A myriad of electrical gremlins can come to light with a car’s age—bad terminals, broken wires, blown fuses, and even fried relays. Knowing how to diagnose those problems can be the difference between ...

We’ve seen our share of blinking light projects around here; most are fairly straightforward small projects, but this entry to the 2025 One Hertz Challenge is the polar opposite of that approach.

Recently, [Manuel] did a post on making logic gates out of anything. He mentioned a site about relay logic. While it is true that you can build logic gates using switch logic (that is, two switches in ...

Relay for Life Westmeath took place in Tyrrellspass on Saturday, September 20 and continues to Sunday, September 21.

What is an automotive relay? In simple terms, an automotive relay is a small cube shaped electronically operated electromechanical switch. It uses an electromagnetic device to mechanically maneuver a ...

Many varieties of ON/OFF control circuits use some form of flip-flop that responds to a pushbutton switch or other control input. These all have volatile memory and default to an OFF condition if ...

There aren’t many new van or car models on the road that can trace their roots back nearly 20 years, but the Citroen Relay is one of them. It’s the product of a philosophy that “if it ain’t broke, don ...

SPO 1-1 Given information from discussion, handouts, and reading materials, explain the pump operator's responsibilities to pump a supply line, given the length and size of line, flow and desired ...

Mozilla has launched an update for its email privacy service, Firefox Relay, that addresses common complaints and extends the tool to a wider audience. With the latest version of Firefox Relay, the ...

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Everybody knows Citroën for its quirky hatchbacks and comfortable saloons, but it’s just as likely that you’ve seen the double chevron logo on a van – including its biggest model, the Citroën Relay.