This is the Onstep telescope controller system. Version Max 1.135
It has usb
2 x stepper drivers using tmc2130 dvrs
focus stepper driver
rotator stepper driver
PEC sensor input including optical sensor pcb
hand controller input for either simple paddle or intelligent controller optional
fully compatible with ascom standards and indi.
The software is fully upgradable and can be configured for any mount even DIY mounts.
If more info is required you can read about it on
https://onstep.groups.io/g/main/wiki/3860
$120