A4988 Stepper Motor Driver Carrier
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.
Alternatives available with variations in these parameter(s): header pins soldered? bulk packaged?
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This DXF drawing shows the locations of all of the board’s holes. It applies to both the green (md09b) and black (md09c) editions of the A4988 stepper motor driver carrier.