Hall Effect sensors are widely used. Hall Effect sensors have many new applications. These include motion sensors and wheel speed for automobiles, and switch, MEMS compasses, and proximity sensors. These Hall Effect current sensors occur by bringing a magnetic force applied to a conductor and current flows through it which causes charge carriers to deflect and produce a measured voltage. There are two kinds of Hall Effect sensors: analog and digital output sensors. Digital sensors are digital two-state output sensors which feature two output states. They are useful for detection and limit switches in automated industrial systems. Analog sensors are continuous linear and may be utilized to determine proximity. Hall Effect sensors are also employed to determine the speed of a wheel and determining the position of the crankshaft or camshaft within engine systems. It is possible to use Hall effect sensors in many applications from automobile sensors to medical equipment. These sensors are more reliable, accurate, and durable than other magnetic sensors and they are frequently preferred in many situations. ojgdehyr49.