Microbit | Sensor Series 17 – Reed Switch Sensor

Microbit | Sensor Series 17 - Reed Switch Sensor

01 Introduction A reed switch, also known as a reed relay, is a type of sensor that controls the opening and closing of a switch through the application of a magnetic field. It was invented at Bell Labs in 1936, consisting of two ferromagnetic metal strips placed within a glass tube filled with inert gas. … Read more

DIY Door-Controlled Switch for Lights

DIY Door-Controlled Switch for Lights

The bathroom is a place we visit every day. Turning the light on and off when entering and exiting can be quite a hassle. Sometimes, we forget to turn off the light, wasting electricity. Here, we introduce a door-controlled switch circuit that is simple to make. After installing this door-controlled switch in your home bathroom, … Read more