Homemade Toy Wind Tunnel Blows (Really Well)

Sometimes a kid wakes up on Christmas morning and runs downstairs, only hoping to see one thing: a shiny new wind tunnel. This past December, that’s exactly what [SparksAndCode]’s son f…

Color Dot Puzzle Will Wrinkle Your Brain

2022 is a good year for puzzles, and if you’re getting tired of Wordle, you might be after a new challenge. This color puzzle from [Sebastian Coddington] could be just what you’re looki…

Building Forged Carbon Fiber Wings For Radio Control Cars

When it comes to building decent aerodynamic devices, you want to focus on getting your geometry accurate, and making sure your parts are strong enough to deal with the force they’re generati…

Reject Modernity; Return To Tamagotchi

Browsing through the recent projects on Hackaday.io, we’ve found this entry by [NanoCodeBug]: a single-PCB low-power trinket reviving the “pocket pet” concept while having some fu…

Pi Powered 1:35 Scale Panther Tank

Tank aficionado [Daniel Zalega] has enjoyed playing around with armored fighting vehicles in the digital realm for years, but only recently realized he had the technology and skills necessary to ta…

The Cucumber House That LEGO Built

How far are you prepared to go to build a novelty seasonal ornament? Maybe a gingerbread house, or perhaps a bit of 3D printed glitter to hang on your Christmas tree. For [The Brick Wall], none of …

Attack Of The Eighty-Foot String Shooter

String shooters are exciting because they adhere to the laws of physics in that peculiar way that makes us ask, “How?” and “Why?” After a bit of poking and prodding, maybe s…

The Safest Model Roller Coaster

[Jared Holladay] is a computer engineering student at the University of Cincinnati and a life-long roller coaster fanatic. A lot of people look at roller coasters as an exciting example of physics,…

RC Minecraft Boat Patrols The Pool For Treasure

Looking to recreate those relaxing Minecraft fishing sessions in real life, [electrosync] recently set out to 3D print himself a blocky remote controlled boat, complete with a similarly cubic occup…

Spider-Man Swings A Little Closer To Reality

Despite reading Hackaday daily and seeing the incredible things that people do, something comes along that just sort of blows you away every once in a while. Sometimes it’s just technically i…

A Promising Start For The Doritos Space Program

Rocketry is tricky stuff, but as long as you’re not trying to get into space, the whole idea can basically be boiled down into a simple concept: if you put enough thrust behind it, anything c…

A Toy Jeep For After The Apocalypse

When your friends are off to the post-apocalyptic Wasteland Festival and present you with a defunct Power Wheels clone toy Jeep to make ready for the festivities, what are you to do? If you happen …

Documentation Is Hard, Let The SkunkWorks Project Show You How To Do It Well

Documentation can be a bit of a nasty word, but it’s certainly one aspect of our own design process that we all wish we could improve upon. As an award-winning designer, working with some of …

You Can 3D Print Your Own RC Motorbikes

Radio control cars have been a popular toy for decades, but their motorcycle counterparts have always lagged behind due to balance issues and compromised agility. At the same time, a little toy mot…

Spooky USB Baby Types Out Messages From Beyond

You might think it’s a bit early for us to be running Halloween hacks, but don’t worry. While this microcontroller-equipped doll that mimics a USB keyboard to type out messages in the c…

One Man’s Quest To Build A Baby Book With Brains

Regular readers will know that Hackaday generally steers clear of active crowdfunding campaigns. But occasionally we do run across a project that’s unique enough that we feel compelled to dus…

Small Scale Mad Max: Danny Huynh’s Dystopian Animatronics

The hacker spirit is always alive and well in post-apocalyptic fiction, as characters throw together contraptions from whatever junk they can find. While these might not always be practical or poss…

Three-Stage Thrust Vectoring Model Rocket With Tiny Flight Computers

Flying a thrust-vectoring rocket can be a challenge, and even more so if you stack multiple stages and a minimalist flight computer on top of it all. But [Joe Barnard] is not one to shy away from s…

Building An Aluminum RC Truck From Scratch

These days you can get just about any kind of radio controlled vehicle as a ready-to-run model. Cars, trucks, excavators, you name it. Open the box, charge the batteries, and you’re ready to …

Fan Lets RC Car Drive On The Ceiling

Downforce is a major part of modern motorsport, keeping cars glued to the track at high speeds. However, for small radio control cars, adding a fan for a little suction can achieve even greater fea…