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Stepmotor Driver Module v1.1 (HR8825)
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The Stepmotor Driver Module 13.2 V1.1 is a stepper motor driver adapted to the M5 main control, using the STM32+HR8825 stepper motor drive scheme, it provides a 3-way bipolar stepper motor control interface. After stacking the driver with the M5 main controller, the ESP32 internal signal of the main control directly connects to the driver chip, which can give independent control or multi-axis motor linkage. The module integrates the STM32F030F4P6 chip as an IO expansion, provides four sets of input signal terminals, and one set of driver chips to enable control through I2C communication, and can control and monitor the reset and status of the driver chip, which can be used for external limit switch, motor brake function.
The module contains 3 pads to control the subdivision mode of 3 sets of stepper motors to enable the subdivision adjustment of stepper motors. The integrated PWR485 communication interface (RS485 + 9-24V power input) and DC-JACK can be used for communication and the power supply mode will be more flexible. It supports UIFlow graphical programming, the signal output can be easily configured, and the stepper motor can be controlled more precisely. This module is suitable for a variety of stepper motor motion control scenarios, such as printers, robotic arms, etc.
Note: DO NOT plug and unplug the motor with electricity when during use, and all operations should be carried out after the equipment is powered off to avoid damaging the module.
Features
- STM32F030F4P6@: ARM® 32-bit Cortex™-M0 CPU
- Triaxial HR8825 stepper motor driver
- Suitable for bipolar stepper motors
- Each channel has a current regulation potentiometer and can drive up to 1.5A
- Support multiple subdivision modes, up to 1/32 STEP subdivision4 sets of signal input interface
- PWR485 communication interface (RS485 + 9-24V power input) DC-JACK terminal input (9-24V)
- Development platform: Arduino, UIFlow
Specifications
| Resources | Parameters |
| IO expansion chip | STM32F030F4P6 |
| Stepper motor drive chip | HR8825 |
| Support for segmentation mode | FULL, 1/2, 1/4, 1/8, 1/16, 1/32 |
| Maximum drive current for a single channel | 1.5A |
| Input signal terminal specifications | 2.54-2P |
| Motor terminal specifications | 2.54-4P |
| RS485 terminal block specifications | 3.96-4P |
| Operating temperature | 0-40°C |
| Product Size | 54.2 x 54.2 x 13.2mm |
| Package Size | 95 x 65 x 25mm |
| Product Weight | 40g |
| Package Weight | 60g |
Resources
Pinout
| M2 | M1 | M0 | Resolution |
| 0 | 0 | 0 | FULL |
| 0 | 0 | 1 | 1/2 |
| 0 | 1 | 0 | 1/4 |
| 0 | 1 | 1 | 1/8 |
| 1 | 0 | 0 | 1/16 |
| 1 | 0 | 1 | 1/32 |
| 1 | 1 | 0 | 1/32 |
| 1 | 1 | 1 | 1/32 |
Package Contents
- 1x StepMotor Driver v1.1
- 4x 2.54-2P terminals
- 3x 2.54-4P terminals
- 1x 3.96-4P terminals
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