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  1. Reed switch - Wikipedia

    The reed switch[i] is an electromechanical switch operated by an applied magnetic field. It was invented in 1922 by professor Valentin Kovalenkov at the Petrograd Electrotechnical …

  2. How reed switches work (magnetically operated switches)

    Mar 17, 2025 · An easy-to-understand explanation of how reed switches are triggered by magnets and a look at some typical uses.

  3. What is a Reed Switch and How Does it Work? | Arrow.com

    Aug 14, 2018 · Reed switches are a traditional and simple, yet effective sensing solution. Using magnetic fields, reed switches employ a reliable technology that powers devices like burglar …

  4. What is a Reed Switch and How Does it Work? | Standex Detect

    What is a Reed Switch and How Does it Work? A reed switch is an electromechanical device with two ferromagnetic blades sealed in glass, enabling reliable switching in nearly any …

  5. A Complete Guide to Reed Switches - RS Components

    Feb 1, 2023 · This expert guide focuses on reed switches, explaining in detail what reed switches are, their applications, how they work, and so much more.

  6. Reed Switch: Working Principle and Applications Explained

    What is a Reed Switch? A reed switch is a magnetically activated mechanical switch. It consists of two metallic contacts enclosed in a small enclosure, usually a glass capsule. The contacts are …

  7. What Are Reed Switches and How Do They Work?

    Sep 5, 2025 · What Is a Reed Switch and How Does It Operate? A reed switch consists of two or three thin ferromagnetic reeds sealed in a glass envelope. When exposed to a magnetic field, …

  8. Reed Switch Hookup Guide - SparkFun Learn

    We used a reed switch to detect when the doors of this TARDIS-themed music box opened. Or you can hook a large, door-specific reed switch up to a Blynk Board and have it send push …

  9. Reed Switches – Electricity – Magnetism

    Oct 26, 2023 · A reed switch is an electrical switch that is operated by an applied magnetic field. Designed by Bell Telephone Laboratories in 1936, this unique device plays an integral role in a …

  10. Understanding Reed Switches Uses, Types, and Applications

    Apr 27, 2025 · In this article, you will learn what a reed switch is, how it works, the different types, and where it is used today. We will also talk about its advantages, reed relays, and how it …