THall effect sensor can be used to sense the speed and position of a rotating motor.

The DC motor speed sensors are based on using the Hall element to sense the change influx in the air gap between a magnet and a notch in a rotating shaft. The main advantage of Hall effect speed sensors is that they are a non-contact sensor that is not limited by mechanical wear. The circuitry inside the sensor typically consists of a pulse counter to provide an output signal that can be directly connected to the motor controller.

Model: NOCO-SS-1020
Applied to: XQ series DC seperately excited motors (also widely used in other motor models)
Operating temperature range: -50°C to +125°C
Connector: 3-Pin waterproof type (other connector type is available)
Wiring (example: DC SepEx Motor Controller Assemblage, Model: 1268-5403):
Red wire: power +
Black: power -
Green: speed signal

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