This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

Alternatively, if you prefer standalone deployment (without Home Assistant), you can manage it via the web browser. In addition to the basic relay function to control the AC-powered appliances, it ...

Greetings and welcome to the user manual for your newly updated Phase Diagrams Understanding The Basics. This manual is specifically designed to help you get the most out of your product by providing ...

When the liquid level falls beyond the longer (lower) electrode, the relay circuit is interrupted and the pump motor automatically stops. The motor is not restarted until the level reaches the ...

Electrical symbol library for the vector graphics program Inkscape.

One of the simple yet interesting connection diagrams that young engineers learn in their lab is the staircase lighting setup.

Alan Turing and his assistant Donald Bayley celebrated victory in their quiet English way, by taking a long walk together. They had been working side by side for more than a year in a secret ...

Some materials let electricity pass through them easily. These materials are known as electrical conductors. Metal is used in plugs to allow electricity to transfer from the wall socket, through ...