Raspberry Pi 4 Just Released: Faster CPU, More Memory, Dual HDMI Ports

The Raspberry Pi 4 was just released. This is the newest version of the Raspberry Pi and offers a better CPU and more memory than the Raspberry Pi 3, dual HDMI outputs, better USB and Ethernet performance, and will remain in production until January, 2026.

There are three varieties of …read more

Hackaday Podcast Ep24: Mashing Smartphone Buttons, Sound Blastering, Trash Printing, And A Ludicrous Loom

Hackaday Editors Elliot Williams and Mike Szczys wade through the fun hacks of the week. Looks like Google got caught ripping off song lyrics (how they got caught is the hack) and electric cars are getting artificially noisier. We look at 3D Printing directly from used plastic, and building a …read more

This Week In Security: SACK Of Death, Rambleed, HIBP For Sale, And Oracle Weblogic — Again!

Netflix isn’t the first name to come to mind when considering security research firms, but they make heavy use of FreeBSD in their content delivery system and do security research as a result. Their first security bulletin of the year, not surprisingly, covers a FreeBSD vulnerability that happens to also …read more

Etching Large Brass Sheets Is Harder Than You Think

One of my favorite ways to think of engineering is that a glass is not half empty or half full, only twice as large as it needs to be. As useful as that idea is, it also means that I rarely put any effort into the aesthetics of my projects …read more

An Evening With Space Shuttle Atlantis

When I got the call asking if I’d be willing to fly down to Kennedy Space Center and cover an event, I agreed immediately. Then about a week later, I remembered to call back and ask what I was supposed to be doing. Not that it mattered, I’d gladly write …read more

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Stopping A Bench Grinder Quickly

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By Brian Benchoff | June 26, 2019

In every workshop ever, there’s a power tool that goes unnoticed. It’s the bench grinder. It’s useful when you need it, and completely invisible when you don’t. We take the bench grinder for granted, in part because we keep it over there with that box of oily rags, and partly …read more
What’s The Deal With Square Traces On PCBs

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By Brian Benchoff | June 26, 2019

When designing a printed circuit board, there are certain rules. You should place decoupling capacitors near the power pins to each chip. Your ground planes should be one gigantic fill of copper; two ground planes connected by a single trace is better known as an antenna. Analog sections should be …read more
Ink-Dipping Machine Saves Iotas Of Time

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By Kristina Panos | June 26, 2019

[Uri Tuchman] doesn’t always write with a dip pen. But when he does, he gets tired of re-inking it almost immediately. Now, convenience comes in many forms. He could make the switch to any number of modern writing instruments, sure. But that would be throwing out the baby with the …read more
Impersonate The President With Consumer-Grade SDR

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By Tom Nardi | June 26, 2019

In April of 2018, the Federal Emergency Management Agency sent out the very first “Presidential Alert”, a new class of emergency notification that could be pushed out in addition to the weather and missing child messages that most users were already familiar with. But while those other messages are localized …read more
Accurate Time On Your Pi, The Extreme Way

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By Jenny List | June 26, 2019

The Raspberry Pi is an extremely versatile little computer, but even its most ardent fans would acknowledge that there are some areas in which its hardware is slightly lacking. One of these is in the field of timing, the little board has no real-time clock. Users must rely on the …read more
A Work Of Art That Also Receives AM And SSB

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By Tom Nardi | June 26, 2019

Over the winter, [Michael LeBlanc] thought a good way to spend his time during those long dark nights would be to scratch build his own direct conversion receiver. He was able to find plans for such a project easily enough online, but where’s the fun in following instructions? The final …read more
Bit Preserve: A Sanctuary For Modern Captures Of Vintage Schematics

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By Donald Papp | June 25, 2019

Vintage parts may be documented, but that doesn’t mean they’re particularly useful or accessible. If the phrase “eyestrain from unsearchable, badly-scanned PDF datasheets” makes your lower eyelid twitch in sympathy, read on.

While [Bald Engineer] was researching how he might make a portable Apple II, he was delighted to find …read more

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Raspberry Pi 4 Just Released: Faster CPU, More Memory, Dual HDMI Ports

Hackaday Podcast Ep24: Mashing Smartphone Buttons, Sound Blastering, Trash Printing, And A Ludicrous Loom

This Week In Security: SACK Of Death, Rambleed, HIBP For Sale, And Oracle Weblogic — Again!

Etching Large Brass Sheets Is Harder Than You Think

An Evening With Space Shuttle Atlantis

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Raspberry Pi 4 Just Released: Faster CPU, More Memory, Dual HDMI Ports

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What’s The Deal With Square Traces On PCBs

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Hackaday Links: June 16th, 2019

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Raspberry Pi 4 Just Released: Faster CPU, More Memory, Dual HDMI Ports

Hackaday Podcast Ep24: Mashing Smartphone Buttons, Sound Blastering, Trash Printing, And A Ludicrous Loom

This Week In Security: SACK Of Death, Rambleed, HIBP For Sale, And Oracle Weblogic — Again!

Etching Large Brass Sheets Is Harder Than You Think

An Evening With Space Shuttle Atlantis

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