Stepper driver module, Pololu A4988 black edition

This is the Black Edition Pololu A4988 driver, with improved thermal dissipation.  It is capable of up to 2 A per winding (with adequate cooling), and about 1.2 A without additional cooling.  Power supply voltage: 8 to 35 V.

Please see the Pololu product page for more details, including schematics, adjustment instructions and warnings.

For optimum heat dissipation, you can assemble it with our long headers and stick a small heatsink on the underside of the board!