We make rotational encoder, likewise called a pole encoder which is an electro-mechanical gadget that changes over the rakish position or movement of a pole or pivot to simple or advanced yield signals. Incremental Encoders yield a heartbeat string as indicated by the rotational removal of a hub. The quantity of turns can be distinguished by checking the quantity of heartbeats. Total Encoders yield the rotational point utilizing a flat-out code. The rotational position can be recognized by perusing the code. This wipes out the need to come back to the beginning at startup. These encoders are made with hearty materials guaranteeing long administration life of the item.