This Week in Security: Signal, WhatsApp, Oauth Fishing, and More State-Sponsored Attacks
https://hackaday.com/2019/10/11/this-week-in-security-signal-whatsapp-oauth-fishing-and-more-state-sponsored-attacks/
A bug was recently fix in Signal that allowed a caller to force a call connection without any user interaction on the receiving side. We’ve seen this sort of problem in other chat applications, most recently the Zoom debacle.
The Signal client uses the same function to connect an outgoing …read more (https://hackaday.com/2019/10/11/this-week-in-security-signal-whatsapp-oauth-fishing-and-more-state-sponsored-attacks/)
https://hackaday.com/2019/10/11/this-week-in-security-signal-whatsapp-oauth-fishing-and-more-state-sponsored-attacks/
A bug was recently fix in Signal that allowed a caller to force a call connection without any user interaction on the receiving side. We’ve seen this sort of problem in other chat applications, most recently the Zoom debacle.
The Signal client uses the same function to connect an outgoing …read more (https://hackaday.com/2019/10/11/this-week-in-security-signal-whatsapp-oauth-fishing-and-more-state-sponsored-attacks/)
Everything Makes Sound if You Try Hard Enough
https://hackaday.com/2019/10/11/everything-makes-sound-if-you-try-hard-enough/
Speaker cone materials can be a deep rabbit hole ranging from inexpensive paper to kevlar. We’ve all cut apart, or blown out, the cheapies to see their inner workings, but the exotic material list does not stop at audiophile-quality models. It can include mirrors, microwave ovens, and a European hacker’s …read more (https://hackaday.com/2019/10/11/everything-makes-sound-if-you-try-hard-enough/)
https://hackaday.com/2019/10/11/everything-makes-sound-if-you-try-hard-enough/
Speaker cone materials can be a deep rabbit hole ranging from inexpensive paper to kevlar. We’ve all cut apart, or blown out, the cheapies to see their inner workings, but the exotic material list does not stop at audiophile-quality models. It can include mirrors, microwave ovens, and a European hacker’s …read more (https://hackaday.com/2019/10/11/everything-makes-sound-if-you-try-hard-enough/)
Hackaday Podcast 039: Elliot
https://hackaday.com/2019/10/11/hackaday-podcast-039-elliot/
Hackaday Editors Elliot Williams and Mike Szczys recap a week full of hacks from the solar sailing RC plane that has zero power storage, to geeking out about lightning detectors and hacking Ikea LED controllers to unlock real dimming to building backyard wind turbines. We look up an IoT egg …read more (https://hackaday.com/2019/10/11/hackaday-podcast-039-elliot/)
https://hackaday.com/2019/10/11/hackaday-podcast-039-elliot/
Hackaday Editors Elliot Williams and Mike Szczys recap a week full of hacks from the solar sailing RC plane that has zero power storage, to geeking out about lightning detectors and hacking Ikea LED controllers to unlock real dimming to building backyard wind turbines. We look up an IoT egg …read more (https://hackaday.com/2019/10/11/hackaday-podcast-039-elliot/)
Latest Dose of Hardware Talks Headed to Supercon
https://hackaday.com/2019/10/11/latest-dose-of-hardware-talks-headed-to-supercon/
The tickets have sold out even as the list of incredible speakers grows. Today we bring you the third dose of talks you’ll see at the Hackaday Superconference in November — whether you were lucky enough to grab a ticket, or will be watching the livestream, these eight will be …read more (https://hackaday.com/2019/10/11/latest-dose-of-hardware-talks-headed-to-supercon/)
https://hackaday.com/2019/10/11/latest-dose-of-hardware-talks-headed-to-supercon/
The tickets have sold out even as the list of incredible speakers grows. Today we bring you the third dose of talks you’ll see at the Hackaday Superconference in November — whether you were lucky enough to grab a ticket, or will be watching the livestream, these eight will be …read more (https://hackaday.com/2019/10/11/latest-dose-of-hardware-talks-headed-to-supercon/)
Portrait Painter Turns G-Code Into Artworks
https://hackaday.com/2019/10/11/portrait-painter-turns-g-code-into-artworks/
Portrait painting is, by and large, a human endeavour. But, like any and all skills, there are machines ready and willing to take a crack at it. [Jose Salatino] has built just such a machine, and the results are impressive.
[Jose’s] portrait painter relies on a Cartesian CNC setup, with …read more (https://hackaday.com/2019/10/11/portrait-painter-turns-g-code-into-artworks/)
https://hackaday.com/2019/10/11/portrait-painter-turns-g-code-into-artworks/
Portrait painting is, by and large, a human endeavour. But, like any and all skills, there are machines ready and willing to take a crack at it. [Jose Salatino] has built just such a machine, and the results are impressive.
[Jose’s] portrait painter relies on a Cartesian CNC setup, with …read more (https://hackaday.com/2019/10/11/portrait-painter-turns-g-code-into-artworks/)
Fortified Feeder For Feral Felines
https://hackaday.com/2019/10/11/fortified-feeder-for-feral-felines/
Most of the commercially-available pet feeders littering the internet are cheaply-made, with wimpy motors and infuriating interfaces. Want to use it outdoors? Good luck. If you need a heavy-duty, outdoor cat feeder, you gotta heat up your soldering iron and do it yourself.
[jplanaux] is under contract to feed a …read more (https://hackaday.com/2019/10/11/fortified-feeder-for-feral-felines/)
https://hackaday.com/2019/10/11/fortified-feeder-for-feral-felines/
Most of the commercially-available pet feeders littering the internet are cheaply-made, with wimpy motors and infuriating interfaces. Want to use it outdoors? Good luck. If you need a heavy-duty, outdoor cat feeder, you gotta heat up your soldering iron and do it yourself.
[jplanaux] is under contract to feed a …read more (https://hackaday.com/2019/10/11/fortified-feeder-for-feral-felines/)
Tearing Down IKEA’S Sonos Speaker
https://hackaday.com/2019/10/11/tearing-down-ikeas-sonos-speaker/
There’s little better way to learn about a piece of electronics than by tearing it down. Taking a peek under the hood can reveal all manner of things about a device’s design, manufacturing, and origins. [This Does Not Compute] does a great job of doing just that, digging into the …read more (https://hackaday.com/2019/10/11/tearing-down-ikeas-sonos-speaker/)
https://hackaday.com/2019/10/11/tearing-down-ikeas-sonos-speaker/
There’s little better way to learn about a piece of electronics than by tearing it down. Taking a peek under the hood can reveal all manner of things about a device’s design, manufacturing, and origins. [This Does Not Compute] does a great job of doing just that, digging into the …read more (https://hackaday.com/2019/10/11/tearing-down-ikeas-sonos-speaker/)
Fast Video Covers Coax Velocity Factor
https://hackaday.com/2019/10/11/fast-video-covers-coax-velocity-factor/
We once saw an interview test for C programmers that showed a structure with a few integer, floating point, and pointer fields. The question: How big is this structure? The correct answer was either “It depends,” or “sizeof(struct x).” The same could be said of the question “What is the …read more (https://hackaday.com/2019/10/11/fast-video-covers-coax-velocity-factor/)
https://hackaday.com/2019/10/11/fast-video-covers-coax-velocity-factor/
We once saw an interview test for C programmers that showed a structure with a few integer, floating point, and pointer fields. The question: How big is this structure? The correct answer was either “It depends,” or “sizeof(struct x).” The same could be said of the question “What is the …read more (https://hackaday.com/2019/10/11/fast-video-covers-coax-velocity-factor/)
Extreme Refurbishing: Amiga Edition
https://hackaday.com/2019/10/11/extreme-refurbishing-amiga-edition/
The last Amiga personal computer rolled off the assembly line in 1996, well over 20 years ago. Of course, they had their real heyday in the late 80s, so obviously if you have any around now they’ll be in need of a little bit of attention. [Drygol] recently received what …read more (https://hackaday.com/2019/10/11/extreme-refurbishing-amiga-edition/)
https://hackaday.com/2019/10/11/extreme-refurbishing-amiga-edition/
The last Amiga personal computer rolled off the assembly line in 1996, well over 20 years ago. Of course, they had their real heyday in the late 80s, so obviously if you have any around now they’ll be in need of a little bit of attention. [Drygol] recently received what …read more (https://hackaday.com/2019/10/11/extreme-refurbishing-amiga-edition/)
How to make a living with Embedded Systems
https://hackaday.com/2019/10/12/how-to-make-a-living-with-embedded-systems/
One of the biggest dreams anyone has is to make a living doing what they love. For all hackers, makers, and DIYers with a passion for embedded systems, it may make sense initially to pursue embedded systems design as a possible career, but without so much information on the types …read more (https://hackaday.com/2019/10/12/how-to-make-a-living-with-embedded-systems/)
https://hackaday.com/2019/10/12/how-to-make-a-living-with-embedded-systems/
One of the biggest dreams anyone has is to make a living doing what they love. For all hackers, makers, and DIYers with a passion for embedded systems, it may make sense initially to pursue embedded systems design as a possible career, but without so much information on the types …read more (https://hackaday.com/2019/10/12/how-to-make-a-living-with-embedded-systems/)
Make Your Own Plasma Cutter
https://hackaday.com/2019/10/12/make-your-own-plasma-cutter/
Of all the tools that exist, there aren’t many more futuristic than the plasma cutter, if a modern Star Wars cosplay if your idea of futuristic. That being said, plasma cutters are a powerful tool capable of making neat cuts through practically any material, and there are certainly worst ways …read more (https://hackaday.com/2019/10/12/make-your-own-plasma-cutter/)
https://hackaday.com/2019/10/12/make-your-own-plasma-cutter/
Of all the tools that exist, there aren’t many more futuristic than the plasma cutter, if a modern Star Wars cosplay if your idea of futuristic. That being said, plasma cutters are a powerful tool capable of making neat cuts through practically any material, and there are certainly worst ways …read more (https://hackaday.com/2019/10/12/make-your-own-plasma-cutter/)
Dealing with Missing Pin Allocations
https://hackaday.com/2019/10/12/dealing-with-missing-pin-allocations/
Blindsided by missing pin allocations? Perhaps you’re working on a piece of hardware and you notice that the documentation is entirely wrong. How can you get your device to work?
[Dani Eichhorn]’s troubles began when running an IoT workshop using a camera module. Prior to the work, no one had …read more (https://hackaday.com/2019/10/12/dealing-with-missing-pin-allocations/)
https://hackaday.com/2019/10/12/dealing-with-missing-pin-allocations/
Blindsided by missing pin allocations? Perhaps you’re working on a piece of hardware and you notice that the documentation is entirely wrong. How can you get your device to work?
[Dani Eichhorn]’s troubles began when running an IoT workshop using a camera module. Prior to the work, no one had …read more (https://hackaday.com/2019/10/12/dealing-with-missing-pin-allocations/)
Robotic Laundry Line Reels You In
https://hackaday.com/2019/10/12/robotic-laundry-line-reels-you-in/
It may not be a laundry-folding robot, but this robotic launders line build by [Radical Brad Graham] is pretty neat. He has a 75-foot hanging laundry line from his house to a woodshed, and decided to roboticize it using some bits that were lying around. The result is a simple …read more (https://hackaday.com/2019/10/12/robotic-laundry-line-reels-you-in/)
https://hackaday.com/2019/10/12/robotic-laundry-line-reels-you-in/
It may not be a laundry-folding robot, but this robotic launders line build by [Radical Brad Graham] is pretty neat. He has a 75-foot hanging laundry line from his house to a woodshed, and decided to roboticize it using some bits that were lying around. The result is a simple …read more (https://hackaday.com/2019/10/12/robotic-laundry-line-reels-you-in/)
The World’s Smallest Vacuum in an Altoids Tin
https://hackaday.com/2019/10/12/the-worlds-smallest-vacuum-in-an-altoids-tin/
There’s been a lot of Altoids tin hacks over the years, but a vacuum cleaner in a tin is something new. In [Toby Bateson]’s first project on Hackaday, he used simple household items to create a functioning vacuum cleaner to use for sucking crumbs out of your keyboard or paper …read more (https://hackaday.com/2019/10/12/the-worlds-smallest-vacuum-in-an-altoids-tin/)
https://hackaday.com/2019/10/12/the-worlds-smallest-vacuum-in-an-altoids-tin/
There’s been a lot of Altoids tin hacks over the years, but a vacuum cleaner in a tin is something new. In [Toby Bateson]’s first project on Hackaday, he used simple household items to create a functioning vacuum cleaner to use for sucking crumbs out of your keyboard or paper …read more (https://hackaday.com/2019/10/12/the-worlds-smallest-vacuum-in-an-altoids-tin/)
Flying Batteries for Drones
https://hackaday.com/2019/10/12/flying-batteries-for-drones/
Power is the bane of drone pilots. You’d like to fly longer which means a bigger battery. But a bigger battery will weigh more which leads to less flight time. You have to strike a balance and for most consumer drones that balance is about 20 minutes of flight time, …read more (https://hackaday.com/2019/10/12/flying-batteries-for-drones/)
https://hackaday.com/2019/10/12/flying-batteries-for-drones/
Power is the bane of drone pilots. You’d like to fly longer which means a bigger battery. But a bigger battery will weigh more which leads to less flight time. You have to strike a balance and for most consumer drones that balance is about 20 minutes of flight time, …read more (https://hackaday.com/2019/10/12/flying-batteries-for-drones/)
Using This Micro Deltesian is Easy For Children To Use
https://hackaday.com/2019/10/12/using-this-micro-deltesian-is-easy-for-children-to-use/
[Ekaggrat Singh Kalsi] submits this interesting printer he built for his daughter to use. He admits that the project started simply out of curiosity about the strange deltesian movement. In this configuration, the X and Z-axis are a delta mechanism while the Y-axis is a regular Cartesian bed on rails. …read more (https://hackaday.com/2019/10/12/using-this-micro-deltesian-is-easy-for-children-to-use/)
https://hackaday.com/2019/10/12/using-this-micro-deltesian-is-easy-for-children-to-use/
[Ekaggrat Singh Kalsi] submits this interesting printer he built for his daughter to use. He admits that the project started simply out of curiosity about the strange deltesian movement. In this configuration, the X and Z-axis are a delta mechanism while the Y-axis is a regular Cartesian bed on rails. …read more (https://hackaday.com/2019/10/12/using-this-micro-deltesian-is-easy-for-children-to-use/)
Quality Sound-Proof Cans From Personal Protective Equipment
https://hackaday.com/2019/10/12/quality-sound-proof-cans-from-personal-protective-equipment/
Working in a noisy office can be distracting. To combat the problem in his workplace [Rikard Anglerud] bought himself a pair of 3M ear defenders. They were good, but not quite good enough to completely extinguish the noise, so he inserted the drivers from a pair of cheap headphones and …read more (https://hackaday.com/2019/10/12/quality-sound-proof-cans-from-personal-protective-equipment/)
https://hackaday.com/2019/10/12/quality-sound-proof-cans-from-personal-protective-equipment/
Working in a noisy office can be distracting. To combat the problem in his workplace [Rikard Anglerud] bought himself a pair of 3M ear defenders. They were good, but not quite good enough to completely extinguish the noise, so he inserted the drivers from a pair of cheap headphones and …read more (https://hackaday.com/2019/10/12/quality-sound-proof-cans-from-personal-protective-equipment/)
DIY MIDI Looper Controller Looks Fantastic!
https://hackaday.com/2019/10/13/diy-midi-looper-controller-looks-fantastic/
Due to pedalboard size, complicated guitar pedals sometimes reduce the number of buttons to the bare minimum. Many of these pedals are capable of being controlled with an external MIDI controller, however, and necessity being the mother of invention and all, this is a great opportunity to build something and …read more (https://hackaday.com/2019/10/13/diy-midi-looper-controller-looks-fantastic/)
https://hackaday.com/2019/10/13/diy-midi-looper-controller-looks-fantastic/
Due to pedalboard size, complicated guitar pedals sometimes reduce the number of buttons to the bare minimum. Many of these pedals are capable of being controlled with an external MIDI controller, however, and necessity being the mother of invention and all, this is a great opportunity to build something and …read more (https://hackaday.com/2019/10/13/diy-midi-looper-controller-looks-fantastic/)
Not All 7-Segment Displays Are Electronic
https://hackaday.com/2019/10/13/not-all-7-segment-displays-are-electronic/
There are a variety of means by which numbers can be displayed from an electronic circuit, and probably the most ubiquitous remains the seven-segment display. Take seven LEDs, lamps, LCDs, VFD segments or mechanical flip-dot style units in the familiar rectangular figure eight, and your microcontroller or similar can display …read more (https://hackaday.com/2019/10/13/not-all-7-segment-displays-are-electronic/)
https://hackaday.com/2019/10/13/not-all-7-segment-displays-are-electronic/
There are a variety of means by which numbers can be displayed from an electronic circuit, and probably the most ubiquitous remains the seven-segment display. Take seven LEDs, lamps, LCDs, VFD segments or mechanical flip-dot style units in the familiar rectangular figure eight, and your microcontroller or similar can display …read more (https://hackaday.com/2019/10/13/not-all-7-segment-displays-are-electronic/)
Prusa Unveils New Mini 3D Printer, Shakes Up The Competition
https://hackaday.com/2019/10/13/prusa-unveils-new-mini-printer-shakes-up-the-competition/
For the last couple of years, consumer desktop 3D printer choices in the under $1,000 USD range have fallen into two broad categories: everything bellow $500 USD, and the latest Prusa i3. There are plenty of respectable printers made by companies such as Monoprice and Creality to choose from on …read more (https://hackaday.com/2019/10/13/prusa-unveils-new-mini-printer-shakes-up-the-competition/)
https://hackaday.com/2019/10/13/prusa-unveils-new-mini-printer-shakes-up-the-competition/
For the last couple of years, consumer desktop 3D printer choices in the under $1,000 USD range have fallen into two broad categories: everything bellow $500 USD, and the latest Prusa i3. There are plenty of respectable printers made by companies such as Monoprice and Creality to choose from on …read more (https://hackaday.com/2019/10/13/prusa-unveils-new-mini-printer-shakes-up-the-competition/)