Start Your Day With The Mountain That Rises
https://hackaday.com/2019/12/04/start-your-day-with-the-mountain-that-rises/
Like many of us, [Zach Archer] enjoys the comfort of his darkened room so much that he has trouble getting up and facing the day. To make things a little easier for himself, he decided to put together a custom alarm clock that would fill his mornings with the glorious …read more (https://hackaday.com/2019/12/04/start-your-day-with-the-mountain-that-rises/)
https://hackaday.com/2019/12/04/start-your-day-with-the-mountain-that-rises/
Like many of us, [Zach Archer] enjoys the comfort of his darkened room so much that he has trouble getting up and facing the day. To make things a little easier for himself, he decided to put together a custom alarm clock that would fill his mornings with the glorious …read more (https://hackaday.com/2019/12/04/start-your-day-with-the-mountain-that-rises/)
Building An Engine With An A/C Compressor
https://hackaday.com/2019/12/04/building-an-engine-with-an-a-c-compressor/
Air conditioning compressors aren’t exactly a mainstay of the average hacker’s junk box. Typically, they’re either fitted to a car to do their original job, or they’re on the bench getting refurbished. However, with the right mods, it’s possible to turn one into a functioning internal combustion engine.
The build …read more (https://hackaday.com/2019/12/04/building-an-engine-with-an-a-c-compressor/)
https://hackaday.com/2019/12/04/building-an-engine-with-an-a-c-compressor/
Air conditioning compressors aren’t exactly a mainstay of the average hacker’s junk box. Typically, they’re either fitted to a car to do their original job, or they’re on the bench getting refurbished. However, with the right mods, it’s possible to turn one into a functioning internal combustion engine.
The build …read more (https://hackaday.com/2019/12/04/building-an-engine-with-an-a-c-compressor/)
A Self-Healing, Stretchable Electronic Skin
https://hackaday.com/2019/12/04/a-self-healing-stretchable-electronic-skin/
In a report published by Science Advances, a research team from the United States and Korea revealed a strain-sensitive, stretchable, and autonomous self-healing semiconductor film. In other words, they’ve created an electronic skin that’s capable of self-regulation. Time to cue the ending track from Ex Machina? Not quite. …read more (https://hackaday.com/2019/12/04/a-self-healing-stretchable-electronic-skin/)
https://hackaday.com/2019/12/04/a-self-healing-stretchable-electronic-skin/
In a report published by Science Advances, a research team from the United States and Korea revealed a strain-sensitive, stretchable, and autonomous self-healing semiconductor film. In other words, they’ve created an electronic skin that’s capable of self-regulation. Time to cue the ending track from Ex Machina? Not quite. …read more (https://hackaday.com/2019/12/04/a-self-healing-stretchable-electronic-skin/)
LED Matrix Watch Is The Smart Watch We Didn’t Know We Wanted
https://hackaday.com/2019/12/04/led-matrix-watch-is-the-smart-watch-we-didnt-know-we-wanted/
[Mile] put together this stunning LED matrix watch, on which the stars of this show are the 256 monochrome 0603 LEDs arranged in a grid on its face. The matrix is only 1.4in in the diagonal and is driven by a combination of an LED driver and some shift registers. …read more (https://hackaday.com/2019/12/04/led-matrix-watch-is-the-smart-watch-we-didnt-know-we-wanted/)
https://hackaday.com/2019/12/04/led-matrix-watch-is-the-smart-watch-we-didnt-know-we-wanted/
[Mile] put together this stunning LED matrix watch, on which the stars of this show are the 256 monochrome 0603 LEDs arranged in a grid on its face. The matrix is only 1.4in in the diagonal and is driven by a combination of an LED driver and some shift registers. …read more (https://hackaday.com/2019/12/04/led-matrix-watch-is-the-smart-watch-we-didnt-know-we-wanted/)
A Thermal Typewriter for Burning Thoughts
https://hackaday.com/2019/12/05/a-thermal-typewriter-for-burning-thoughts/
There’s a certain charm to old technologies that have been supplanted by newer versions. And we’re not just talking about aesthetic nostalgia this time. With older versions of current technology, you are still connected to the underlying process, and that’s a nice feeling.
Part of the typewriter’s charm is in …read more (https://hackaday.com/2019/12/05/a-thermal-typewriter-for-burning-thoughts/)
https://hackaday.com/2019/12/05/a-thermal-typewriter-for-burning-thoughts/
There’s a certain charm to old technologies that have been supplanted by newer versions. And we’re not just talking about aesthetic nostalgia this time. With older versions of current technology, you are still connected to the underlying process, and that’s a nice feeling.
Part of the typewriter’s charm is in …read more (https://hackaday.com/2019/12/05/a-thermal-typewriter-for-burning-thoughts/)
1984 WeatherMan Pi Shows the Ch-Ch-Ch-Ch-Changes
https://hackaday.com/2019/12/05/1984-weatherman-pi-shows-the-ch-ch-ch-ch-changes/
When [MisterM]’s MIL gave him a rad 80s portable cassette player, he jumped for joy. Once he figured out the window was exactly the same size as the standard for Raspberry Pi HATs, the possibilities left him reeling. A flurry of ideas later, he settled on a weather display featuring …read more (https://hackaday.com/2019/12/05/1984-weatherman-pi-shows-the-ch-ch-ch-ch-changes/)
https://hackaday.com/2019/12/05/1984-weatherman-pi-shows-the-ch-ch-ch-ch-changes/
When [MisterM]’s MIL gave him a rad 80s portable cassette player, he jumped for joy. Once he figured out the window was exactly the same size as the standard for Raspberry Pi HATs, the possibilities left him reeling. A flurry of ideas later, he settled on a weather display featuring …read more (https://hackaday.com/2019/12/05/1984-weatherman-pi-shows-the-ch-ch-ch-ch-changes/)
Updating to Windows 10 for Fun and Profit: Make Those OEM Keys Go Further
https://hackaday.com/2019/12/05/updating-to-windows-10-for-fun-and-profit-make-those-oem-keys-go-further/
Microsoft seems to have an every-other-version curse. We’re not sure how much of this is confirmation bias, but consider the track record of releases. Windows 95 was game-changing, Windows 98 famously crashed during live demo. Windows 2000 was amazing, Windows ME has been nicknamed the “Mistake Edition”. XP was the …read more (https://hackaday.com/2019/12/05/updating-to-windows-10-for-fun-and-profit-make-those-oem-keys-go-further/)
https://hackaday.com/2019/12/05/updating-to-windows-10-for-fun-and-profit-make-those-oem-keys-go-further/
Microsoft seems to have an every-other-version curse. We’re not sure how much of this is confirmation bias, but consider the track record of releases. Windows 95 was game-changing, Windows 98 famously crashed during live demo. Windows 2000 was amazing, Windows ME has been nicknamed the “Mistake Edition”. XP was the …read more (https://hackaday.com/2019/12/05/updating-to-windows-10-for-fun-and-profit-make-those-oem-keys-go-further/)
A STM32 Tonewheel Organ Without A Single Tonewheel
https://hackaday.com/2019/12/05/a-stm32-tonewheel-organ-without-a-single-tonewheel/
The one thing you might be surprised not to find in [Laurent]’s beautiful tonewheel organ build is any tonewheels at all.
Tonewheels were an early way to produce electronic organ sounds: by spinning a toothed wheel at different frequencies and transcending the signal one way or another it was possible …read more (https://hackaday.com/2019/12/05/a-stm32-tonewheel-organ-without-a-single-tonewheel/)
https://hackaday.com/2019/12/05/a-stm32-tonewheel-organ-without-a-single-tonewheel/
The one thing you might be surprised not to find in [Laurent]’s beautiful tonewheel organ build is any tonewheels at all.
Tonewheels were an early way to produce electronic organ sounds: by spinning a toothed wheel at different frequencies and transcending the signal one way or another it was possible …read more (https://hackaday.com/2019/12/05/a-stm32-tonewheel-organ-without-a-single-tonewheel/)
Retrotechtacular: The Gyro-X
https://hackaday.com/2019/12/05/retrotechtacular-the-gyro-x/
In the 1950s, American automobiles bloomed into curvaceous gas-guzzlers that congested the roads. The profiles coming out of Detroit began to deflate in the 1960s, but many bloat boats were still sailing the streets. For all their hulking mass, these cars really weren’t all that stable — they still had …read more (https://hackaday.com/2019/12/05/retrotechtacular-the-gyro-x/)
https://hackaday.com/2019/12/05/retrotechtacular-the-gyro-x/
In the 1950s, American automobiles bloomed into curvaceous gas-guzzlers that congested the roads. The profiles coming out of Detroit began to deflate in the 1960s, but many bloat boats were still sailing the streets. For all their hulking mass, these cars really weren’t all that stable — they still had …read more (https://hackaday.com/2019/12/05/retrotechtacular-the-gyro-x/)
Don’t Forget The Baby!
https://hackaday.com/2019/12/05/dont-forget-the-baby/
It must be a common worry among parents, that they might forget their offspring and leave them in the car where they would succumb to excessive heat. So much so that [Matt Meerian] has produced an alarm that issues a verbal reminder to check for the youngster when the vehicle …read more (https://hackaday.com/2019/12/05/dont-forget-the-baby/)
https://hackaday.com/2019/12/05/dont-forget-the-baby/
It must be a common worry among parents, that they might forget their offspring and leave them in the car where they would succumb to excessive heat. So much so that [Matt Meerian] has produced an alarm that issues a verbal reminder to check for the youngster when the vehicle …read more (https://hackaday.com/2019/12/05/dont-forget-the-baby/)
Automated Cat Feeder Leaves Little to Chance
https://hackaday.com/2019/12/05/automated-cat-feeder-leaves-little-to-chance/
We often like to say that if something is worth doing, then it’s worth overdoing. This automatic cat feeder built by [krizzli] is a perfect example of the principle. It packs in far more sensors and functions than its simple and sleek outward appearance might suggest, to the point that …read more (https://hackaday.com/2019/12/05/automated-cat-feeder-leaves-little-to-chance/)
https://hackaday.com/2019/12/05/automated-cat-feeder-leaves-little-to-chance/
We often like to say that if something is worth doing, then it’s worth overdoing. This automatic cat feeder built by [krizzli] is a perfect example of the principle. It packs in far more sensors and functions than its simple and sleek outward appearance might suggest, to the point that …read more (https://hackaday.com/2019/12/05/automated-cat-feeder-leaves-little-to-chance/)
How Safe is That Ultrasonic Bath for Flux Removal?
https://hackaday.com/2019/12/05/how-safe-is-that-ultrasonic-bath-for-flux-removal/
How do you clean the residual flux off your boards? There are plenty of ways to go about the job, ranging from “why bother?” to the careful application of isopropyl alcohol to every joint with a cotton swab. It seems like more and more people are turning to ultrasonic cleaners …read more (https://hackaday.com/2019/12/05/how-safe-is-that-ultrasonic-bath-for-flux-removal/)
https://hackaday.com/2019/12/05/how-safe-is-that-ultrasonic-bath-for-flux-removal/
How do you clean the residual flux off your boards? There are plenty of ways to go about the job, ranging from “why bother?” to the careful application of isopropyl alcohol to every joint with a cotton swab. It seems like more and more people are turning to ultrasonic cleaners …read more (https://hackaday.com/2019/12/05/how-safe-is-that-ultrasonic-bath-for-flux-removal/)
The Heat Of The Moments – Location Visualization In Python
https://hackaday.com/2019/12/05/the-heat-of-the-moments-location-visualization-in-python/
Have you ever taken a look at all the information that Google has collected about you over all these years? That is, of course, assuming you have a Google account, but that’s quite a given if you own an Android device and have privacy concerns overruled by convenience. And considering …read more (https://hackaday.com/2019/12/05/the-heat-of-the-moments-location-visualization-in-python/)
https://hackaday.com/2019/12/05/the-heat-of-the-moments-location-visualization-in-python/
Have you ever taken a look at all the information that Google has collected about you over all these years? That is, of course, assuming you have a Google account, but that’s quite a given if you own an Android device and have privacy concerns overruled by convenience. And considering …read more (https://hackaday.com/2019/12/05/the-heat-of-the-moments-location-visualization-in-python/)
A Magnetron Tear Down
https://hackaday.com/2019/12/05/a-magnetron-tear-down/
Microwave ovens are everywhere, and at the heart of them is a magnetron — a device that creates microwaves. [DiodeGoneWild] tore one apart to show us what was inside and how it works. If you decide to do this yourself, be careful. The magnetron may have insulators made of beryllium …read more (https://hackaday.com/2019/12/05/a-magnetron-tear-down/)
https://hackaday.com/2019/12/05/a-magnetron-tear-down/
Microwave ovens are everywhere, and at the heart of them is a magnetron — a device that creates microwaves. [DiodeGoneWild] tore one apart to show us what was inside and how it works. If you decide to do this yourself, be careful. The magnetron may have insulators made of beryllium …read more (https://hackaday.com/2019/12/05/a-magnetron-tear-down/)
Gameslab: The Other FPGA Game Console Badge
https://hackaday.com/2019/12/06/gameslab-the-other-fpga-game-console-badge/
Anyone who was at Supercon will no doubt remember the badges that dangled around everyone’s neck. Some were reasonable, while some were neck-straining monsters that added anything and everything to hack the badge into something cool. We saw everything from AI cameras to a fully autonomous vehicle being worn with …read more (https://hackaday.com/2019/12/06/gameslab-the-other-fpga-game-console-badge/)
https://hackaday.com/2019/12/06/gameslab-the-other-fpga-game-console-badge/
Anyone who was at Supercon will no doubt remember the badges that dangled around everyone’s neck. Some were reasonable, while some were neck-straining monsters that added anything and everything to hack the badge into something cool. We saw everything from AI cameras to a fully autonomous vehicle being worn with …read more (https://hackaday.com/2019/12/06/gameslab-the-other-fpga-game-console-badge/)
Not-Quite-So-Hot Stuff: A Thermal Exam On The Latest Raspberry Pi
https://hackaday.com/2019/12/06/not-quite-so-hot-stuff-a-thermal-exam-on-the-latest-raspberry-pi/
When the Raspberry Pi 4 was first launched, one of its few perceived flaws was that it had a propensity to get extremely hot. It’s evidently something the Pi people take very seriously, so in the months since they have addressed the problem with a set of firmware updates. Now …read more (https://hackaday.com/2019/12/06/not-quite-so-hot-stuff-a-thermal-exam-on-the-latest-raspberry-pi/)
https://hackaday.com/2019/12/06/not-quite-so-hot-stuff-a-thermal-exam-on-the-latest-raspberry-pi/
When the Raspberry Pi 4 was first launched, one of its few perceived flaws was that it had a propensity to get extremely hot. It’s evidently something the Pi people take very seriously, so in the months since they have addressed the problem with a set of firmware updates. Now …read more (https://hackaday.com/2019/12/06/not-quite-so-hot-stuff-a-thermal-exam-on-the-latest-raspberry-pi/)
This Week in Security: Tegra Bootjacking, Leaking SSH, and StrandHogg
https://hackaday.com/2019/12/06/this-week-in-security-tegra-bootjacking-leaking-ssh-and-strandhogg/
CVE-2019-5700 is a vulnerability in the Nvidia Tegra bootloader, discovered by [Ryan Grachek], and breaking first here at Hackaday. To understand the vulnerability, one first has to understand a bit about the Tegra boot process. When the device is powered on, a irom firmware loads the next stage of the …read more (https://hackaday.com/2019/12/06/this-week-in-security-tegra-bootjacking-leaking-ssh-and-strandhogg/)
https://hackaday.com/2019/12/06/this-week-in-security-tegra-bootjacking-leaking-ssh-and-strandhogg/
CVE-2019-5700 is a vulnerability in the Nvidia Tegra bootloader, discovered by [Ryan Grachek], and breaking first here at Hackaday. To understand the vulnerability, one first has to understand a bit about the Tegra boot process. When the device is powered on, a irom firmware loads the next stage of the …read more (https://hackaday.com/2019/12/06/this-week-in-security-tegra-bootjacking-leaking-ssh-and-strandhogg/)
Tuning Up the ThinkGeek Star Trek Intercom Panel
https://hackaday.com/2019/12/06/tuning-up-the-thinkgeek-star-trek-intercom-panel/
On Star Trek, all Kirk and friends had to do was snap the button on the always conveniently located intercom panel, start talking, and the intended recipient would immediately respond no matter where they were in the ship. How did it work? Who knows. In spite of, or perhaps …read more (https://hackaday.com/2019/12/06/tuning-up-the-thinkgeek-star-trek-intercom-panel/)
https://hackaday.com/2019/12/06/tuning-up-the-thinkgeek-star-trek-intercom-panel/
On Star Trek, all Kirk and friends had to do was snap the button on the always conveniently located intercom panel, start talking, and the intended recipient would immediately respond no matter where they were in the ship. How did it work? Who knows. In spite of, or perhaps …read more (https://hackaday.com/2019/12/06/tuning-up-the-thinkgeek-star-trek-intercom-panel/)
Hackaday Podcast 045: Raspberry Pi Bug, Rapidly Aging Vodka, Raining on the Cloud, and This Wasn’t a Supercon Episode
https://hackaday.com/2019/12/06/hackaday-podcast-045-raspberry-pi-bug-rapidly-aging-vodka-raining-on-the-cloud-and-this-wasnt-a-supercon-episode/
Hackaday editors Mike Szczys and Elliot Williams talk over the last three weeks full of hacks. Our first “back to normal” podcast after Supercon turns out to still have a lot of Supercon references in it. We discuss Raspberry Pi 4’s HDMI interfering with its WiFi, learn the differences between …read more (https://hackaday.com/2019/12/06/hackaday-podcast-045-raspberry-pi-bug-rapidly-aging-vodka-raining-on-the-cloud-and-this-wasnt-a-supercon-episode/)
https://hackaday.com/2019/12/06/hackaday-podcast-045-raspberry-pi-bug-rapidly-aging-vodka-raining-on-the-cloud-and-this-wasnt-a-supercon-episode/
Hackaday editors Mike Szczys and Elliot Williams talk over the last three weeks full of hacks. Our first “back to normal” podcast after Supercon turns out to still have a lot of Supercon references in it. We discuss Raspberry Pi 4’s HDMI interfering with its WiFi, learn the differences between …read more (https://hackaday.com/2019/12/06/hackaday-podcast-045-raspberry-pi-bug-rapidly-aging-vodka-raining-on-the-cloud-and-this-wasnt-a-supercon-episode/)
Chandrayaan-2 Found by Citizen Scientist; Reminds Us of Pluto Discovery
https://hackaday.com/2019/12/06/chandrayaan-2-found-by-citizen-scientist-reminds-us-of-pluto-discovery/
What does Pluto — not the dog, but the non-Planet — have in common with the Vikram lunar lander launched by India? Both were found by making very tiny comparisons to photographs. You’d think landing something on the moon would be old hat by now, but it turns out only …read more (https://hackaday.com/2019/12/06/chandrayaan-2-found-by-citizen-scientist-reminds-us-of-pluto-discovery/)
https://hackaday.com/2019/12/06/chandrayaan-2-found-by-citizen-scientist-reminds-us-of-pluto-discovery/
What does Pluto — not the dog, but the non-Planet — have in common with the Vikram lunar lander launched by India? Both were found by making very tiny comparisons to photographs. You’d think landing something on the moon would be old hat by now, but it turns out only …read more (https://hackaday.com/2019/12/06/chandrayaan-2-found-by-citizen-scientist-reminds-us-of-pluto-discovery/)