Saving Martian Colonists Using Table Salt And Rocket Science

From hackaday.com 4 months ago in Blogs

Imagine for a moment that you are a member of an early Mars colony. You’re stranded, and the only way to get a message home is to launch a radio …read more

Articles from Hackaday

HP-200LX Runs Website Like it’s the 90s

From hackaday.com 9 hours ago in Blogs

The HP-200LX palmtop was a fascinating machine for its time, and [Terrence Vergauwen] proves that its time is not yet over, given that one is responsible for serving up the …read more

A Receive Antenna Switcher With An Espressif Brain

From hackaday.com 12 hours ago in Blogs

It’s not uncommon for a radio enthusiast to have multiple antennas for the same radio, so as you might expect it’s also entirely usual to have a bunch of coaxial …read more

One Solution, Many Problems

From hackaday.com 15 hours ago in Blogs

You might think you’re lucky when one of your problems has multiple solutions, and you get to pick and choose, but you’re even luckier when one solution has many problems! …read more

TurtleAuth DIY Security Token Gets (Re)designed for Durable, Everyday Use

From hackaday.com 18 hours ago in Blogs

[Samuel]’s first foray into making DIY hardware authentication tokens was a great success, but he soon realized that a device intended for everyday carry and use has a few different …read more

The Thin-Film Flexible 6502

From hackaday.com 21 hours ago in Blogs

While our attention is mostly directed towards ever smaller-integrated silicon circuits providing faster and faster computing, there’s another area of integrated electronics that operates at a much lower speed which …read more

Sisyphean Ball Race Robot Toils Gracefully, Magnetically

From hackaday.com 1 day ago in Blogs

Aren’t ball races and marble runs fun? Wouldn’t they be so much more enjoyable if you didn’t have to climb back up the ladder each time, as it were, and …read more

Practice Makes Perfect for this Ball and Socket Robot

From hackaday.com 1 day ago in Blogs

Ball and socket joints are useful, but making a part slide over the surface of a sphere, held by magnets, requires a lot of fiddling to get right. We admire …read more

Sound Generation Board Makes the Tunes

From hackaday.com 1 day ago in Blogs

[Mcjack123] has been getting into chiptunes lately and realized that his original interest started in 2018 when he used an Arduino to turn a TI-84 calculator into a sound machine. …read more

Hamvention 2022: The Reunion Begins Today

From hackaday.com 1 day ago in Blogs

Calling all hams! Hamvention 2022 is underway and runs through the weekend at the Greene County Fair and Expo Center in Xenia, Ohio. It’s been three long years since Hamvention …read more

Square Cuts on Aluminum Extrusion, No Mill Required

From hackaday.com 2 days ago in Blogs

If you’re looking for the perfect excuse to buy that big, beautiful Bridgeport mill, we’ve got some bad news: it’s not going to be making perfectly square end cuts on …read more