This class is for the A4988 Stepper Motor Driver
This class is for controlling stepper motors that are controlled by a 4 pin controller board.
The 28BYJ-48 motor has 512 full engine rotations to rotate the drive shaft once. In half-step mode these are 8 x 512 = 4096 steps for a full rotation. In full-step mode these are 4 x 512 = 2048 steps for a full rotation.