The stepper motor driver or A4988 driver, is used to control the rotations of the motor of your 3D printer.
The pololu A4988 drivers plug directly into the electronic cards of your 3D printer.
The A4988 driver is delivered with a radiator.
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The stepper motor driver allows you to manage microsteps up to 1/16 of a step, its potentiometer allows you to adapt the current according to the motor used up to 1A per phase.
The nema17 stepper motor driver A4988, is the driver most used in 3D printing with the DRV825 driver, they are compatible with most electronic cards such as ramps 1.4 or MKS Gen 1.4.
Features of the pololu A4988 driver:
• Logic voltage: 3-5.5 V
• Voltage: 8-35 V
• Current: 1 A, maximum 1.75 A with a radiator
• 5 modes: Full, 1/2, 1/4, 1/8, 1/16
• Compatible: Ramps 1.4, MKS gen 1.4 ...