Retro DIY Tube Radio Kit is Plain Gorgeous This gorgeous old-style radio is actually a DIY kit, made from cardboard. The faux-wood case hides a hybrid of the modern and the ancient. The radio stage ...

[Simon] wrote in to tell us about a headphone tube amp that he just built. It is based on schematics at diyaudioprojects.com that were actually featured on Hackaday in the past. [Simon’s] design adds ...

Homemade bungee cords are sturdier and longer lasting than many store-bought versions. I’ve found that most bungee cords wear out, at which point the ends break off or the cords lose their ...

In what can only be described as a work of art, [suedbunker] has created a clock under a glass dome. Sporting Nixie tubes, a DS3223, BCD encoders, and MPSA43 transistors driven by an MCP23008 I/O ...

So you've hooked up a source of compressed air in your shop. It's super useful for blasting away dust and stuff, but wouldn't it also be great if you could control the temperature? If you had easy ...

For those vacuum tube aficionados among you, if you can't quite find the right triode for your application, why not make your own? Here's a video (17 min) by Claude Paillard, a French amateur radio ...