A4988 Stepper Motor Driver Carrier

Pololu item #: 1182 390 in stock
Brand: Pololu
Status: Active and Preferred 
Free add-on shipping in USA 

Price break Unit price (US$)
1 5.95
5 4.95
25 4.49
100 3.95


backorders allowed

This breakout board for Allegro’s A4988 microstepping bipolar stepper motor driver features adjustable current limiting, over-current and over-temperature protection, and five different microstep resolutions (down to 1/16-step). It operates from 8 V to 35 V and can deliver up to approximately 1 A per phase without a heat sink or forced air flow (it is rated for 2 A per coil with sufficient additional cooling). This board ships with 0.1″ male header pins included but not soldered in.

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 Description Specs (12) Pictures (8) Resources (8) FAQs (4) On the blog (4) 

A4988 stepper motor driver carrier with included hardware (shown with original green 50 mΩ current sense resistors).

A4988 stepper motor driver carrier (shown with original green 50 mΩ current sense resistors).

A4988 stepper motor driver carrier, top view (shown with original green 50 mΩ current sense resistors).

Pololu A4988 stepper motor driver carrier with included header pins soldered (shown with original green 50 mΩ current sense resistors).

Schematic diagram of the A4988 stepper motor driver carrier (both green and black editions).

Minimal wiring diagram for connecting a microcontroller to an A4988 stepper motor driver carrier (full-step mode).

A4983/A4988 stepper motor driver carrier with dimensions.

Identification of original 50 mΩ sense resistors (left) and 68 mΩ sense resistors (right) introduced in January 2017.


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Related Categories

A4988 Stepper Motor Driver Carriers
Stepper Motors
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Wires with Pre-Crimped Terminals
Solderless Breadboards
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