These builds turn simple buttons, lights, and displays into useful tools.

The flip-flop, aka latch, can also be understood as Bistable Multivibrator as two stable states. Generally, these latch ...

Raspberry Pi computers quietly power digital signage, interactive sculptures, music-reactive lighting, and other large-scale ...

The new Raspberry Pi Compute Module 5 Programming Jig is a fairly unique product from the single-board computer company. Specifically designed for the Compute Module 5 variation of the Pi lineup, it's ...

Ditch the monthly subscription fees. Here's how a cheap Raspberry Pi and PiVPN can create a free, private tunnel back to your home network. I’ve been writing about technology since 2012, focusing on ...

Start with one useful build and expand from there.

As our beauty editor, I’m often asked by my friends about LED face masks. Do they actually work? The short answer is yes, but there are some caveats. These devices use various wavelengths, with red ...

See the TIOBE Index for September 2026, with Python still No. 1, Rust holding the top 10, and Julia nearing a return to the top 20. Rust held onto its place in the TIOBE Index top 10 in August 2026 ...

No need for cables.

Organic photodiodes are promising receivers for visible light communication systems due to their tuneable properties, but high-speed data transmission has been limited. Here high-speed organic ...