DRV8818 4 Axis Stepper Motor Driver Board


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This board is designed based on Texas Instrument DRV8818 Stepper Motor Controller IC

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The DRV8818 provides an integrated stepper motor driver solution for printers, scanners, and other automated equipment applications. The device has two H-bridge drivers, as well as microstepping indexer logic to control a stepper motor


  • Pulse Width Modulation (PWM) Microstepping Motor Driver
  • Built-In Microstepping Indexer
  • Up to 8 Microsteps/Step
  • Step and Direction Control
  • Programmable Mixed Decay, Blanking, and Off Time
  • Up to 2.5-A Current Per Winding

Input Connections: 

DRV8818 Datasheet : 


Microstep Selection:


Current Setting:

To set the max current per phase place voltage meter from gnd to REF.  Then follow table below to get your desired current by adjusting the Cur pot.

0.8V 1A
1.2V 1.5A
2.6V 2A
2V 2.5A


DRV8818 Schematic 4 axis

Board Layout:

board layout 4 axis


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