Hackaday.com

The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled Philmore “selective” radio kit. The …read more

This week Jonathan Bennett and Doc Searls chat with Olaf Kock and Dave Nebinger about Liferay! That’s a Java project that started as an implementation of a web portal, and …read more

With modern tools, you have to try very hard to do something stupid, because the tools (rightly) recognize you’re doing something stupid. [Andreas Karlsson] can speak to that first hand …read more

Initially only seeing brief popular use as the filament in incandescent lighting, carbon fibers (CF) experienced a resurgence during the 20th century as part of composite materials that are lighter …read more

If you’d like to measure the speed of your cycling then it’s easy enough to buy a cycle computer, but as [Clovis Fritzen] has done it’s also an option to …read more

You only really need two data wires to transfer a ton of data. Standards like UART, USB2, I2C, SPI, PS/2, CAN, RS232, SWD (an interface to program MCUs), RS485, DMX, …read more

Recently Radxa released the X4, which is an SBC containing not only an N100 x86_64 SoC but also an RP2040  MCU connected to a Raspberry Pi-style double pin header. The …read more

The last time we checked in with [Downtown Doug Brown], he had some cheap Altera USB Blaster clones that didn’t want to work under Linux. The trick at that time …read more

Outside of the brain, the heart is probably the organ that you miss the most when it ceases to function correctly. Unfortunately, as we cannot grow custom replacement hearts yet, …read more

There’s an old saying in the amateur radio community that when it comes to antennas all you need is a piece of wet string. This may be a little fanciful, …read more

What is this dystopia coming to when one of the world’s largest tech companies can’t find a way to sufficiently monetize a nearly endless stream of personal data coming from …read more

Small robots can be found at all levels from STEM toys for kids all the way through to complex hacker projects. Somewhere along that line between easy enough for anyone …read more

The demoscene has provided our community with its artistic outlet since the first computers which could handle graphics, and has stayed at the forefront of technology all the way. For …read more

These days, laptop computers are all more or less the same, at least externally. Some are thicker than others, they might come in different colors, or with a 360° hinge …read more

With US astronauts scheduled to return to the Moon in 2026, it might be nice for them to really and truly know ahead of time what the gravity situation is …read more

An interesting finding in fields like computer science is that much of what is advertised as new and innovative was actually pilfered from old research papers submitted to ACM and …read more

Once upon a time, it was deemed mostly silly to try and schlep power from a computer’s ports. Then it was kind of amusing to do so with USB, and …read more

Bash is great for automating little tasks, but sometimes a little script you think will take a minute to write turns into a half hour or more. This is the …read more

Often, the only liquid level indicator you need is your eyes, such as when looking at your cold beverage on a summer’s day. Other times, though, it’s useful to have …read more

The 1990s saw a revolution occur, launched by the CD burner. As prices of writeable media and drives dropped, consumers rushed to duplicate games, create their own mix CDs, and …read more