Share Your Feelings Like A Spy

While hackers can deftly navigate their way through circuit diagrams or technical documentation, for many of us, simple social interactions can be challenge. [Simone Giertz] decided to help us all …

Want Better 0402 Reflow? Consider These Footprints!

Assembling with a stencil is just that much more convenient – it’s a huge timesaver, and your components no longer need to be individually touched with a soldering iron for as many time…

DIY Custom Earplugs For Pennies Per Pair

Hearing is one of our most precious senses, and yet many take their hearing for granted, exposing themselves to loud noises that do lasting damage. [Jonathan Levi] of The Next Level does no such th…

Hardware Store Chemicals Transform Sheets Into Waterproof Tarps

For hackers in the Northern Hemisphere, the seasons of wet and cold are upon us. Staying dry is every bit as important as staying warm, so what better than a hack or two to keep us warm and dry! Al…

Sleep Posture Monitor Warns You Away From Dangerous Positions

Age, we’re told, is just a number, but that number seems to be the ever-increasing count of injuries of a ridiculous nature. Where once the younger version of us could jump from a moving car …

The Hackaday Summer Camp Survival Guide

It’s a feature of summer for us, the round of hacker camps in which members of our community gather in fields and spend a few days relaxing and doing what we do best. This summer I’ll h…

A Simple Charging Station For Twelve Powerbanks

[jasonwinfieldnz] uses twelve small powerbanks day to day – powering LED strips around his trampoline, presumably, to avoid the mess of wires and make the assembly easily portable. However, i…

Hack Your Brain: Bionic Reading — Panacea Or Placebo?

In the Star Trek episode Space Seed, [Khan] famously said, “Improve a mechanical device, and you may double productivity. But improve man, you gain a thousandfold.” Most of our hacks ce…

Golf Club Shooter Is Your Ballistic Friend On The Green

Golf is a sport that has always enjoyed a good gadget or eight. Whether it’s something to measure the wind, or the latest putter guaranteed to save your game, golf enthusiasts have always flo…

Why Get Dressed When There Are Software Pants?

With so many of us working from home over the last two years, it’s really become apparent that people generally dislike sitting all day with pants on. Until such a utopian time when all cloth…

Fort Knutz – Squirrels Go All Mission Impossible

[Mark Rober] has a bird feeder in his back yard. Also, squirrels who eat the seed. So, as one does, he built a nine part squirrel obstacle course with a reward of walnuts at the end, and filmed the…

Learning Electronics By Just Doing It

Learning anything new, especially so broad and far reaching as electronics, can be hard. [IMSAI Guy] knows this because he gets asked regularly “how do I learn electronics?” Many of you…

Our Favorite Things: Binary Search

You might not think that it would be possible to have a favorite optimization algorithm, but I do. And if you’re well-versed in the mathematical art of hill climbing, you might be surprised t…

Desoldering Without Hot Air: Piece Of Wire Edition

Quite a few hackers nowadays share their tips and tricks on Twitter – it’s easy to do so, and provided either an existing audience or a bit of effort to get one, you’ll get at lea…

Need To Probe Circuits? Remember About Clothespins!

After browsing Thingiverse for some printable PCB probe designs, [Henry York] looked around and found a wooden clothespin on his desk. After some collaboration between his 3D printer and his CNC, H…

Camping For $25: Thrift Store Hacks To Keep Cozy

A hacker is somebody who’s always thinking creatively to solve problems, usually using what they have on hand. Sometimes that means using a 555 to build a CPU, and other times it means using …

Can Robots Give Good Hugs?

We could all use a hug once in a while. Most people would probably say the shared warmth is nice, and the squishiness of another living, breathing meatbag is pretty comforting. Hugs even have healt…

Printing Your Own Exoskeleton

While not quite in a cave, the idea of making your own exoskeleton with limited tools does have a Tony Stark esque vibe. [Andrew Piccinno] is a mechanical engineer pursuing the dream of 3D printing…

Slither: A Visual Pedometer That Sheds Light

Have you already broken that New Year’s resolution to get more exercise? Yeah, us too. Maybe the problem is simply that we didn’t gamify the goal. A simple visual aid that shows your pr…