Reed Switch Sensor Module

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Reed switch sensor module.

The magnetic read switch module is dry reed short is a kind of passive electronic switch. As a signal to control the use of magnetic field lines switching devices the reed can be used as a sensor for counting spacing and so on in the security system is mainly used for door sensor window magnetic production but also it is widely used in a variety of communication devices. Ky 025 reed switch module for arduino is a small electrical switch operated by an applied magnetic field commonly used as proximity sensor. Reed switch is an abbreviation of the dry reed contacts a passive electronic switching elements and has the advantages of simple structure small size and ease of control its shell is a sealed glass tube the tubes are installed two iron elastic reed plate but also filling called rhodium metal inert gas.

Digital switching output 0 and 1 ad 025 reed switch module with bolt holes for easy installation ad 025 reed switch module use a wide voltage lm393 comparator pin connection to board. 4 pins package included. The digital out pin is connected to the output pin of the lm393 comparator ic. In our example turn off the buildin led on pin 13 if the sensor is closed.

It consists of a sealed glass envelope where there are two ferrous elastic reeds and is filled with. How to use the reed switch sensor module. 1 x reed switch sensor module. Reed switch is a kind of passive electronic switching component with contacts with a simple structure small size and easy to control.

The comparator output signal clean waveform is good driving ability than 15ma. The module has both digital and analog outputs. A reed module is a magnetic sensor that is normally open and get closed when exposed to a magnetic field. Reed switch sensor module consists of three pins i e.

The module includes a 10 k ohm resistor so no additional parts needed. For this you need to keep a magnet near the sensor. In its simplest and most common form it consists of a pair of ferromagnetic flexible metal contacts in a hermetically sealed glass envelope. A trimmer is used to calibrate the sensitivity of the sensor.

Email to a friend. Using the reed switch sensor module with a microcontroller is very easy. Vcc gnd and do. Specifications the ky 021 mini magnetic reed switch module consists of a 10kω resistor and a small reed switch actuated by a magnetic field commonly used in mechanical systems as proximity sensors.

Mini reed switch module. Working voltage 3 3v 5v output format. The contacts are usually normally open closing when a magnetic field is present or they may be. The reed switch is an electrical switch operated by an applied magnetic field it was invented at bell telephone laboratories in 1936 by walter b.

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