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 2021-04-21 05:00 

Hackaday

Battery Analyzer Puts Alkaline Cells to the Test...

We know, we know. Generally speaking, you should try and switch your household devices over to rechargeable cells rather than using disposable alkaline batteries. But while they might seem increasingl......

 2021-04-21 02:00 

Hackaday

A Useful Macro Pad For Microsoft Teams...

Working from home has now become de rigeur for many more people around the globe. With it, has sprung up a desire for better controls for streaming and conferencing software. There are plenty of stre......

 2021-04-20 23:00 

Hackaday

No-Nixie Nixie Clock...

Over on [Techmoan]'s YouTube channel he's excited about a new gadget that finally arrived after months of waiting -- the EleksTube IPS fake Nixie tube clock. This is a re-imagining of a Nixie tube clo......

 2021-04-20 20:00 

Hackaday

You Won't Believe How Much Tech is Hiding in this Desk...

Say what you will about office life: there were definitely some productivity perks, but the coffee is much better at home. Like many of us, [Pierre] has been working from home for the last year or so.......

 2021-04-20 18:30 

Hackaday

Camera Hack Peels Back Layers of Embedded Linux...

Embedded Linux devices are everywhere these days, and sooner or later, you're going to want to poke around in one of them. But how? That's where posts like this one from [Felipe Astroza] come in. Whil......

 2021-04-20 17:00 

Hackaday

What to Expect From 3D Scanning, And How To Work With It...

3D scanning and 3D printing may sound like a natural match for one another, but they don't always play together as easily and nicely as one would hope. I'll explain what one can expect by highlighting......

 2021-04-20 15:30 

Hackaday

Incandescent 7-Segment Displays Are Awesome...

When we think of 7-segment displays as the ubiquitous LED devices that sprung into popularity in the 1970s. However, numbers have existed for a lot longer than that, and people have wanted to know wha......

 2021-04-20 14:01 

Hackaday

A Look At The Most Aerodynamic Cars Ever Built...

Whether gasoline, diesel, or electric, automakers work hard to wring every last drop of mileage out of their vehicles. Much of this effort goes towards optimising aerodynamics. The reduction of drag i......

 2021-04-20 11:00 

Hackaday

LED Hack Teaches DJI Mini 2 Drone New Tricks...

Despite its diminutive proportions, the thrust to weight ratio of the DJI Mini 2 is high enough that it can carry a considerable amount of baggage. So it's no surprise that there's a cottage industry ......

 2021-04-20 08:00 

Hackaday

AI Makes Linux Do What You Mean, Not What You Say...

We are always envious of the Star Trek Enterprise computers. You can just sort of ask them a hazy question and they will -- usually -- figure out what you want. Even the automatic doors seemed to know......

 2021-04-20 05:00 

Hackaday

Adjustable, Piston-Damped Hammer...

When all you have is a hammer, every problem is a constant quest for an even better hammer, as the popular saying goes. At least, that seems to be [Ebenisterie lose]'s situation. She wanted a dead......

 2021-04-20 02:00 

Hackaday

Inside a DEC Hard Drive...

A lot of technology from the not-so-distant past doesn't resemble modern versions very much. For a case in point, look at the DEC RS08 disk drive meant to pair with a circa 1970 PDP-8. Paired with an ......

 2021-04-19 23:00 

Hackaday

Smart Pet Feeder Is Well Engineered...

Having pets can sometimes be more demanding than raising kids. Pet owners obviously love and adore their pets, but anything that can be done to reduce their...

 2021-04-19 20:00 

Hackaday

Large Format Lego Camera is a Bit Near-Sighted...

Photography doesn't have to be expensive, something that's especially true in the realm of film photography, where the imperfections of the medium can be half the appeal. There are many DIY plans and ......

 2021-04-19 18:30 

Hackaday

A Superheterodyne Receiver with a 74xx Twist...

In a world with software-defined radios and single-chip receivers, a superheterodyne shortwave radio might not exactly score high on the pizzazz scale. After all, people have been mixing, filtering, a......

 2021-04-19 17:15 

Hackaday

The Wright Stuff: First Powered Flight on Mars Is a Success...

When you stop to think about the history of flight, it really is amazing that the first successful flight the Wright brothers made on a North Carolina beach to Neil Armstrong's first steps on the Moon......

 2021-04-19 16:00 

Hackaday

AVR Reverse Engineering Hack Chat...

Join us on Wednesday, April 21 at noon Pacific for the AVR Reverse Engineering Hack Chat with Uri Shaked!We've all become familiar with the Arduino ecosystem by now, to the point where it's almost......

 2021-04-19 15:00 

Hackaday

8-Bit Computer Addresses LEDs...

Homebrew 8-bit computers tend to have fairly limited displays, often one or more seven-segment displays and an array of LEDs to show the values of RAM or perhaps some other states of the computer. [Du......

 2021-04-19 14:01 

Hackaday

Space Propulsion: Separating Fact From Science Fiction...

An unfortunate property of science-fiction is that it is, tragically, fiction. Instead of soaring between the stars and countless galaxies out there, we find ourselves hitherto confined to this planet......

 2021-04-19 11:00 

Hackaday

Power Supply uses Thin Form Factor...

We've seen lots of power supply projects that start with an ATX PC power supply. Why not? They are cheap and readily available. Generally, they perform well and have a good deal of possible output. [M......

 2021-04-19 08:00 

Hackaday

PiStorm Brings Modern Muscle To The Amiga...

The Amiga, well known as the best and greatest computer ever designed, is nonetheless a platform of yesteryear. Its 68K, and later PowerPC, architectures have both been abandoned by the mainstream, an......

 2021-04-19 05:00 

Hackaday

DIY Wireless Serial Adapter Speaks (True) RS-232...

There is a gotcha lurking in wait for hackers who look at a piece of equipment, see a port labeled...

 2021-04-19 02:00 

Hackaday

Exploring Op Amp Loading...

Op amps are generally pretty easy to apply, but there are some practical nonideal behaviors you have to keep in mind. [EEforEveryone] takes a test board with some 2X amplifiers on it and -- after some......

 2021-04-18 23:00 

Hackaday

Hackaday Links: April 18, 2021...

More bad news from Mars this week, and this time not just from Perseverance. Last week the eagerly anticipated first flight of the helicopter Ingenuity was delayed for a couple of days after failing a......

 2021-04-18 20:00 

Hackaday

Shapeshifting Streetlights Are The Future We Want To Live In...

Regular streetlights are all well and good, bathing us in the glow of their sodium, or more increasingly LED, lamps. They're mostly rigid metal contraptions installed primarily for public safety purpo......

 2021-04-18 17:00 

Hackaday

This Pineapple Keyboard is the Bomb...

Now why didn't we think of this? While building a dactyl manuform -- a semi-ergonomic split keyboard -- [dapperrogue] had the life-changing epiphany that keyboards can be any shape or size, as long as......

 2021-04-18 14:00 

Hackaday

Bridging the PC and Embedded Worlds with Pico and Python...

Although protocols like I2C and SPI are great for communicating between embedded devices and their peripherals, it can be a pain to interface these low-level digital interfaces to a PC. [Alexandre] ......

 2021-04-18 11:00 

Hackaday

Toggle Switch Puzzle Boggles the Mind, Opens the Box...

We all have too much stock of one component or another. Maybe you have more audio pots than you know what to do with, or maybe it's zener diodes. For [technologyguy], that thing is a pile of toggle sw......

 2021-04-18 08:00 

Hackaday

Heads Up: Smart Glass Multimeter...

Sometimes it is hard to probe a circuit and then look over at the meter. [Electronoobs] decided to fix that problem by making a Google Glass-like multimeter using an OLED screen and Bluetooth module.......

 2021-04-18 05:00 

Hackaday

DOS Gaming PC Gets Necessary Updates...

PC-104 is a standard computer form factor that most people outside of industrial settings probably haven't seen before. It's essentially an Intel 486 processor with lots of support for standards that ......

 2021-04-18 02:00 

Hackaday

Guide to Mastering OpenSCAD Costs Roughly the Same as OpenSCAD...

OpenSCAD is a fantastic free tool for 3D modeling, but it's far less intuitive to use for non-programmers than mouse-driven programs such as Tinkercad. Powerful as it may be, the learning curve is pre......

 2021-04-17 23:00 

Hackaday

Pedaling Away Under The Cover Of Your Desk...

[Wayne Venables], like many of us, found himself sitting more than usual the past few months. Armed with a Bluetooth-enabled under desk exercise bike, he quickly found the app to be rather sub-optim......

 2021-04-17 20:00 

Hackaday

Kitchen Bump Bar Plays Doom Between Orders...

For as much as we love reverse engineering projects, we have to admit that we almost passed up on this...

 2021-04-17 17:01 

Hackaday

A HALO of LEDs for Every Ear...

Few things get a Hackaday staffer excited like bunches of tiny LEDs. The smaller and denser the better, any form will do as long as we can get a macro shot or a video of a buttery smooth animation. Th......

 2021-04-17 14:00 

Hackaday

Junkbox Confidential...

Thomas Edison famously quipped...

 2021-04-17 11:01 

Hackaday

E.T. Video Game Gets Re-Imagined in 10 Lines of BASIC...

Most people would recognize E.T. The Extra-Terrestrial for the Atari 2600 by its reputation as one of the worst video games of all time. We'll have more to say about that in a moment, but E.T. was nev......

 2021-04-17 08:00 

Hackaday

Replacing an ESP8266 Clone with the Real Thing...

The first time [konbaasiang] ordered some ceiling LED lights from Tuya, he was pleased to find they contained an ESP-12F that could easily be flashed with a different firmware. So when he ordered 30 m......

 2021-04-17 05:00 

Hackaday

Three Ways to Detect the Silver Ball...

We speak from experience when we say that making pinball targets is harder than you might think. The surface area of the part of the ball that touches is oh-so-small, and you really need to have gravi......

 2021-04-17 02:00 

Hackaday

The Imperfect Bipolar Transistor...

We like to pretend that our circuit elements are perfect because, honestly, it makes life easier and it often doesn't matter much in practice. For a normal design, the fact that a foot of wire has a t......

 2021-04-16 23:00 

Hackaday

Ambitious Spot Welder Really Pushes the Amps...

On the face of it, a spot welder is a simple device. If you dump enough current through two pieces of metal very quickly, they'll heat up enough to melt and fuse together. But as with many things, the......

 2021-04-16 20:00 

Hackaday

The Beat Goes On With this ESP32 Page Turner...

Looking for a hands-free way to page through sheet music on an iPad, [The_Larch] came up with this simple Bluetooth input device based on the ESP32. The microcontroller just needed to have two switche......

 2021-04-16 18:30 

Hackaday

New Whitest Paint Might Help Fight Climate Change...

It's hot! Hotter than it used to be, and too hot for things to remain nice in the future. The sun keeps beating down, and as our greenhouse gas emissions continue to blanket the earth, more of that he......

 2021-04-16 17:01 

Hackaday

The False Alarm That Nearly Sparked Nuclear War...

The date was September 26, 1983. A lieutenant colonel in the Soviet Air Defence Forces sat at his command station in Serpukhov-15 as sirens blared, indicating nuclear missiles had been launched from t......

 2021-04-16 16:01 

Hackaday

Hackaday Podcast 114: Eye is Watching You, Alien Art, CNC Chainsaw, and the Galvie Flu...

Hackaday editors Elliot Williams and Mike Szczys marvel at the hacks that surfaced over the past week. An eye-popping webcam hack comes in the form of an animatronic that gives that camera above your ......

 2021-04-16 15:00 

Hackaday

Unmasking the Identity of an Unusual Nintendo DS...

The Nintendo DS family encompasses a dizzying array of portable game systems released over a span of 17 years. The original DS received several refreshes and special editions, and when the next genera......

 2021-04-16 14:00 

Hackaday

This Week in Security: Pwn2own, Zoom Zero Day, Clubhouse Data, and an FBI Hacking Spree...

Our first story this week comes courtesy of the Pwn2own contest. For anyone not familiar with it, this event is held twice a year, and features live demonstrations of exploits against up-to-date softw......

 2021-04-16 11:00 

Hackaday

Detergent DRM Defeated on Diminutive Dishwasher...

Has it really come to this? Are we really at the point that dishwashers have proprietary detergent cartridges that you're locked into buying at inflated prices?Apparently so, at least for some spe......

 2021-04-16 08:00 

Hackaday

DOOM on a Bootloader Is the Ultimate Cheat Code...

Porting DOOM to run on hardware never meant to run it is a tradition as old as time. Getting it to run on embedded devices, ancient computers, virtual computers, and antique video game consoles are al......

 2021-04-16 05:00 

Hackaday

Tightly Packed Raspberry Pi Tricorder Impresses...

We'll say upfront that we don't have nearly as much information about this 3D printed Star Trek: The Next Generation tricorder as we'd like. But from the image galleries [Himmelen] has posted we know ......

 2021-04-16 02:00 

Hackaday

3D Animation for All Thanks to Google AI...

Google rarely fails to impress with technology demos. Their latest -- Monster Mash -- is aimed at using artificial intelligence to allow the creation of simple 3D animations without a lot of training ......

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