With almost all hobby-grade servos, there is no way of knowing how the output shaft is oriented. If you want feedback in terms of a knob or shaft position you will need a shaft (or rotary) encoder. There are many possibilities.
With almost all hobby-grade servos, there is no way of knowing how the output shaft is oriented. If you want feedback in terms of a knob or shaft position you will need a shaft (or rotary) encoder. There are many possibilities.