Five different stepping resolutions: full, half, 1/4, 1/8, 1/16.
Made of high quality material, it is durable and long lasting use. Simple step and direction control interface.
A4988 driver board is widely used in 3D printers and small CNC machines.
Adjustable current control lets you set the maximum current output with a potentiometer.
Crossover-current protection, Load short-circuit protection, ground fault protection.