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WebSockets Embedded With The ESP8266
It used to be that Web browsing was simple. You asked a server for some text, which was duly sent, and then formatted by your browser. Now a web page is as likely to be a full-blown application that...
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Easy Access Point Configuration on ESP8266
One of the biggest advantages of using the ESP8266 in your projects is how easy it is to get WiFi up and running. Just plug in the WiFi library, put the SSID and encryption key in your source code, and...
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Tiny Plotter Is Made Of Strings And Cardboard
If you’ve been hanging around Hackaday for any length of time, you’ve undoubtedly seen the work of [Niklas Roy]. A prolific maker of…everything, we’ve covered his projects for over a decade now. He’s...
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Fully 3D Printed And Metalized Horn Antennas Are Shiny and Chrome
We’ve seen our share of 3D printed antennas before, but none as well documented and professionally tested as [Glenn]’s 3D printed and metalized horn antennas. It certainly helps that [Glenn] is the...
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We Got Your Sega Chiptunes Right Here
Chiptunes are cool, but when you get into it, you realize you’re mostly dealing with Commodore SID tunes, Atari POKEY tracks for the cool kids, bleeps and bloops from a Game Boy, and maybe some NES...
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Homebrew Linear Actuators Put The Moves On This Motion Simulator
Breaking into the world of auto racing is easy. Step 1: Buy an expensive car. Step 2: Learn how to drive it without crashing. If you’re stuck at step 1, and things aren’t looking great for step 2...
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This Rocket Cookstove Is Hot Stuff!
If you search the web, you will learn that humans began to cook their food with fire for quite a while. Indeed, you might expect that there would be nothing new in the world of flame-based cookery....
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Help For High-Frequency Hobbyists
Dead-bug circuit building is not a pretty affair, but hey, function over form. We usually make them because we don’t have a copper circuit board available or the duty of making one at home is not...
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Build Your Next Dancing Robot From Empty Soda Bottles
When you think about the materials for your next large dancing robot build, soda bottles might not be the first thing that springs to mind. But they could work, according to TrussFab, a project from a...
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Creating KiCad Parts From A PDF Automagically
For anyone out there who has ever struggled finding a part for Eagle or KiCad, there are some who would say you’re doing it wrong. You’re supposed to make your own parts if you can’t find them in the...
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Perhaps The Ultimate Raspberry Pi Case: Your PC
One of the great joys of owning a 3D printer is being able to print custom cases for boards like the Raspberry Pi. What’s more, if you are using a desktop PC, you probably don’t have as many PCI cards...
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A Graphic Equaliser The Analogue Way
There was a time when any hi-fi worth its salt had a little row of sliders on its front panel, a graphic equalizer. On a hi-fi these arrays of variable gain notch filters were little more than a fancy...
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Challenge Your Perception Of Reality With Emotional Sunglasses
The Peril-Sensitive sunglasses of Hitchhiker’s Guide fame directly affect the user’s response to a stimulus, turning completely opaque in response to danger. That’s a great idea, but what if...
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Amplifier Controlled Motorized Display
It’s easy to get jaded by gadgets like the Chromecast or Sonos, which let the user control AV equipment remotely from a mobile device or computer. You can pick something to play from your phone and...
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Bus Raider Allows Classic Micro Emulation On An RC2014
If you were lucky enough to own one of the crop of 1980s 8-bit computers, did you ever pause to consider how its graphics worked? Maybe the really expensive ones had dedicated CRT controller...
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ESP8266 Clock Puts Time in a Jar
Ironically, with the wide availability of modular electronic components today, the hardest part of constructing your latest gadget might just end up being able to find a decent looking enclosure for...
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Banksy’s Barely Believable Batteries
Nearly a decade ago my friend [Dru] gave me an unforgettable tour late at night of Stokes Croft, the inner suburb of Bristol known at the time for its counterculture and artistic scene. It’s a place...
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Towards Open Biomedical Imaging
We live in a world where anyone can build a CT machine. Yes, anyone. It’s made of laser-cut plywood and it looks like a Stargate. Anyone can build an MRI machine. Of course, these machines aren’t...
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Hackaday Links: October 7, 2018
Ah, crap. We lost a good one, people. [Samm Sheperd] passed away last month. We’ve seen his stuff before, from a plane with a squirrel cage fan, to completely owning a bunch of engineering students by...
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The Bells! The Bells! One Battery since 1840
It is good advice to change batteries in your fire alarms at least once a year. Even our low-power LCD calculators need new batteries from time to time. But at the University of Oxford, they have an...
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