Automatic Following Kits
UWB Following Development Vehicle
STM32 Β· 4WD Β· Open-Source Controller
An STM32 four-wheel following platform for learning and custom development. Supported materials include controller projects, schematics and PDoA anchor/tag documentation, with proprietary module internals excluded.

Specifications
Specifications
Key Specifications
- Drive
- 4WD PWM / Four Hall-Speed Inputs / PID
- Overall Dimensions
- 280Γ230Γ150mm
- Maximum Speed
- 1.2m/s
- Following Distance
- 0.5-20m
- Power Supply
- DC9Vβ12V from three series-connected 18650 cells
- Obstacle Sensors
- Four E18 Infrared Reflective Obstacle Sensors
- Onboard Display
- 0.96-inch OLED
- Following Configuration
- Anchor: ULM3-PDOA; wristband tag: ULM3-SH; angular range: β60Β° to +60Β°; distance range: 0.5β20m
- Additional Features
- Aluminum-alloy chassis; reserved SWD programming interface; eight reserved IO interfaces; onboard buzzer
Detail
Product details










Components
Related components
ULM3-PDOA
ULM3-PDOA Following Anchor
ULM3-PDOA following anchor for compatible Haoru UWB positioning and following systems.
ULM3-SH
ULM3-SH Wristband Tag
ULM3-SH wristband tag for compatible Haoru UWB positioning and following systems.
ULM3-YK
ULM3-YK Remote-Control Tag
ULM3-YK remote-control tag for compatible Haoru UWB positioning and following systems.
FollowAuto
Following Controller Board
Following controller board for compatible Haoru UWB positioning and following systems.
Downloads
Related resources
FAQ
FAQ
Can a following kit be used to build a mobile livestreaming cart?
Yes. Modify the upper tray of a vehicle, or integrate a following kit into a purpose-built livestreaming chassis.
Can I build my own wheels and chassis for a following kit?
Yes. The following kit supports integration into your own chassis. Contact the team to discuss the drive configuration.
Does a motor/drive package include the following firmware?
A drive-only package does not include the following program. It must be used with a following kit.
How can a quadruped robot integrate following?
A ROS2 driver is provided for the supported following kit.
Can the following kit be used with a quadruped or embodied robot?
Yes. It can be integrated into quadruped and embodied-robot platforms.
Can a following kit be integrated into a wheelchair?
Theoretically, integration is possible if space is available for the electronics. A wheelchair application requires its own vehicle-level engineering and acceptance.
PROJECT INQUIRY
Tell Us About Your Project
Share your application, accuracy, distance, quantity or payload requirements. The team responds during working hours, 09:00β18:00 China Standard Time, UTC+8.
Our team will use your contact details to respond to your project inquiry.