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2. Reed switch - Wikipedia

   en.wikipedia.org/wiki/Reed_switch

   Reed switches can be used to directly switch a variety of loads ranging from nanovolts to kilovolts, femtoamperes to amperes, and DC to radio frequency. Other magnetically-activated switching devices have a limited range of output voltages and currents, and generally do not directly control a final device such as a lamp, solenoid, or motor.

3. Hall effect sensor - Wikipedia

   en.wikipedia.org/wiki/Hall_effect_sensor

   The sensing electrodes measure the potential difference (the Hall voltage) proportional to the axial component of the magnetic field that is perpendicular to both the current's axis and the sensing electrodes' axis. [5] Hall effect sensors respond to static and changing magnetic fields. Inductive sensors instead only respond to changes in fields.

4. Magnetic gear - Wikipedia

   en.wikipedia.org/wiki/Magnetic_Gear

   A magnetic gear is composed of magnets of the type permanent, electromagnetic or otherwise magnetically induced fields. It consists of two or more elements that are usually rotating but can be linear or curve linear in nature. The classical gear is defined as a ratio of pole pairs.

5. Magnets are switching up the keyboard game | TechCrunch

   techcrunch.com/2024/04/07/magnets-are-switching...

   Mechanical switches are very different. They rely on magnets and springs and activate by sensing changes in the magnetic field. Popularized by Dutch keyboard startup Wooting, these switches rely ...

6. Reed relay - Wikipedia

   en.wikipedia.org/wiki/Reed_relay

   A reed relay [i] is a type of relay that uses an electromagnet to control one or more reed switches. The contacts are of magnetic material and the electromagnet acts directly on them without requiring an armature to move them. Sealed in a long, narrow glass tube, the contacts are protected from corrosion. The glass envelope may contain multiple ...

7. Logitech's new mechanical keyboard lets you swap switches ...

   www.engadget.com/2019-10-01-logitech-mechanical...

   The PRO X Mechanical Gaming Keyboard will retail at $149.99 and the PRO Mechanical Gaming Keyboard (without the swappable microswitches) will cost $129.99. Programmers, power users and gamers can ...

8. The best multi-device wireless chargers you can buy - Engadget

   www.engadget.com/best-multi-device-wireless...

   Buy an iPhone 12 or newer and you can attach your phone magnetically using MagSafe, while the latest Android phones often have some form of fast wireless charging. However, it’s not simply a ...

9. Mad Catz's new mice have mechanical switches with a 2ms ...

   www.engadget.com/mad-catz-rat-dws-bat-6plus...

   However, this month Mad Catz announced two optical gaming mice with switches that the company hopes you will think about a bit more, promising a 2ms response time thanks to some new technology ...