Driving WS2811 LEDs with…VGA?

From hackaday.com 7 years ago in Blogs

We thought we’d seen it all. All the ways to drive WS2811/2812 “Neopixel” LEDs, that is. And then [Steve Hardy] comes up with a new one: hacking a computer’s VGA output to drive 500 WS2811s in a string. And it’s quite a hack. You can check out the video (it’s...

Articles from Hackaday

This Week in Security: Macstealer, 3CX Carnage, and Github’s Lost Key

From hackaday.com 5 hours ago in Blogs

There’s a naming overload here, as two bits of security news this week are using the “MacStealer” moniker. We’re first going to talk about the WiFi vulnerability, also known as …read more

Archiving the Entirety of DPReview Before It’s Gone

From hackaday.com 8 hours ago in Blogs

Despite the popular adage about everything on the internet being there forever, every day pages of information and sometimes entire websites are lost to the sands of time. With the …read more

Could 1080p Video Output From The RP2040 Be Possible?

From hackaday.com 11 hours ago in Blogs

Modern microcontrollers often have specs comparable with or exceeding early gaming consoles. However, where they tend to fall short is in the video department, due to their lack of dedicated …read more

Clever Test Rig Clarifies Capacitor Rules-of-Thumb

From hackaday.com 14 hours ago in Blogs

If you’ve done any amount of electronic design work, you’ll be familiar with the need for decoupling capacitors. Sometimes a chip’s datasheet will tell you exactly what kind of caps …read more

Huygens’ Telescopes Weren’t Very Good, Now We Think We Know Why

From hackaday.com 17 hours ago in Blogs

[Christiaan Huygens] was a pretty decent mathematician and scientist by the standards of the 17th century. However, the telescopes he built were considered to be relatively poor in quality for …read more

Foldable PCB Becomes Tiny Rover

From hackaday.com 20 hours ago in Blogs

Typically, when you’re putting electronics in a robot, you install the various controller PCBs into the robot’s chassis. But what if the PCB itself was the chassis? [Carl Bugeja’s] latest …read more

Upgraded Plasma Thruster is Smaller, More Powerful

From hackaday.com 23 hours ago in Blogs

When [Jay Bowles] demoed his first-generation ion thruster on Plasma Channel, the resulting video picked up millions of views and got hobbyists and professionals alike talking. While ionic lifters are …read more

Cold War Military Telephones Now Usable Thanks To DIY Switch Build

From hackaday.com 1 day ago in Blogs

The TA-1042 is the most badass looking telephone you’ll ever see. It’s a digital military telephone from the 1980s, but sadly non-functional unless it’s hooked up to the military phone …read more

2022 Supercon: Jac and Ralf Explore the Secrets of the Digital Compact Cassette

From hackaday.com 1 day ago in Blogs

During the 1990s, music was almost invariably stored on CDs or cassette tapes. When the new millennium came around, physical formats became obsolete as music moved first to MP3 files, …read more

Electric Skateboard Becomes Mobile Skate Park

From hackaday.com 1 day ago in Blogs

While building a skate park might not appear to have much in common with software development, at they very least, they both suffer from a familiar problem: scalability. Bigger skate …read more