Old CDs Create A Haunting Rainbow Vortex
https://hackaday.com/2019/07/10/old-cds-create-a-haunting-rainbow-vortex/
The 1960s were, in Western culture, a time of great social and political upheaval, and the dawning of the psychedelia subculture. This resulted in an art style consisting of bright colours in wild, shifting designs. [Afraser-kruck] has built a device capable of generating beautiful rainbow light patterns, which he calls …read more (https://hackaday.com/2019/07/10/old-cds-create-a-haunting-rainbow-vortex/)
https://hackaday.com/2019/07/10/old-cds-create-a-haunting-rainbow-vortex/
The 1960s were, in Western culture, a time of great social and political upheaval, and the dawning of the psychedelia subculture. This resulted in an art style consisting of bright colours in wild, shifting designs. [Afraser-kruck] has built a device capable of generating beautiful rainbow light patterns, which he calls …read more (https://hackaday.com/2019/07/10/old-cds-create-a-haunting-rainbow-vortex/)
Measure Your YouTube Importance
https://hackaday.com/2019/07/10/measure-your-youtube-importance/
How do you hack your motivation? Do you put red marker Xs on a paper calendar every day you exercise? Do you use an egg timer to sprint through dozens of emails? Do you lock all the doors and shut off your data to write some bulletproof code? If you …read more (https://hackaday.com/2019/07/10/measure-your-youtube-importance/)
https://hackaday.com/2019/07/10/measure-your-youtube-importance/
How do you hack your motivation? Do you put red marker Xs on a paper calendar every day you exercise? Do you use an egg timer to sprint through dozens of emails? Do you lock all the doors and shut off your data to write some bulletproof code? If you …read more (https://hackaday.com/2019/07/10/measure-your-youtube-importance/)
A Drop-In Controller Replacement For Commercial Reflow Ovens
https://hackaday.com/2019/07/11/a-drop-in-controller-replacement-for-commercial-reflow-ovens/
If you need a reflow oven, you can very easily head down to Walmart or Target and pick up a toaster oven for fifteen bucks or so. Even without any control electronics, a bone-stock toaster oven works well enough for reflow soldering, but if you want to do it right …read more (https://hackaday.com/2019/07/11/a-drop-in-controller-replacement-for-commercial-reflow-ovens/)
https://hackaday.com/2019/07/11/a-drop-in-controller-replacement-for-commercial-reflow-ovens/
If you need a reflow oven, you can very easily head down to Walmart or Target and pick up a toaster oven for fifteen bucks or so. Even without any control electronics, a bone-stock toaster oven works well enough for reflow soldering, but if you want to do it right …read more (https://hackaday.com/2019/07/11/a-drop-in-controller-replacement-for-commercial-reflow-ovens/)
Make A Compatible Raspberry Pi Clone – But Your Pi Must Die
https://hackaday.com/2019/07/11/make-a-compatible-raspberry-pi-clone-but-your-pi-must-die/
The world is awash with Raspberry Pi clones that boast fruity names, but those looking for a piece of the real thing will find their compatibility only goes so far. Shaky Linux distros abound and, with a few honourable exceptions, they are not for the faint-hearted. The reason that a …read more (https://hackaday.com/2019/07/11/make-a-compatible-raspberry-pi-clone-but-your-pi-must-die/)
https://hackaday.com/2019/07/11/make-a-compatible-raspberry-pi-clone-but-your-pi-must-die/
The world is awash with Raspberry Pi clones that boast fruity names, but those looking for a piece of the real thing will find their compatibility only goes so far. Shaky Linux distros abound and, with a few honourable exceptions, they are not for the faint-hearted. The reason that a …read more (https://hackaday.com/2019/07/11/make-a-compatible-raspberry-pi-clone-but-your-pi-must-die/)
Robotic Dishwashers and Dishwashing as a Service
https://hackaday.com/2019/07/11/robotic-dishwashers-and-dishwashing-as-a-service/
There’s a story that goes back to the 1980s or so about an engineering professor who laid down a challenge to the students of his automation class: design a robot to perform the most mundane of household tasks — washing the dishes. The students divided up into groups, batted ideas …read more (https://hackaday.com/2019/07/11/robotic-dishwashers-and-dishwashing-as-a-service/)
https://hackaday.com/2019/07/11/robotic-dishwashers-and-dishwashing-as-a-service/
There’s a story that goes back to the 1980s or so about an engineering professor who laid down a challenge to the students of his automation class: design a robot to perform the most mundane of household tasks — washing the dishes. The students divided up into groups, batted ideas …read more (https://hackaday.com/2019/07/11/robotic-dishwashers-and-dishwashing-as-a-service/)
Minimalist Word Clock Does Things Neatly
https://hackaday.com/2019/07/11/minimalist-word-clock-does-things-neatly/
Word clocks are a cool way to tell the time. While they could have probably been built back in the 1960s with a bunch of relays and bulbs, they really only came into their own in the LED-everything era. [Vatsal Agarwal] built one of his own, showcasing his maker credentials. …read more (https://hackaday.com/2019/07/11/minimalist-word-clock-does-things-neatly/)
https://hackaday.com/2019/07/11/minimalist-word-clock-does-things-neatly/
Word clocks are a cool way to tell the time. While they could have probably been built back in the 1960s with a bunch of relays and bulbs, they really only came into their own in the LED-everything era. [Vatsal Agarwal] built one of his own, showcasing his maker credentials. …read more (https://hackaday.com/2019/07/11/minimalist-word-clock-does-things-neatly/)
Learning About Wearable Engineering While Trying to Un-Taboo a Topic
https://hackaday.com/2019/07/11/learning-about-wearable-engineering-while-trying-to-un-taboo-a-topic/
When you build a machine you can usually count on having precise dimensions for an organized and orderly set of parts, one fitting into the next exactly as you have designed them. You can count on cause and effect — when the user pushes a button or flips a switch …read more (https://hackaday.com/2019/07/11/learning-about-wearable-engineering-while-trying-to-un-taboo-a-topic/)
https://hackaday.com/2019/07/11/learning-about-wearable-engineering-while-trying-to-un-taboo-a-topic/
When you build a machine you can usually count on having precise dimensions for an organized and orderly set of parts, one fitting into the next exactly as you have designed them. You can count on cause and effect — when the user pushes a button or flips a switch …read more (https://hackaday.com/2019/07/11/learning-about-wearable-engineering-while-trying-to-un-taboo-a-topic/)
Adding LoRa Long Range Radio To Smartphones And Connected Devices
https://hackaday.com/2019/07/11/adding-lora-long-range-radio-to-smartphones-and-connected-devices/
Would you add another radio to your smartphone? No, not another WiFi or cellular radio; a smartphone already has that. I’m talking about something that provides connectivity through ISM bands, either 433 or 915 MHz. This can be used where you don’t have cell phone coverage, and it has a …read more (https://hackaday.com/2019/07/11/adding-lora-long-range-radio-to-smartphones-and-connected-devices/)
https://hackaday.com/2019/07/11/adding-lora-long-range-radio-to-smartphones-and-connected-devices/
Would you add another radio to your smartphone? No, not another WiFi or cellular radio; a smartphone already has that. I’m talking about something that provides connectivity through ISM bands, either 433 or 915 MHz. This can be used where you don’t have cell phone coverage, and it has a …read more (https://hackaday.com/2019/07/11/adding-lora-long-range-radio-to-smartphones-and-connected-devices/)
This Nerf Gun Is Terrifyingly Huge
https://hackaday.com/2019/07/11/nerf-gatling-gun-is-terrifyingly-huge/
Gatling guns were an early attempt at creating a rapid-firing weapon, and were popular amongst armies in the 19th century. Today, the basic design remains in use as a heavy weapon for putting many rounds downrange very quickly. [Ivan Miranda] decided that the Nerf world was missing a piece of …read more (https://hackaday.com/2019/07/11/nerf-gatling-gun-is-terrifyingly-huge/)
https://hackaday.com/2019/07/11/nerf-gatling-gun-is-terrifyingly-huge/
Gatling guns were an early attempt at creating a rapid-firing weapon, and were popular amongst armies in the 19th century. Today, the basic design remains in use as a heavy weapon for putting many rounds downrange very quickly. [Ivan Miranda] decided that the Nerf world was missing a piece of …read more (https://hackaday.com/2019/07/11/nerf-gatling-gun-is-terrifyingly-huge/)
Motorized Lens Controller Techs Up Your Webcam
https://hackaday.com/2019/07/11/motorized-lens-controller-techs-up-your-webcam/
If you’re familiar with the DSLR camera market, you’d know that modern lenses are works of technological art. Crammed full of motors and delicate electronic assemblies, they’re bursting with features such as autofocus, optical stabilization and zoom. [Saulius Lukse] has been experimenting with motorized lenses for webcam applications, and has …read more (https://hackaday.com/2019/07/11/motorized-lens-controller-techs-up-your-webcam/)
https://hackaday.com/2019/07/11/motorized-lens-controller-techs-up-your-webcam/
If you’re familiar with the DSLR camera market, you’d know that modern lenses are works of technological art. Crammed full of motors and delicate electronic assemblies, they’re bursting with features such as autofocus, optical stabilization and zoom. [Saulius Lukse] has been experimenting with motorized lenses for webcam applications, and has …read more (https://hackaday.com/2019/07/11/motorized-lens-controller-techs-up-your-webcam/)
The Physics Behind Antennas
https://hackaday.com/2019/07/11/the-physics-behind-antennas/
If you have done any sort of radio work you probably have a fair idea about what antennas do. It is pretty easy to have a cursory understanding of them, too. You probably know there’s something magic about antennas that are a quarter wave long or a half wave long …read more (https://hackaday.com/2019/07/11/the-physics-behind-antennas/)
https://hackaday.com/2019/07/11/the-physics-behind-antennas/
If you have done any sort of radio work you probably have a fair idea about what antennas do. It is pretty easy to have a cursory understanding of them, too. You probably know there’s something magic about antennas that are a quarter wave long or a half wave long …read more (https://hackaday.com/2019/07/11/the-physics-behind-antennas/)
Lessons Learned From An Art Installation Build
https://hackaday.com/2019/07/11/lessons-learned-from-an-art-installation-build/
Art installations are an interesting business, which more and more often tend to include electronic or mechanical aspects to their creation. Compared to more mainstream engineering, things in this space are often done quite a bit differently. [Jan Enning-Kleinejan] worked on an installation called Prendre la parole, and shared the …read more (https://hackaday.com/2019/07/11/lessons-learned-from-an-art-installation-build/)
https://hackaday.com/2019/07/11/lessons-learned-from-an-art-installation-build/
Art installations are an interesting business, which more and more often tend to include electronic or mechanical aspects to their creation. Compared to more mainstream engineering, things in this space are often done quite a bit differently. [Jan Enning-Kleinejan] worked on an installation called Prendre la parole, and shared the …read more (https://hackaday.com/2019/07/11/lessons-learned-from-an-art-installation-build/)
Preserving Precious Laptop Stickers
https://hackaday.com/2019/07/12/preserving-precious-laptop-stickers/
Stickers belong on laptops. That’s not just because all developers are issued a 2015 MacBook Pro at birth to zealously hold and cherish for the rest of their careers, and the vast uniformity of laptop models in the workplace makes each individual’s laptop indistinguishable from anyone else’s. No, stickers belong …read more (https://hackaday.com/2019/07/12/preserving-precious-laptop-stickers/)
https://hackaday.com/2019/07/12/preserving-precious-laptop-stickers/
Stickers belong on laptops. That’s not just because all developers are issued a 2015 MacBook Pro at birth to zealously hold and cherish for the rest of their careers, and the vast uniformity of laptop models in the workplace makes each individual’s laptop indistinguishable from anyone else’s. No, stickers belong …read more (https://hackaday.com/2019/07/12/preserving-precious-laptop-stickers/)
Paint the Rainbow with this Skittle-Dropping Pixel Art Robot
https://hackaday.com/2019/07/12/paint-the-rainbow-with-this-skittle-dropping-pixel-art-robot/
We hackers just can’t get enough of sorters for confections like Skittles and M&Ms, the latter clearly being the superior candy in terms of both sorting and snackability. Sorting isn’t just about taking a hopper of every color and making neat monochromatic piles, though. [JohnO3] noticed that all those colorful …read more (https://hackaday.com/2019/07/12/paint-the-rainbow-with-this-skittle-dropping-pixel-art-robot/)
https://hackaday.com/2019/07/12/paint-the-rainbow-with-this-skittle-dropping-pixel-art-robot/
We hackers just can’t get enough of sorters for confections like Skittles and M&Ms, the latter clearly being the superior candy in terms of both sorting and snackability. Sorting isn’t just about taking a hopper of every color and making neat monochromatic piles, though. [JohnO3] noticed that all those colorful …read more (https://hackaday.com/2019/07/12/paint-the-rainbow-with-this-skittle-dropping-pixel-art-robot/)
This week in Security: Censoring Researchers, The Death of OpenPGP, Dereferencing Nulls, and Zoom is Watching You
https://hackaday.com/2019/07/12/this-week-in-security-censoring-researchers-the-death-of-openpgp-dereferencing-nulls-and-zoom-is-watching-you/
Last week the schedule for our weekly security column collided with the Independence Day holiday. The upside is that we get a two-for-one deal this week, as we’re covering two weeks worth of news, and there is a lot to cover!
[Petko Petrov], a security researcher in Bulgaria, was arrested …read more (https://hackaday.com/2019/07/12/this-week-in-security-censoring-researchers-the-death-of-openpgp-dereferencing-nulls-and-zoom-is-watching-you/)
https://hackaday.com/2019/07/12/this-week-in-security-censoring-researchers-the-death-of-openpgp-dereferencing-nulls-and-zoom-is-watching-you/
Last week the schedule for our weekly security column collided with the Independence Day holiday. The upside is that we get a two-for-one deal this week, as we’re covering two weeks worth of news, and there is a lot to cover!
[Petko Petrov], a security researcher in Bulgaria, was arrested …read more (https://hackaday.com/2019/07/12/this-week-in-security-censoring-researchers-the-death-of-openpgp-dereferencing-nulls-and-zoom-is-watching-you/)
Defeating The Wii Mini As The Internet Watches Over Your Shoulder
https://hackaday.com/2019/07/12/defeating-the-wii-mini-as-the-internet-watches-over-your-shoulder/
Working under the pressure of being watched on a live feed, [DeadlyFoez] pits himself against the so-called unhackable Wii Mini and shows unprecedented results all while recording hours of footage of his process for others to follow along. We dug through that content to find the gems of the process, …read more (https://hackaday.com/2019/07/12/defeating-the-wii-mini-as-the-internet-watches-over-your-shoulder/)
https://hackaday.com/2019/07/12/defeating-the-wii-mini-as-the-internet-watches-over-your-shoulder/
Working under the pressure of being watched on a live feed, [DeadlyFoez] pits himself against the so-called unhackable Wii Mini and shows unprecedented results all while recording hours of footage of his process for others to follow along. We dug through that content to find the gems of the process, …read more (https://hackaday.com/2019/07/12/defeating-the-wii-mini-as-the-internet-watches-over-your-shoulder/)
Hackaday Podcast 026: Tamper-Proof Electronics, Selfie Drones, Rocket Fuel, Wire Benders, and Wizard-Level Soldering
https://hackaday.com/2019/07/12/hackaday-podcast-026-tamper-proof-electronics-selfie-drones-rocket-fuel-wire-benders-and-wizard-level-soldering/
Hackaday Editors Mike Szczys and Elliot Williams are back after last week’s holiday break to track down all of the hacks you missed. There are some doozies; a selfie-drone controlled by your body position, a Theremin that sings better than you can, how about a BGA hand-soldering project whose creator …read more (https://hackaday.com/2019/07/12/hackaday-podcast-026-tamper-proof-electronics-selfie-drones-rocket-fuel-wire-benders-and-wizard-level-soldering/)
https://hackaday.com/2019/07/12/hackaday-podcast-026-tamper-proof-electronics-selfie-drones-rocket-fuel-wire-benders-and-wizard-level-soldering/
Hackaday Editors Mike Szczys and Elliot Williams are back after last week’s holiday break to track down all of the hacks you missed. There are some doozies; a selfie-drone controlled by your body position, a Theremin that sings better than you can, how about a BGA hand-soldering project whose creator …read more (https://hackaday.com/2019/07/12/hackaday-podcast-026-tamper-proof-electronics-selfie-drones-rocket-fuel-wire-benders-and-wizard-level-soldering/)
Linux Fu: Named Pipe Dreams
https://hackaday.com/2019/07/12/linux-fu-named-pipe-dreams/
If you use just about any modern command line, you probably understand the idea of pipes. Pipes are the ability to connect the output from one program to the input of another. For example, you can more easily review contents of a large directory on a Linux machine by connecting …read more (https://hackaday.com/2019/07/12/linux-fu-named-pipe-dreams/)
https://hackaday.com/2019/07/12/linux-fu-named-pipe-dreams/
If you use just about any modern command line, you probably understand the idea of pipes. Pipes are the ability to connect the output from one program to the input of another. For example, you can more easily review contents of a large directory on a Linux machine by connecting …read more (https://hackaday.com/2019/07/12/linux-fu-named-pipe-dreams/)
Handheld Game Console Puts Processing Power In The Cartridge
https://hackaday.com/2019/07/12/handheld-game-console-puts-processing-power-in-the-cartridge/
With the proliferation of cheap screens for use with microcontrollers, we’ve seen a matching proliferation in small handheld gaming projects. Pick your favourite chip, grab a screen off the usual suspects, add some buttons and you’re ready to go. [bobricius] has put a unique spin on this, with an unconventional …read more (https://hackaday.com/2019/07/12/handheld-game-console-puts-processing-power-in-the-cartridge/)
https://hackaday.com/2019/07/12/handheld-game-console-puts-processing-power-in-the-cartridge/
With the proliferation of cheap screens for use with microcontrollers, we’ve seen a matching proliferation in small handheld gaming projects. Pick your favourite chip, grab a screen off the usual suspects, add some buttons and you’re ready to go. [bobricius] has put a unique spin on this, with an unconventional …read more (https://hackaday.com/2019/07/12/handheld-game-console-puts-processing-power-in-the-cartridge/)
Photochromic Screen Makes For An Interesting Clock
https://hackaday.com/2019/07/12/photochromic-screen-makes-for-an-interesting-clock/
The clock project will always be a hacker staple, giving the builder a great way to build something useful and express their individual flair. [Mosivers] was undertaking a build of their own and decided to go for a twist, creating a timepiece with a photochromic display.
The clock uses an …read more (https://hackaday.com/2019/07/12/photochromic-screen-makes-for-an-interesting-clock/)
https://hackaday.com/2019/07/12/photochromic-screen-makes-for-an-interesting-clock/
The clock project will always be a hacker staple, giving the builder a great way to build something useful and express their individual flair. [Mosivers] was undertaking a build of their own and decided to go for a twist, creating a timepiece with a photochromic display.
The clock uses an …read more (https://hackaday.com/2019/07/12/photochromic-screen-makes-for-an-interesting-clock/)
Keep Pesky Cats At Bay With A Machine-Learning Turret Gun
https://hackaday.com/2019/07/12/keep-pesky-cats-at-bay-with-a-machine-learning-turret-gun/
It doesn’t take long after getting a cat in your life to learn who’s really in charge. Cats do pretty much what they want to do, when they want to do it, and for exactly as long as it suits them. Any correlation with your wants and needs is strictly …read more (https://hackaday.com/2019/07/12/keep-pesky-cats-at-bay-with-a-machine-learning-turret-gun/)
https://hackaday.com/2019/07/12/keep-pesky-cats-at-bay-with-a-machine-learning-turret-gun/
It doesn’t take long after getting a cat in your life to learn who’s really in charge. Cats do pretty much what they want to do, when they want to do it, and for exactly as long as it suits them. Any correlation with your wants and needs is strictly …read more (https://hackaday.com/2019/07/12/keep-pesky-cats-at-bay-with-a-machine-learning-turret-gun/)