Graphyne Finally Created | Hackaday

Before you jump down to the comments to chastise us for misspelling graphene, note that graphyne is similar to graphene but not the same. Like graphene, it is a two-dimensional structure of carbon. Unlike graphene, it contains double and triple bonds and does not always form hexagons. Scientists have posted its existence for decades, but … Read more

3D Printing Fabrics Is Easier Than You Think

Conventional textiles made of woven threads are highly useful materials. [Sara Alvarez] has had some success creating fabric-like materials through 3D printing, and though they’re not identical, they have some similar properties that make them unique and useful. Fabrics are made by the weaving or knitting together many threads into a cohesive whole. [Sara]’s 3D-printed … Read more

The STM32 Makes For A Cheap DIY USB Soundcard

Soundcards used to be giant long 8-bit ISA things that would take up a huge amount of real estate inside a desktop computer. These days, for most of us, they’re baked into the motherboard and we barely give them a second thought. [Samsonov Dima] decided to whip up a cheap little sound card of their … Read more

Character VFD Becomes Spectrum Analyzer

These days, streaming services are a great way to listen to music or podcasts on your computer or on the go. However, they lack one feature of the MP3 players and streamers of old: visualizations! [mircemk] is a fan of those, and has built a hardware spectrum analyzer that pumps with the music. The build … Read more

Put Another Dime In The Jukebox

We don’t always acknowledge it, but most people have an innate need for music. Think of all the technology that brings us music. For decades, most of the consumer radio spectrum carried music. We went from records, to tape in various forms, to CDs, to pure digital. There are entire satellites that carry — mostly … Read more

PSP Turned Robot Remote With Custom Software

There’s no question that Sony’s PlayStation Portable (PSP) was a piece of hardware when it was released in 2004, but for all its technical wizardry, it wasn’t impressive to shake Nintendo’s vice-like grip on the handheld market. Perhaps that explains why we still see so many nostalgia-fueled hacks for Nintendo’s Game Boy and Dual Screen … Read more