Hall Effect Sensor A3144
Hall Effect Sensor A3144 – A digital unipolar Hall effect switch sensor that detects the presence of a magnetic field. Operates on 4.5–24 V and outputs a clean digital signal (LOW when a magnetic field is detected). Features fast response, built-in hysteresis for stable switching, and is ideal for non-contact position, speed, and proximity sensing applications. Compact 3-pin design for easy integration with microcontrollers like Arduino and Raspberry Pi.





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