Reed Switch Archives - ArduinoModulesInfo

KY-025 Reed Switch Module

December 15, 2021November 6, 2018 by ArduinoModules Magnetic, Switches & Input 1 Comment

The KY-025 Reed Switch Module is a small electrical switch operated by an applied magnetic field, commonly used as proximity sensor. The module has both … Read more

KY-021 Mini Magnetic Reed Switch Module

December 3, 2021November 27, 2017 by ArduinoModules Magnetic, Switches & Input 5 Comments

The KY-021 Magnetic Reed Switch module is a switch that is normally open and gets closed when exposed to a magnetic field, sending a digital … Read more