When A Ball Robot Becomes Two Wheels

From hackaday.com 1 year ago in Blogs

It’s now about six years since Star Wars: The Force Awakens first showed us the little spherical robot BB-8, but it’s fair to say that along the way we’ve not …read more

Articles from Hackaday

Haptick: The Strain Gauge Based 6DoF Controller

From hackaday.com 17 hours ago in Blogs

Six degrees of freedom (6DoF) controllers are used for manipulating an object in a CAD or 3d modeling program and are often called spacemice. You can twist it, push it, …read more

The Rise and (Eventual) Fall of the SIM Card

From hackaday.com 18 hours ago in Blogs

There are few devices that better exemplify the breakneck pace of modern technical advancement than the mobile phone. In the span of just a decade, we went from flip phones …read more

Remote Water Quality Monitoring

From hackaday.com 21 hours ago in Blogs

While it can be straightforward to distill water to high purity, this is rarely the best method for producing water for useful purposes. Even drinking water typically needs certain minerals …read more

A Feature-Rich Amplifier Module For 3-Way Speaker Builds

From hackaday.com 1 day ago in Blogs

There’s something rewarding about building your own DIY audio hardware. Knowing you put it together yourself gives you faith in the construction, and psychosomatically makes the music sound all that …read more

RP2040 Runs Linux Through RISC-V Emulation

From hackaday.com 1 day ago in Blogs

We’re used to running Linux on CPUs where it belongs, and the consensus is that RP2040 just isn’t up for the task – no memory controller, and nowhere near enough …read more

A Look at Zweikanalton Stereo Audio and Comparison With NICAM

From hackaday.com 1 day ago in Blogs

With how we take stereo sound for granted, there was a very long period where broadcast audio and television with accompanying audio track were in mono. Over the decades, multiple …read more

Hackaday Links: March 19, 2023

From hackaday.com 1 day ago in Blogs

We get results! Well, sort of. You may recall that in this space last week we discussed Ford’s plans to exclude AM reception on the infotainment systems of certain of …read more

The $50 Pen Plotter

From hackaday.com 2 days ago in Blogs

[Arca] sets out to build himself a low-cost pen plotter that doesn’t require access to a 3D printer. The plotter uses a coreXY arrangement, powered by 28BYJ-48 stepper motors, which …read more

The Intricacies of Starting a Rocket Engine

From hackaday.com 2 days ago in Blogs

Rockets are conceptually rather simple: you put the pointy bit upwards and make sure that the bit that will go flamey points downwards before starting the engine(s). Yet how to …read more

3D-Printed Shredder Eats Lettuce For Breakfast

From hackaday.com 2 days ago in Blogs

Shredding things isn’t just good for efficiently and securely disposing of them. It’s also very fun, as well. [Joonas] of [Let’s Print] didn’t have a shredder, so set about 3D …read more