Description
Dual Stepper Motor Driver HAT with HR8825 Controller for Raspberry Pi
The Waveshare HRB8825 Stepper Motor HAT is a powerful motor control expansion board designed for Raspberry Pi and Jetson Nano platforms. Featuring dual HR8825 stepper motor driver ICs, this HAT enables precise control of up to two bipolar stepper motors with support for micro-stepping modes up to 1/32 step resolution.
Designed for robotics, CNC machines, automation systems, camera sliders, and motion control applications, the board offers adjustable motor current up to 2.5A, ensuring compatibility with a wide range of stepper motors. The onboard DIP switches allow easy configuration of micro-stepping modes, while built-in protection features safeguard both the motors and driver circuitry.
With support for external motor power supplies from 8.2V to 28V and an integrated 5V regulator capable of powering the Raspberry Pi, the HRB8825 Stepper Motor HAT provides a complete and reliable motor control solution for advanced embedded projects.
Key Features
- Supports Raspberry Pi series boards and Jetson Nano.
- Dual HR8825 stepper motor driver ICs are onboard.
- Controls up to two bipolar stepper motors.
- Supports micro-stepping up to 1/32 step resolution.
- Adjustable motor current via onboard potentiometers.
- Maximum motor drive current up to 2.5A.
- Integrated 5V regulator for Raspberry Pi power supply.
- Standard 40-pin GPIO interface.
- Built-in over-current, thermal, and under-voltage protection.
- Ideal for robotics, automation, CNC, and motion control projects.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Stepper Motor Driver HAT |
| Model | Waveshare HRB8825 Stepper Motor HAT |
| Motor Controller | Dual HR8825 |
| Compatible Platforms | Raspberry Pi Series, Jetson Nano |
| GPIO Interface | Standard 40-Pin Header |
| Motor Drive Voltage | 8.2V – 28V DC |
| Maximum Drive Current | 2.5A |
| Logic Voltage | 3.3V |
| Micro-Stepping Modes | Full, 1/2, 1/4, 1/8, 1/16, 1/32 Step |
| Current Adjustment | Onboard Potentiometer |
| Protection Features | OCP, TSD, UVLO |
| Power Input | External DC Supply |
| Dimensions | 65 × 56 mm |
Applications
- Robotics projects.
- CNC machines.
- 3D printers.
- Camera sliders and pan-tilt systems.
- Industrial automation.
- Motion control systems.
- Educational robotics.
- Smart manufacturing prototypes.
- Conveyor control systems.
- DIY engineering projects.
Precautions
- Use a suitable external power supply within the specified voltage range.
- Ensure adequate cooling when operating at high currents.
- Verify motor wiring before powering the board.
- Do not exceed the maximum rated current.
- Disconnect power before changing wiring or DIP switch settings.
- Handle the board using proper ESD precautions.