Primary schools around the UK are starting to receive their free classroom set of 30 BBC micro:bits as part of our BBC micro:bit – the next gen campaign. The deadline for UK primary school teachers to ...

Classrooms, ready! micro:bits, ready! The Gladiators micro:bit competition asked 7 – 11 year olds to invent a gadget to help the Gladiators be their best. The competition closed on the 6th December ...

Discover how to build a simple and effective external LED light for your smartphone with this hands-on tutorial. Using a 3.5mm audio jack from old wired earphones and a small LED, create a practical ...

Thank you for signing up! Did you know with a Plus subscription to Express and Star you get full access to our award winning journalism for the news that matters to you and more. I’ve tried quite a ...

This noise generator has an adjustable bandwidth and a consistent amplitude no matter what bandwidth is selected. When working on a recent Design Idea for an adjustable filter, I wanted to use an ...

MemoMind, a new AI hardware brand from projector manufacturer XGIMI, launched a crowdfunding campaign for its first smart glasses last week, the MemoMind One, which include dual displays, microphones, ...

How any string instrument sounds depends on hundreds of factors; even the tiniest details matter. Seemingly inconsequential things like whether the tree that the wood came from grew on the north slope ...

After previously fixing an overly bright picture from a Voodoo graphics card with a simple resistor on one of the RAMDAC’s ...

If you're looking for comfortable earbuds for your Samsung Galaxy phone that offer big bass, a broad soundstage, and decent active noise-cancelling (ANC), then the Galaxy Buds 4 Pro are an all-round ...

I've been testing the Samsung Galaxy Buds 4 Pro – aptly, given the product's name – for four months now. I've tested using the Galaxy S26 Ultra and a bunch of the year's other best Android phones – ...