HRB8825 Stepper Motor HAT For Raspberry Pi
HRB8825 Stepper Motor HAT For Raspberry Pi has a 5-10 day lead time before dispatch. Order will only be sent once all items are available for delivery.
HRB8825 Stepper Motor HAT For Raspberry Pi
Features
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
- Onboard dual HR8825 motor controller IC with built-in microstepping indexer, drives two stepper motors, easy to use
- 6 available microstepping modes, configured with the DIP switches: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
- Adjustable motor drive current via potentiometer, maximum 2.5A current output
- Protection features: Overcurrent Protection (OCP), Thermal Shutdown (TSD), VM Undervoltage Lockout (UVLO)
- Integrates 5V regulator, allows providing power to Raspberry Pi
- Onboard multi connector options for stepper motors in different specifications
- Comes with development resources and manual (examples in BCM2835, wiringPi, and python)
Specifications
| Motor controller | HR8825 |
|---|---|
| Motor drive voltage | 8.2V~28V |
| Motor drive current | 2.5A |
| Logic voltage | 3.3V |
| Mounting hole size | 3.0mm |
| Dimension | 65 × 56mm |
6 available microstepping modes
Configured via the DIP switches:
full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
| MODE2 | MODE1 | MODE0 | Motor Microstepping Setting |
|---|---|---|---|
| 0 | 0 | 0 | full-step |
| 0 | 0 | 1 | half-step |
| 0 | 1 | 0 | 1/4-step |
| 0 | 1 | 1 | 1/8-step |
| 1 | 0 | 0 | 1/16-step |
| 1 | 0 | 1 | 1/32-step |
| 1 | 1 | 0 | 1/32-step |
| 1 | 1 | 1 | 1/32-step |
Onboard Different Stepper Motor Interfaces
Easy access to stepper motors in different specifications
| Pin | Motor Interface Description |
|---|---|
| VIN | 8.2~28V Power Input |
| 5V | 5V Power |
| GND | Ground |
| A1 | Output 1 terminal of bipolar stepper motor M1 winding A |
| A2 | Output 2 terminal of bipolar stepper motor M1 winding A |
| B1 | Output 1 erminal of bipolar stepper motor M1 winding B |
| B2 | Output 2 terminal of bipolar stepper motor M1 winding B |
| A3 | Output 1 terminal of bipolar stepper motor M2 winding A |
| A4 | Output 2 terminal of bipolar stepper motor M2 winding A |
| B3 | Output 1 terminal of bipolar stepper motor M2 winding B |
| B4 | Output 2 terminal of bipolar stepper motor M2 winding B |
1. Raspberry Pi GPIO interface
Can be connected to various Raspberry Pi HATs
2. Motor interface
Three different specifications of the motor interface, easy to use
3. MP1482 power chip
External power supply can be converted into 5V voltage to power the Raspberry Pi
4. HR8825 motor driver chip
Can drive two stepper motors
5. External power supply interface
8.2V ~ 28V DC power input
6. Motor power switch
You can choose whether the module supplies power to the Raspberry Pi
7. DIP switch
For setting 6 different step resolutions
8. Potentiometer
Adjustable motor drive current
Dimensions
This product can be found here:
