Wanna add a motor to drive your telescope focuser ? Probably yes and due to the fact that your equatorial mount is not as stable as you expected and just by touching the manual focuser, you get a very ...

A stepper motor is a type of DC motor that works in discrete steps and is used everywhere from a surveillance camera to sophisticated robots and machines. NEMA 17 stepper motor provide accurate ...

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 ...