A4988 3D Printer Stepper Motor Driver Controller with Expansion Board

  • $2.89


This expansion board includes an A4988 stepper motor driver providing for straightforward hookup to your Ardiuno or other micorcontroller and stepper motors.

The jumpers 1-3 correspond to the A4988's MS1, MS2 and MS3 settings to control the step resolutions.
The JST connector Jm is connected to the motor(s), pins 1-4 correspond to 1B, 1A, 2A and 2B, respectively.
Jv is the support power supply, connected to 5V and 9V-24V power supply.
Jc's ESDG respectively corresponding to connected EnableStepDirGnd drive signal output.

Expansion Board Specifications:

  • Color: Red
  • Size: Approx. 43 x 35 x 10mm

A4988 Board Specifications:

  • Minimum operating voltage: 8V
  • Maximum operating voltage: 35V
  • Continuous current per phase: 1A
  • Maximum current per phase: 2A (with cooling)
  • Minimum logic voltage: 3V
  • Maximum logic voltage: 5.5V
  • Thermal shutdown circuitry
  • Ground fault protection
  • Load short-circuit protection
  • Microstep resolutions: Full, 1/2, 1/4, 1/8 and 1/16

Package contents:

1x A4988 Expansion Board
1x A4988 Stepper motor driver module
1x A4988 Heatsink
Printed Operation and Programming Instructions

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