A3967 Stepper Motor Driver For Arduino
The A3967 Stepper Motor Driver module requires a 7V to 30V power supply for a motor. The module has an onboard voltage regulator for the digital interface that can be set to 5V or 3.3V. It connects a 4-wire stepper motor and a microcontroller and you’ve got precision motor control! EasyDriver drives bi-polar motors and motors wired as bi-polar. i.e. 4, 6, or 8 wire stepper motors. The microstep select (MS1 and MS2) pins of the A3967 are broken out allowing adjustments to the micro-stepping resolution. The sleep and enable pins are also broken out for further control.
Note: Do not connect or disconnect a motor while the driver is energized. This will cause permanent damage to the A3967 IC.
A3967 Stepper Motor Driver For Arduino
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- Product SKU: KG115
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Specification
Description
This A3967 Stepper Motor Driver For Arduino is the latest version of EasyDriver v44 co-designed with Brian Schmalz. It provides greater flexibility and control over your stepper motor compared to the older versions. It is compatible with 4, 6, and 8 wire stepper motors of any voltage. It is a simple to use stepper motor driver, compatible with most microcontrollers that can output a digital 0 to 5V pulse (0 to 3.3V pulse if you solder SJ2 closed on the EasyDriver).The A3967 Stepper Motor Driver module requires a 7V to 30V power supply for a motor. The module has an onboard voltage regulator for the digital interface that can be set to 5V or 3.3V. It connects a 4-wire stepper motor and a microcontroller and you’ve got precision motor control! EasyDriver drives bi-polar motors and motors wired as bi-polar. i.e. 4, 6, or 8 wire stepper motors. The microstep select (MS1 and MS2) pins of the A3967 are broken out allowing adjustments to the micro-stepping resolution. The sleep and enable pins are also broken out for further control.
- A3967 microstepping driver
- Compatible with 4, 6, and 8 wire stepper motors of any voltage
- Power supply range from 7V to 30V. The higher the voltage, the higher the torque at high speeds
- Connect a 4-wire stepper motor and a microcontroller and you've got precision motor control!
Note: Do not connect or disconnect a motor while the driver is energized. This will cause permanent damage to the A3967 IC.
Technical Details
- Input Supply Voltage (VDC) : 7 to 30
- Logic Input (V) : 3.3 ~ 5
Physical Attributes
- Length × Width (mm) : 48 × 20
- Weight (gm) : 4
Integration with Arduino

Sample Code
Additional Details
- Adjustable current control from 150mA/phase to 750mA/phase.
- A3967 microstepping driver.
- MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth).
- Compatible with 4, 6, and 8 wire stepper motors of any voltage.
Product Video
Documentation
Tutorial :
Package Includes
- 1 x A3967 Stepper Motor Driver For Arduino