Stepper motor control driver (red)

Model: A4988.
Simple step and direction control interface, take anti-static measures before you use the A4988 modules in case of short-circuit.
Five different step resolutions: full-step, half-step, quarter-step, eighth-step, and sixteenth-step.
Output drive capacity of up to 35 V and ± 1.2 A
Adjustable current control lets you set the maximum current output with a potentiometer.
Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay).
Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection.