Carry Less Stuff with a Minimalist Leather Wallet and Key Holder
Recreate this time-tested, simple design that carries only the bare essentials to leave your house today: keys, ID, and currency.
Blog
Hack a Free Flashlight for a Portable Backlit Sign
Hack a free flashlight for the perfect LED lighting system.
$300,000 in Prizes Are Up for Grabs in This Year’s Hackaday Prize
The Hackaday Prize has launched with $300,000 in prizes. A new community vote feature makes it easier than ever to get cash for your build.
Celebrate Raspberry Pi’s Fourth Birthday with These 5 Pi Projects
Four years on, and eight million boards later, I thought it might be fun to look back at some of my favourite Pi-powered projects we’ve featured here on the blog, and out in the world.
The Tau of Pi: Why 3.14 Isn’t the Whole Story
Pi is good. Pi is great. The magical constant is the ratio of a circle’s circumference to its diameter. But what if we told you that pi isn’t the ultimate solution to circular number-crunching? Follow along with Vi Hart’s explanation for a whole new perspective.
The AstroPi Project Goes Where No Pi Has Gone Before
The first results from the two Raspberry Pi boards now on board the International Space Station are starting to arrive on the ground, and there is a new competition for British school children to have their code run in space.
How Far Can You Memorize Pi? Show Off Your Skills with These Memory Tricks
How many places of pi can you recite? With a few memorization techniques under your belt, you can string together more digits than you might think.