The best Presidents' Day deals live: Shop TVs, mattresses, Apple, streaming, and more

The real darlings of Presidents' Day are mattresses and TVs. The savings on both are abundant, including savings up to 50% off a Mashable Choice mattress. So if you're ready to shop this weekend, ...

Photonic integrated circuits enable programmable non-Abelian 'braiding' of light states

A research team has successfully implemented a programmable spinor lattice on a photonic integrated circuit (PIC). This platform enables the realization of non-Abelian physics, in which the outcome of ...

Best car tyre inflators 2026: cordless and digital options reviewed

We've tested tyre inflators from popular brands like Argos, Halfords and Ring - everything from basic foot pumps to high-tech automatic models ...

Big 12 tournament basketball games to be played on LED floor, designs can change in real time

The Big 12 basketball tournaments will be the first time this particular LED court tech will be used for official competition ...
Hackaday

Designing A Compact RGB 14-Segment Display

Sometimes you’re looking for a component for a project that you know should exist, but you just cannot find it. Something like a 14-segment LED display, but not just one with a fixed color, ...

Engineers builds Arduino-led game console from a fidget clicker and I want to fidget with it so badly

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...