It's been a long wait, but our latest single board computer for review is finally here! The BBC micro:bit, given free to every seventh-grade British child, has landed at Hackaday courtesy of a friend ...

[Rob Bailey] likes to build things and he likes ham radio. We are guessing he likes mints too since he's been known to jam things into Altoids tins. He had been thinking about building a code practic...

We return once again to the work of Dr. Claude E. Shannon, this time to his Masters thesis on relay switching circuit design. This thesis introduced switching algebra that allows the systematic des…

Say hello to my little friend, lovingly named Flaschen Taschen by the members of Noisebridge in San Francisco. It is a testament to their determination to drink Corona beer get more members involve…

Every now and then someone gets seriously inspired, and that urge just doesn’t go away until something gets created. For [Paulius Liekis], it led to creating a roughly 1:20 scale version of t…

Here's an interesting implementation of a classic: the 555 timer as astable multivibrator for the noble purpose of making weird music. [pratchel] calls this a Morgenflöte or morning flute, indi...

[Eitan] is one of those guys whose plants keep tottering between life and death. Can't blame the plants, because he just keeps forgetting when to water them. But keeping them hydrated requires him to ...

The first digital cameras didn't come out of a Kodak laboratory or from deep inside the R&D department of the CIA or National Reconnaissance Office. The digital camera first appeared in the pages ...

Minecraft modding has become almost as popular as the block-based game itself, with tons of editors and tools available to create new kinds of blocks, mobs, and weapons. And now, with this mod fram…

The student projects that come out of [Bruce Land]'s microcontroller- and FPGA-programming classes feature here a lot, simple because some of them are amazing, but also because each project is a build...

You'd figure a luxury car like a Jaguar would have a high-end infotainment system. [RichTatham]'s Jag did, but the trouble was that it was a high-end system when a cassette deck and trunk-mounted CD c...

When a large bandsaw broke down due to a cast iron part snapping in two, [Amr] took the opportunity to record the entire process of designing and creating a solid steel replacement for the broken pa...

Humans have always wanted to make small things bigger. To see that which is unseen with the naked eye. The inventor of the original microscope happened sometime in the 1600’s, though the inve…

[Great Scott] should win an award for quickest explanation of a buck converter. Clocking in at five and a half minutes, the video clearly shows the operating principles behind the device. It starts…

The people behind the PocketNC heard you like CNC PCB mills, so they milled you a PCB mill out of PCB. They announced their surprising new open source hardware product, a pocket sized 3-axis CNC ma…

KiCAD has been making leaps and bounds recently, especially since CERN is using it almost exclusively. However, while many things are the same, just enough of them are different from our regular CA…

The story for permanent storage for computers begins with the Jacquard loom. Hackaday commenters that are less clever than a Wikipedia article may argue that it was the earlier Bouchon and de Vaucanso...

If building the James Webb Space Telescope and F/A-18 fighter jets aren't enough reasons to work for Northrop Grumman, there's always the FabLab - the company sponsored hackerspace. It's a place where...

There's a tremendous amount of value in using pre-built, known-good development environments. It saves you hours of potential headaches when things aren't working. Is the bug in the hardware or the so...

If you have ever used an eraser to correct a piece of pencil work, have you ever considered how much of an innovation it must have seemed when the first erasers were invented? It might seem odd to …