Stepper motors use a cogged wheel and electromagnets to rotate the wheel one ‘step’ at a time. Each HIGH pulse sent to the A4988 stepper driver energises the coil, attracting the teeth closest to the ...

// initialize the library with the numbers of the interface pins ...

If you ever tried to play the arcade version of Arkanoid on an emulator, you may have found the game impossibly hard. And by that I mean impossible. That's because the game was designed to be played ...