but with a stepper motor-like interface. By stacking some small PCBs behind the motor body, it was possible to squeeze a DRV8837 DC motor driver and a pair of hall effect sensors on the first PCB ...

While that motor was well suited, [Clough42] picked a significantly lower-cost servo motor from China which he dubbed the “Stepper Killer ... and connections on the interface PCB first.

LCD display interface, servo and stepper motor interface using STM 32. In-take Eligibility Criteria: Engineering / Diploma / Science Students & Graduates with Electronics Background. IIT Delhi ...