Arduino-Powered Rocket Test Stand
https://hackaday.com/2018/12/14/arduino-powered-rocket-test-stand/
https://hackaday.com/2018/12/14/arduino-powered-rocket-test-stand/
Hackaday
Arduino-Powered Rocket Test Stand
If you’re into amateur rocketry, you pretty quickly outgrow the dinky little Estes motors that they sell in the toy stores. Many hobbyists move on to building their own homebrew solid rocket …
Vintage Plotter Turned Fruit Spectrometer
https://hackaday.com/2018/12/14/vintage-plotter-turned-fruit-spectrometer/
https://hackaday.com/2018/12/14/vintage-plotter-turned-fruit-spectrometer/
Hackaday
Vintage Plotter Turned Fruit Spectrometer
Fruit can be a tricky thing: if you buy it ripe you’ll be racing against time to eat the pieces before they turn into a mushy mess, but if you buy the ones which are a bit before their prime …
Lessons Learned From A 1-Day RTL-SDR Enclosure Project
https://hackaday.com/2018/12/14/lessons-learned-from-a-1-day-rtl-sdr-enclosure-project/
https://hackaday.com/2018/12/14/lessons-learned-from-a-1-day-rtl-sdr-enclosure-project/
Hackaday
Lessons Learned From A 1-Day RTL-SDR Enclosure Project
[ByTechLab] needed an enclosure for his R820T2 based RTL-SDR, which sports an SMA connector. Resolving to design and 3D print one in less than a day, he learned a few things about practical design …
Build Your Own Anechoic Chamber
https://hackaday.com/2018/12/14/build-your-own-anechoic-chamber/
https://hackaday.com/2018/12/14/build-your-own-anechoic-chamber/
Hackaday
Build Your Own Anechoic Chamber
For professional-level sound recording, you’ll need professional-level equipment. Microphones and mixing gear are the obvious necessities, as well as a good computer with the right software o…
Bust A Move Doesn’t Have To Be Such A Grind
https://hackaday.com/2018/12/15/bust-a-move-doesnt-have-to-be-such-a-grind/
https://hackaday.com/2018/12/15/bust-a-move-doesnt-have-to-be-such-a-grind/
Hackaday
Bust A Move Doesn’t Have To Be Such A Grind
PC gamers have the benefit of the mouse and keyboard, which are highly flexible when it comes to input devices for gaming. What’s more, the freedom of the platform means that it’s easy …
Maze Generator Keeps Plotter (and Kids) Busy
https://hackaday.com/2018/12/15/maze-generator-keeps-plotter-and-kids-busy/
https://hackaday.com/2018/12/15/maze-generator-keeps-plotter-and-kids-busy/
Hackaday
Maze Generator Keeps Plotter (and Kids) Busy
We can tell that [Jon Howell] is our kind of guy. After updating his vintage 1985 Hewlett-Packard plotter with WiFi and the ability to load SVG files, he obviously needed to find a bunch of stuff t…
Manhattan Mystery of Creepy Jingles and Random Noises Solved
https://hackaday.com/2018/12/15/manhattan-mystery-of-creepy-jingles-and-random-noises-solved/
https://hackaday.com/2018/12/15/manhattan-mystery-of-creepy-jingles-and-random-noises-solved/
Hackaday
Manhattan Mystery of Creepy Jingles and Random Noises Solved
Here’s a puzzler for you: If you’re phreaking something that’s not exactly a phone, are you still a phreak? That question probably never crossed the minds of New Yorkers who were …
Shape Shifting Structures Work With Magnets
https://hackaday.com/2018/12/15/shape-shifting-structures-work-with-magnets/
https://hackaday.com/2018/12/15/shape-shifting-structures-work-with-magnets/
Hackaday
Shape Shifting Structures Work With Magnets
In The Dark Knight, Lucius Fox shows Bruce Wayne a neat bit of memory weave fabric. In its resting state, it is a light, flexible material, but when an electrical current is applied, it pops into a…
Brushless Motor Thrust Stand Provides Useful Data
https://hackaday.com/2018/12/16/brushless-motor-thrust-stand-provides-useful-data/
https://hackaday.com/2018/12/16/brushless-motor-thrust-stand-provides-useful-data/
Hackaday
Brushless Motor Thrust Stand Provides Useful Data
When designing model aircraft of any shape or size, it’s useful to know the performance you can expect from the components chosen. For motors and propellers, this can be difficult. It’s…
OpenLN: Automating Biology for Everyone
https://hackaday.com/2018/12/16/openln-automating-biology-for-everyone/
https://hackaday.com/2018/12/16/openln-automating-biology-for-everyone/
Hackaday
OpenLH: Automating Biology for Everyone
When we took a biology lab, you had to use a mouth pipette to transfer liquids around. That always seemed odd to use your mouth to pick up something that could be dangerous. It’s also not ver…
AI Bot Plays Castlevania So You Don’t Have to
https://hackaday.com/2018/12/16/ai-bot-plays-castlevania-so-you-dont-have-to/
https://hackaday.com/2018/12/16/ai-bot-plays-castlevania-so-you-dont-have-to/
Hackaday
AI Bot Plays Castlevania So You Don’t Have to
We’re not allowed to have TV here in the Hackaday Wonder Bunker, but occasionally we’ll pool together the bandwidth credits they pay us in and gather ’round the old 3.5 inch TFT L…
Hackaday Links: December 16, 2018
https://hackaday.com/2018/12/16/hackaday-links-december-16-2018/
https://hackaday.com/2018/12/16/hackaday-links-december-16-2018/
Hackaday
Hackaday Links: December 16, 2018
Microsoft is really leaning into vaporwave these days. Microsoft is giving away knit Windows sweaters to social media influencers. Is it for an ugly sweater contest? Maybe, or maybe Microsoft is ca…
Cheap Multimeter Leads Come With Extra Ohms, Free!
https://hackaday.com/2018/12/16/cheap-multimeter-leads-come-with-extra-ohms-free/
https://hackaday.com/2018/12/16/cheap-multimeter-leads-come-with-extra-ohms-free/
Hackaday
Cheap Multimeter Leads Come With Extra Ohms, Free!
[Nop head] discovered that cheap multimeter leads costing only a few bucks can come with more than one may have bargained for. The first set had a large amount of useful-looking attachments, but th…
Musical Mod Lets MRI Scanner Soothe the Frazzled Patient
https://hackaday.com/2018/12/16/musical-mod-lets-mri-scanner-soothe-the-frazzled-patient/
https://hackaday.com/2018/12/16/musical-mod-lets-mri-scanner-soothe-the-frazzled-patient/
Hackaday
Musical Mod Lets MRI Scanner Soothe the Frazzled Patient
Hackers love to make music with things that aren’t normally considered musical instruments. We’ve all seen floppy drive orchestras, and the musical abilities of a Tesla coil can be ear-…
A Deep Dive Into Low Power WiFi Microcontrollers
https://hackaday.com/2018/12/17/a-deep-dive-into-low-power-wifi-microcontrollers/
https://hackaday.com/2018/12/17/a-deep-dive-into-low-power-wifi-microcontrollers/
Hackaday
A Deep Dive Into Low Power WiFi Microcontrollers
The Internet of Things is eating everything alive, and the world wants to know: how do you make a small, battery-powered, WiFi-enabled microcontroller device? This is a surprisingly difficult probl…
Welcome to the Slow Death of Satellite TV in America
https://hackaday.com/2018/12/17/welcome-to-the-slow-death-of-satellite-tv-in-america/
https://hackaday.com/2018/12/17/welcome-to-the-slow-death-of-satellite-tv-in-america/
Hackaday
Welcome to the Slow Death of Satellite TV in America
During an earnings call on November 29th, CEO of AT&T Communications John Donovan effectively signed the death warrant for satellite television in the United States. Just three years after spen…
Button, Button, Who’s Got the (One) Button?
https://hackaday.com/2018/12/17/button-button-whos-got-the-one-button/
https://hackaday.com/2018/12/17/button-button-whos-got-the-one-button/
Hackaday
Button, Button, Who’s Got the (One) Button?
We often think that less is more, but what can you do with a device that has only a single button? [Volos] wondered the same thing and he built an Arduino with a single button and a display. After …
The Hydrogen Economy May Be Coming Through Your Cooker
https://hackaday.com/2018/12/17/the-hydrogen-economy-may-be-coming-through-your-cooker/
https://hackaday.com/2018/12/17/the-hydrogen-economy-may-be-coming-through-your-cooker/
Hackaday
The Hydrogen Economy May Be Coming Through Your Cooker
About an hour’s drive from where this is being written there is a car plant, and as you drive past its entrance you may notice an unobtrusive sign and an extra lane with the cryptic road mark…
Arduino One Pixel Camera Sees All (Eventually)
https://hackaday.com/2018/12/17/arduino-one-pixel-camera-sees-all-eventually/
https://hackaday.com/2018/12/17/arduino-one-pixel-camera-sees-all-eventually/
Hackaday
Arduino One Pixel Camera Sees All (Eventually)
Taking pictures in the 21st century is incredibly easy. So easy in fact that most people don’t even own a dedicated camera; from smartphones to door bells there are cameras built into nearly …
Welcome Our New Insect Overlords With Arduino-Powered Ant Bot
https://hackaday.com/2018/12/17/welcome-our-new-insect-overlords-with-arduino-powered-ant-bot/
https://hackaday.com/2018/12/17/welcome-our-new-insect-overlords-with-arduino-powered-ant-bot/
Hackaday
Welcome Our New Insect Overlords With Arduino-Powered Ant Bot
Walking robots come in many forms, and each presents their own unique challenges. Bipedal style locomotion is considered particularly difficult to do well, however designs with more legs offer cert…