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Reed Switch

Reed Switch

Regular price Rs. 54
Regular price Rs. 72 Sale price Rs. 54
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  • Clean, good waveform driving ability, more than 15mA.
  • Working voltage 3.3V-5.
  • LEDs indicating output and power
  • Output format: digital switching output (0 and 1).
  • Easy to use with Microcontrollers or even with normal Digital/Analog IC

Reed Switch

A reed switch sensor module is a sensor that closes the circuit in the presence of a magnetic field. Reed sensors can be used in many applications where contactless on/off is required. However, reed switches can be fragile to use directly, hence this module can make it easier to handle and mount the sensor in various applications.

This module can be applied in Program-controlled switches, copiers, washing machines, refrigerators, cameras, Disinfection cabinet, door, window magnetic, electromagnetic relays, electronic weighing, level meter, gas meter, water meter and so on.

Reed Switch Sensor Module consists of three pins i.e. VCC, GND, and DO. The digital out pin is connected to the output pin of the LM393 comparator IC. Using the Reed Switch sensor module with a microcontroller is very easy. Connect the Digital Output pin of the module to the Digital pin of Microcontroller. Connect VCC and GND pins to 5V and GND pins of Microcontroller. When the Reed Switch sensor detects the magnetic field, it closes the circuit and the digital pin of the module that is connected to the LM393 IC goes high.


  • Photocopiers
  • Washing machines,
  • Refrigerators
  • Door Magnets
  • Electromagnetic Relays, Electronic Weighing devices, Level Meters, etc.

Package Includes:

  • 1 x Reed Switch


Working voltage 3.3V-5V
Comparator LM393 comparator
Output format 0 and 1
Dimensions  3.2cm x 1.4cm
Weight 5 grams

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

For more details, please check our Shipping and Return Policy

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1. How does a reed sensor work?

  • A Reed switch is a pair of electrical contacts that, when touched, form a closed circuit and, when separated, form an open circuit. Reed switches serve as the foundation for reed sensors. Reed sensors have a switch and a magnet that power the contacts' opening and closing.

2. What is the purpose of a reed switch?

  • A Reed switch is a type of electromagnetic switch that regulates the flow of electricity in a circuit. They are constructed from two or more ferrous reeds encased within a small glass tube-like envelope, which become magnetized and move together or separately when a magnetic field is applied to the switch.

3. Where can I use the Reed switch?

  • This Reed switch is suitable for use in program-controlled switches, copiers, washing machines, refrigerators, cameras, disinfection cabinets, doors, window magnetic, electromagnetic relays, electronic weighing, level meters, gas meters, water meters, and other similar applications.

4. How to interface the Reed switch to a microcontroller?

  • It is very simple to use the Reed Switch sensor module with a microcontroller. Connect the module's Digital Output pin to the Microcontroller's Digital pin. Connect the VCC and GND pins to the Microcontroller's 5V and GND pins. When the Reed Switch sensor detects a magnetic field, the circuit is closed and the module's digital pin connected to the LM393 IC goes high.