Description

Features:

Thermal shutdown circuitry

3.3 and 5 V compatible logic supply

Thermal shutdown circuitry

five optional step mode: full, 1/2, 1/4, 1/8 and 1/16

Specifications:

Low RDS (ON) outputs

Automatic current decay mode detection / selection

Mixed with slow current decay modes

Synchronous rectification for low power dissipation

Crossover-current protection

Package Include:

4 x A4988 Stepstick Stepper Motor Driver Module

4 x Heatsink

Note:

Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.(More generally, rewiring anything while it is powered is asking for trouble.)