A3144 Hall Effect Sensor Circuit

Thats nice but what does it do.

A3144 hall effect sensor circuit. Hall sensors works on the principle of hall effect proposed by edwin hall in 1869. Applications of hall. A hall effect sensor as then name suggests works with the concept of hall effect as well as is utilized to discover magnets. Holding a magnet near the sensor will cause the output pin to toggle.

This ic can detect magnetic fields. The a3144e us1881 is an integrated hall effect latched sensor. Control a relay with arduino and hall effect sensor. The digital output pin is connected to the output pin of the lm393 comparator ic while the analog pin is connected to the hall effect sensor.

Vcc gnd do ao. This is primarily a magnetic switch that opens when placed near a magnetic field. A reed sensor also works nicely but can be limited by the glass encapsulation and size. A3144 is a digital output hall sensor meaning if it detects a magnet the output will go low else the output will remain high.

This makes for a robust presence sensor. The statement proposed says the hall effect is the production of a voltage difference the hall voltage across an electrical conductor transverse to an electric current in the conductor and to an applied magnetic field perpendicular to the current. The internal circuit diagram of the hall effect sensor module is given below. A3144 hall effect sensor belongs to the special class of sensors that measure the magnetic field.

The circuit diagram for controlling a 5v relay module with hall effect sensor and arduino is shown below. Hall effect sensor module consists of four pins i e. How to use the hall effect sensor module. There are two main types of hall effect sensor one which gives an analog output and the other which gives a digital output.

Where to make use of hall effect sensor. We will then connect this ic to an arduino so that we the arduino can read the voltage output by the a1302 and we can display the readings to the computer screen. How to use hall effect sensor. The working of this circuit is very simple.

To recognize why these specifications are very important read even more. The hall effect sensor we will use in this circuit is an a1302 hall effect sensor manufactured by allegro. It is also mandatory to use a pull up resistor as shown below. Whenever the hall effect sensor is subjected to a magnetic field it toggles the relay as per the code.

A3144 is a digital output hall sensor meaning if it detects a magnet the output will go low else the output will remain high.