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Colour-Code Your Way To Timber Satisfaction

As Hackaday writers we see the insides of as many hackerspaces as we can, and some of us make it our business to be members of more than one within reach of our homes. Thus it was that a simple but extremely elegant hackerspace lifehack came our way, courtesy of read more

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Raspberry Pi Revives Stand-Alone DivX Player

It might seem almost comical to our more fresh-faced readers, but there was a time when you could go into a big box retailer and purchase what was known as a DivX Player. Though they had the outward appearance of a normal DVD player, these gadgets could read various digital read more

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Foundations For Machine Learning In English (Or Russian)

We are big fans of posts and videos that try to give you a gut-level intuition on technical topics. While [vas3k‘s] post Machine Learning for Everyone fits the bill, we knew we‘d like it from the opening sentences: Machine Learning is like sex in high school. Everyone is talking about read more

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A Coin Cell Powers This Tiny ESP32 Dev Board

Just for the challenge, just for fun, just for bragging rights, and just to do a little showing off - all perfectly valid reasons to take on a project. It seems like one or more of those are behind this tiny ESP32 board that‘s barely larger than the coin cell read more

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Building An Optically Pumped Laser Pointer

As a society, we‘ve largely come together to agree that laser pointers are mostly useless. They‘re now the preserve of university lecturers and those destined to wind up in a jail cell for harassing helicopter pilots. Most pointers are of the diode-pumped solid state variety. However, [Zenodilodon] treads a different read more

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Nerf Mods Via 3D Printing

Nerf guns are a great way to annoy parents. Simply give them as a gift to any child, and watch precious family heirlooms tumble to the ground as little Holly commando rolls behind the couch to avoid enemy combatants invading the loungeroom. Adults may find them lacking in stopping power read more

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Supercon: Ruth Grace Wong and Firmware From the Firehose

Firmware and software are both just code, right? How different could the code that runs Internet-scale distributed web stuff be from the code that runs a tiny microcontroller brain inside a personal hydroponics device? Night and day! Ruth Grace Wong works in the former world, but moonlights as a manufacturing read more

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Hackaday Podcast Ep 007 Everything Microcontrollers, Deadly Clock Accuracy, CT X-Rays, Mountains Of E-Waste

Elliot Williams and Mike Szczys look at all that‘s happening in hackerdom. This week we dive deep into super-accurate clock chips, SPI and microcontroller trickery, a new (and cheap) part on the microcontroller block, touch-sensitive cloth, and taking a home X-ray to the third dimension. We‘re saying our goodbyes to read more

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What Happens When You Cross A Brick With a Pixel?

There are a great many technologies we use to display information every day. We‘re all familiar with plasma displays and LCDs, and then there‘s more esoteric hardware like the split flap displays on municipal buses and around train stations. However, Breakfast have been working on something that turns architectural features read more

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Drops of Jupyter Notebooks: How to Keep Notes in the Information Age

Our digital world is so much more interactive than the paper one it has been replacing. That becomes very obvious in the features of Jupyter Notebooks. The point is to make your data beautiful, organized, interactive, and shareable. And you can do all of this with just a bit of read more

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12 Year Old Builds Successful Fusor At Home

Nuclear fusion, as a method of power generation, continues to elude humanity. It promises cheap, virtually limitless energy, if only we could find a way to achieve it. On the other hand, achieving nuclear fusion of a few atoms just for the fun of it is actually quite doable, even read more

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Radiation Detector Eschews Tubes, Uses Photodiode

When the topic is radiation detection, thoughts turn naturally to the venerable Geiger-Mller tube. It‘s been around for ages, Russian surplus tubes are available for next to nothing, and it‘s easy to use. But as a vacuum tube it can be somewhat delicate, and the high voltages needed to run read more

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Noise: It Turns Out You Need It

We don‘t know whether quantum physics proves the universe is truly a strange place or that we are living in a virtual reality simulation, but we know it turns a lot of common sense into garbage. Take noise, for example. Noise as in random electrical noise is bad, read more

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Hexagonal Lamp Is A Stylish Application Of Plywood

Lamps are useful things, and can be a great way to add style and lighting options to a room. Where overhead lights have to provide enough illumination for all manner of tasks, a subtle table lamp can add a nice moody glow to a room when it‘s time to kick read more

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Hack A ThinkPad Display

Hackers really like their tools. This leads to holy wars over languages, editors, keyboards, and even laptops. The problem with laptops is that they age, and not always gracefully. [Syonyk] likes his ThinkPad T430S, except for one thing, its TN display wasn‘t really very good. These flat screens use an read more

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Relive The Dot Matrix Glory Days With Your 3D Printer

With the cost of 3D printers dropping rapidly, we‘ve started to see a trend of hackers re-purposing them for various tasks. It makes perfect sense; with the hotend and extruder turned off (or removed entirely), you‘ve got a machine that can move a tool around in two or three dimensions read more

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FPGA Brings Arduboy to the Game Boy Advance

Hackaday readers are perhaps familiar with the Arduboy, an open source handheld gaming system that aims to combine the ease of Arduino development with the seething nostalgia the Internet has towards the original Nintendo Game Boy. While not quite the same as getting one of your games published for a read more

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Building A Simple Python API for Internet of Things Gadgets

It‘s no secret that I rather enjoy connecting things to the Internet for fun and profit. One of the tricks I‘ve learned along the way is to spin up simple APIs that can be used when prototyping a project. It‘s easy to do, and simple to understand so I‘m happy read more

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Death Generator Makes Game Over More Personal

Game over. In this day and age of complex games with storylines and career modes that last for tens of hours, it‘s not really a concept that has a lot of relevance. However, in the golden age of the arcade, those two words made it very clear that your time read more

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When Will Our Cars Finally Speak the Same Language? DSRC for Vehicles

At the turn of the 21st century, it became pretty clear that even our cars wouldn‘t escape the Digital Revolution. Years before anyone even uttered the term smartphone, it seemed obvious that automobiles would not only become increasingly computer-laden, but they‘d need a way to communicate with each other and read more

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Talking Telegram with the ESP8266

At this point it‘s something of a given that a member of the ESP8266 family is likely your best bet if you want to cobble together a small Internet-connected gadget. Costing as little as 3 USD, this well documented all-in-one solution really can‘t be beat. But of course, the hardware read more

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Eurorack Gets a Wireless MIDI Connection

Modular synthesizers have been around since the early 1960s, delivering huge tonal possibilities from their impressive and imposing patchbays. In 1996, the Eurorack standard was launched, and has become the go-to choice for enthusiasts new to the world of modular synthesis. [Rich Heslip] is just one such enthusiast, and has read more

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A Modern Solution To Tea Bag Inventory Management

Britain is famously known as a land of manners and hospitality. Few situations could make an Englishman‘s stiff upper lip quiver, short of running out of tea bags while entertaining house guests. Thankfully, [The Gentleman Maker] is here and living up to his name - with a helpful tea monitor read more

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Don‘t Need A Weatherman To Know Which Way The Wind Blows On Mars

NASA‘s latest Mars lander has a very precise weather package, and you can check the daily conditions on Elysium Planitia online. The data however has apparently led to a bit of a mystery. According to Ars Technica, every day at 7AM and 7PM local time, there‘s an unexplained atmospheric pressure read more

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