Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat ...

[Daniel] built the shift register using relays, which create a lovely clacking sound as the register operates, and LEDs, which glow depending on the values in the register. The result is a cute ...

If you come across, or are involved in an emergency, you can use your phone to text the emergency services for help using Relay UK’s emergencySMS service.

From Tuesday March 18 the deaf community will be able to talk to the Police Service of Northern Ireland using a new video ...

More from UK The Crime took place in the Elmdon are of Solihull, West Midlands. "Relay Crime" involves using external devices that pick up and transfer signals, allowing the car to be stolen even ...