This circuit allows you to modify your normal EQ Mount into GOTO.

What is EQ mount, An equatorial mount is a mount for instruments that compensate for Earth's rotation by having one rotational axis parallel to the Earth's axis of rotation. This type of mount is used for astronomical telescopes and cameras. The advantage of an equatorial mount lies in its ability to allow the instrument attached to it to stay fixed on any celestial object with a diurnal motion by driving one axis at a constant speed. Such an arrangement is called a sidereal or clock drive.

so this Circuit makes controls the NEMA 17 motors and counteracts the rotation of the earth.

this circuit is online also I just designed it for PCB for competition it's called on step project.

it has wifi connectivity also camera shutter control for click long exposures.

a goto mount is used for deep space photography and planetary photography.