A Li-ion battery guarantees autonomy of 2h30 to 4h, ideal for extended learning and research sessions.

Features of the TurtleBot4 TB4 Lite robot

• Dimensions and weight: With dimensions of 341 x 339 x 192 mm and a weight of 3.3 kg, it is designed to be easily transportable.
• Motion Performance: Capable of moving at speeds of up to 0.31 m/s, enabling smooth and efficient navigation.
• Camera and LiDAR: Equipped with an OAK-D-LITE camera and RPLIDAR-A1 LiDAR for advanced environmental perception.
• Software support: Supplied with ROS 2 pre-installed and configured, along with full documentation and tutorials for a quick start.

The TurtleBot4 TB4 Lite is a versatile and accessible robotics platform, perfect for those looking to explore the world of robotics with a hands-on approach. Whether you're an educator, student or researcher, the TB4 Lite provides the tools you need to develop advanced robotics skills, while offering the flexibility to customise and extend its capabilities according to the needs of the project.

Turtlebot 4 Lite: technical specifications

• Dimensions: 341 x 339 x 351 mm (13.4 x 13.3 x 13.8 in)
• Weight: 3.9 kg (8.6 lbs)
• Wheel diameter: 72 mm (0.55 in)
• Ground clearance: 4.5 mm (0.17 in)
• Max. working load Max working load: 15 kg
• Max. speed: 0.31 m/s (safe mode), 0.46 m/s (slope sensor deactivated)
• Max. rotation speed 1.90 rad/s
• Battery: 26 Wh Lithium Ion (14.4V nominal) rechargeable
• Charging time: 2.5 h
• Autonomy: 2.5 - 4 h
• Power supply: VBAT @ 300mA, 12V @TBD mA, 5V @ 500mA 3.3V @ 250mA
• Charging station included
• Raspberry Pi 4B (4 GB)
• 2D LiDAR: RPLIDAR-A1
• 0.15-12m range; 8kHz sampling rate / 360 degrees / 1° angular resolution) / CAMERA: OAK-D-PRO
• 2x front bumper zones,
• 2x wheel encoders,
• 4x IR slope sensors,
• 6x IR obstacle sensors,
• 1x downlink optical flow sensor for odometry,
• 1x 3D gyroscope,
• 1x 3D accelerometer,
• 1x battery level monitor
• 2x motors,
• 6x RGB LED rings
• 1x speaker,
• 5 status LEDs
• 2 user LEDs,
• 128x64px OLED screen
• Ubuntu 20.04, ROS 2

Ressources

• User manual : https://turtlebot.github.io/turtlebot4-user-manual/
• Mechanical integration : https://turtlebot.github.io/turtlebot4-user-manual/mechanical/
• Electrical integration : https://turtlebot.github.io/turtlebot4-user-manual/electrical/