One of the easiest soldering projects to do as a beginner is to solder a resistor to an LED. You can technically put the resistor on either side, but I typically choose to put it on the long leg of ...

What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

Musically reactive DIY Christmas tree that transforms a familiar festive symbol into something that comes alive with every beat.

Sorting algorithms are a common exercise for new programmers, and for good reason: they introduce many programming ...

If you’re reading this, that means you’ve successfully made it through 2025! Allow us to be the first to congratulate you — ...

XyphroLabs's UsbGpib is an open-source hardware, inexpensive, and portable USB to GPIB adapter aiming to provide "access to ...

Investors are likely to take a more nuanced approach towards AI-oriented stocks in the year ahead, while some have an eye on ...

A DIY wall-mounted sound visualizer plots ambient audio as a smooth waveform on an RGB LED matrix, combining a Pico-class ...

Every Wednesday and Friday, TechNode’s Briefing newsletter delivers a roundup of the most important news in China tech, straight to your inbox. Every Wednesday and Friday, TechNode’s Briefing ...

I've completely swapped my home over to LED lights, and for the most part, I love it. The energy savings are real, and I'm a sucker for all the smart color changing tes. But my biggest grievance is ...