EasyDriver stepper motor driver V4.4

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Each EasyDriver can drive up to about 750mA per phase of a bi-polar stepper motor. It defaults to 8 step microstepping mode.(So if your motor is 200 full steps per revolution, you would get 1600 steps/rev using EasyDriver.) It is a chopper microstepping driver based on the Allegro A3967 driver chip. For the complete specs of the design, read the A3967 datasheet. It has a variable max current from about 150mA/phase to 750mA/phase. It can take a maximum motor drive voltage of around 30V, and includes on-board 5V regulation, so only one supply is necessary. The best part - low cost. The parts cost is maybe $10, less if you make the board yourself.

-- above text and all designs are from Brian Schmalz's Project page.

Technical details

Dimensions 0mm x0mm x0mm
Weight G.W 8g
Battery Exclude


HSCODE 8503001000
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  • I have tried the exact setup described on http://www.schmalzhaus.com/Eas..., using the code from example 2 - but the motor only turns in one direction.

    Question by: admin on 2018-12-18 02:38:54

    Hi Mihai, sorry for the late reply, we will check it and confirm what is the issue. Before this, you could use Sys v. 1.51, App v. 2.52 first. Thanks for your feedback .

    Answer by: admin on 2018-12-18 02:38:54
  • Question by: admin on 2018-12-18 02:38:54

    Hi,Dear.You can keep in touch with our custom service(jianye.huang@seeedstudio.com),he'll help you with purchase.

    Answer by: admin on 2018-12-18 02:38:54
  • Question by: admin on 2018-12-18 02:38:54

    Hi Jason , very sorry that we can provide the documentation of what is the difference of app1.0 because we are not the designer and I have contact to the supplier , but they can't provide this to us .

    Answer by: admin on 2018-12-18 02:38:54