Posts tagged with PiShop

Relay switch modules

Posted | Updated 27 January 2018
Filed under Electronics

Relay switch modules are used as high-voltage AC switches using DC power. It is made up of a relay, screw terminals, a resistor, diode, capacitor, transistor and LED.

Magnetic door sensors

Posted | Updated 1 June 2021
Filed under Electronics

Introducing Magnetic door sensors

Magnetic door sensors can establish if a door is open or closed and are commonly used in alarm systems to trigger the opening and closing of doors and windows.