Meticulous. Thorough. Exacting. These are all words we’d use to describe this video by [BrendaEM] about her Homemade 3D Optical Interference Scanner which can be seen after the break. The sca…

DMX512 is the standard for theatrical lighting, and it’s best described as, ‘MIDI for lights’. It’s been around since the 80s, and in the decades since it’s been used,…

They say that a picture is worth a thousand words. But what is a picture exactly? One definition would be a perfect reflection of what we see, like one taken with a basic camera. Our view of the na…

The manufacturing revolution has already begun, and there are 3D printers, CNC machines, and laser cutters popping up in garages and workspaces all around the world. The trouble with these machines…

The title reads like the name of a lecture in cryptography 101 or the first rule of Crypto Club. ‘DUHK’ is in fact neither of those but the name of a recently disclosed vulnerability in…

Some of the luckiest kids in the world have to be the ones with hackers and makers as parents. While normal kids are stuck playing with cookie cutter mass produced toys, these kids get one-off gadg…

Gisselquist Technology recently posted a good blog article about metastability and common solutions. If you are trying to learn FPGAs, you’ll want to read it. If you know a lot about FPGAs al…

The most recent of the Zelda franchise, Breath of the Wild, is known for its many, many puzzles.  One of the more frustrating ones involved bowling with a giant snowball at the top of a hillside.  …

[David0429] has made a very scary Raspberry Pi controlled puppet. Scary that is if you’ve seen the Saw movies where a serial killer uses one like it, called Billy, to communicate with his vic…

The yellow Tonka Truck. Instantly recognizable by any child of decades past, that big metal beast would always make you popular around the sandbox. There were no blinking lights to dazzle, no noise…

Did you ever feel the urge to turn the power of image processing and OCR into music? Maybe you wanted to use motion capture to illustrate the dynamic movement of a kung-fu master in stunning images…

We are truly living in the golden age of media streaming. From the Roku to the Chromecast, there is no shortage of cheap devices to fling your audio and video anywhere you please. Some services and…

I’m a tool person. No matter how hard I try, I eventually end up with a bunch of tools that I just can’t bear to banish from my workshop. Why? I’m gonna keep it 100%: it’s t…

The best projects always seem to come from eBay. A few weeks ago, we found a few tiles meant for gigantic LED panel installations, and fifty bucks got you ten tiles. That eBay auction is now sold o…

QR Codes are a two-dimensional type of matrix barcode that are used for a variety of uses. They’re one way of turning a long piece of string data into an easily machine-readable format. For t…

Thermite can cut cars in half but [TheBackyardScientist] relies on its ability to create rather than destroy. In fact, thermite was the key component when he casts a solid metal sword. The casting …

A lot of people like tubes either for their audio sound or their collectible value. [Uniservo] likes oddball tubes. His recent video (see below) shows a radechon — a computer memory tube. The…

There are so many autonomous devices nowadays that can run Skynet Inside(TM) that it’s hard to keep track. But one was still missing: the versatile Bobcat. When we say “Bobcat”, w…

PVC pipe is a valuable material to the backyard hacker. It’s cheap, readily available, and comes in a range of different sizes. However, what do you do if you need to bend it? The typical app…

[Taciuc Marius] and his colleague noticed that days with low atmospheric pressure plus caffeine in their system meant a spike in blood pressure. Considering how this might impact his cardiovascular…

A few weeks ago I needed a power strip in my home office. The outlet in question is located behind a filing cabinet so it would need a low profile plug. I jumped on Amazon to buy a surge suppressor…