Arduino Traffic Light Sings The Song Of Its People
https://hackaday.com/2019/08/07/arduino-traffic-light-sings-the-song-of-its-people/
Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one up to show the real-time status of your build or system resource utilization …read more (https://hackaday.com/2019/08/07/arduino-traffic-light-sings-the-song-of-its-people/)
https://hackaday.com/2019/08/07/arduino-traffic-light-sings-the-song-of-its-people/
Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one up to show the real-time status of your build or system resource utilization …read more (https://hackaday.com/2019/08/07/arduino-traffic-light-sings-the-song-of-its-people/)
A Better Embroidery Machine, With 3D Printing and Common Parts
https://hackaday.com/2019/08/07/a-better-embroidery-machine-with-3d-printing-and-common-parts/
In concept, an everyday sewing machine could make embroidery a snap: the operator would move the fabric around in any direction they wish while the sewing machine would take care of slapping down stitches of colored thread to create designs and filled areas. In practice though, getting good results in …read more (https://hackaday.com/2019/08/07/a-better-embroidery-machine-with-3d-printing-and-common-parts/)
https://hackaday.com/2019/08/07/a-better-embroidery-machine-with-3d-printing-and-common-parts/
In concept, an everyday sewing machine could make embroidery a snap: the operator would move the fabric around in any direction they wish while the sewing machine would take care of slapping down stitches of colored thread to create designs and filled areas. In practice though, getting good results in …read more (https://hackaday.com/2019/08/07/a-better-embroidery-machine-with-3d-printing-and-common-parts/)
Blue Pill Makes Cheap But Powerful Morse Tutor
https://hackaday.com/2019/08/07/blue-pill-makes-cheap-but-powerful-morse-tutor/
[W8BH] attended a talk by another ham, [W8TEE] that showed a microcontroller sending and receiving Morse code. He decided to build his own, and documented his results in an 8 part tutorial. He’s using the Blue Pill board and the resulting device sends code with paddles, sends canned text, provides …read more (https://hackaday.com/2019/08/07/blue-pill-makes-cheap-but-powerful-morse-tutor/)
https://hackaday.com/2019/08/07/blue-pill-makes-cheap-but-powerful-morse-tutor/
[W8BH] attended a talk by another ham, [W8TEE] that showed a microcontroller sending and receiving Morse code. He decided to build his own, and documented his results in an 8 part tutorial. He’s using the Blue Pill board and the resulting device sends code with paddles, sends canned text, provides …read more (https://hackaday.com/2019/08/07/blue-pill-makes-cheap-but-powerful-morse-tutor/)
A Post-Mortem For An Electric Car Charger
https://hackaday.com/2019/08/07/a-post-mortem-for-an-electric-car-charger/
[Mastro Gippo] recently purchased a wall mounted charger for his electric car that looked great and had all the bells and whistles he wanted. There was only one problem: the thing burned up on him. Looking to find out how this seemingly high-end piece of hardware gave up the ghost …read more (https://hackaday.com/2019/08/07/a-post-mortem-for-an-electric-car-charger/)
https://hackaday.com/2019/08/07/a-post-mortem-for-an-electric-car-charger/
[Mastro Gippo] recently purchased a wall mounted charger for his electric car that looked great and had all the bells and whistles he wanted. There was only one problem: the thing burned up on him. Looking to find out how this seemingly high-end piece of hardware gave up the ghost …read more (https://hackaday.com/2019/08/07/a-post-mortem-for-an-electric-car-charger/)
Kitty Litter and Broken Light Bulbs Power This Homebrew Gas Chromatogram
https://hackaday.com/2019/08/08/kitty-litter-and-broken-light-bulbs-power-this-homebrew-gas-chromatogram/
We’re always on the lookout for unexpected budget builds here at Hackaday, and stumbling across a low-cost, DIY version of an instrument that sells for tens of thousands of dollars is always a treat. And so when we saw a tip for a homebrew gas chromatogram in the tips line …read more (https://hackaday.com/2019/08/08/kitty-litter-and-broken-light-bulbs-power-this-homebrew-gas-chromatogram/)
https://hackaday.com/2019/08/08/kitty-litter-and-broken-light-bulbs-power-this-homebrew-gas-chromatogram/
We’re always on the lookout for unexpected budget builds here at Hackaday, and stumbling across a low-cost, DIY version of an instrument that sells for tens of thousands of dollars is always a treat. And so when we saw a tip for a homebrew gas chromatogram in the tips line …read more (https://hackaday.com/2019/08/08/kitty-litter-and-broken-light-bulbs-power-this-homebrew-gas-chromatogram/)
This WiFi Spoofing Syringe Is For External Use Only
https://hackaday.com/2019/08/08/this-wifi-spoofing-syringe-is-for-external-use-only/
A browse through his collected works will tell you that [El Kentaro] loves to build electronics into interesting enclosures, so when he realized there’s enough room inside a 150 ml plastic syringe to mount an ESP8266, a battery, and a copious amount of RGB LEDs, the “Packet Injector” was the …read more (https://hackaday.com/2019/08/08/this-wifi-spoofing-syringe-is-for-external-use-only/)
https://hackaday.com/2019/08/08/this-wifi-spoofing-syringe-is-for-external-use-only/
A browse through his collected works will tell you that [El Kentaro] loves to build electronics into interesting enclosures, so when he realized there’s enough room inside a 150 ml plastic syringe to mount an ESP8266, a battery, and a copious amount of RGB LEDs, the “Packet Injector” was the …read more (https://hackaday.com/2019/08/08/this-wifi-spoofing-syringe-is-for-external-use-only/)
Putting Carbs On A Miata, Because It’s Awesome
https://hackaday.com/2019/08/08/putting-carbs-on-a-miata-because-its-awesome/
Carburettors versus electronic fuel injection (EFI); automotive fans above a certain age will be well versed in the differences. While early EFI systems had their failings, the technology brought with it a new standard of reliability and control. By the early 1990s, the vast majority of vehicles were sold with …read more (https://hackaday.com/2019/08/08/putting-carbs-on-a-miata-because-its-awesome/)
https://hackaday.com/2019/08/08/putting-carbs-on-a-miata-because-its-awesome/
Carburettors versus electronic fuel injection (EFI); automotive fans above a certain age will be well versed in the differences. While early EFI systems had their failings, the technology brought with it a new standard of reliability and control. By the early 1990s, the vast majority of vehicles were sold with …read more (https://hackaday.com/2019/08/08/putting-carbs-on-a-miata-because-its-awesome/)
Cash Register Hotkey Board is on the Money
https://hackaday.com/2019/08/08/cash-register-hotkey-board-is-on-the-money/
When presented with a pile of free electronics, sometimes you grab things for their ‘someday’ potential. Other times, you know exactly what you’re after. [Bryce] got a big old cash register for free from school because they’ve moved on to using Square or something. He scored two VFDs and a …read more (https://hackaday.com/2019/08/08/cash-register-hotkey-board-is-on-the-money/)
https://hackaday.com/2019/08/08/cash-register-hotkey-board-is-on-the-money/
When presented with a pile of free electronics, sometimes you grab things for their ‘someday’ potential. Other times, you know exactly what you’re after. [Bryce] got a big old cash register for free from school because they’ve moved on to using Square or something. He scored two VFDs and a …read more (https://hackaday.com/2019/08/08/cash-register-hotkey-board-is-on-the-money/)
The GENIAC Lives Again
https://hackaday.com/2019/08/08/the-geniac-lives-again/
[Mike Gardi] credits his professional successes in the world of software development on the fact that he had access to logic-based educational games of a sort that simply don’t exist anymore. Back in the 1960s, kids who were interested in electronics or the burgeoning world of computers couldn’t just pick …read more (https://hackaday.com/2019/08/08/the-geniac-lives-again/)
https://hackaday.com/2019/08/08/the-geniac-lives-again/
[Mike Gardi] credits his professional successes in the world of software development on the fact that he had access to logic-based educational games of a sort that simply don’t exist anymore. Back in the 1960s, kids who were interested in electronics or the burgeoning world of computers couldn’t just pick …read more (https://hackaday.com/2019/08/08/the-geniac-lives-again/)
CNC Machine Rolls Up an Axis to Machine PVC Pipe
https://hackaday.com/2019/08/08/cnc-machine-rolls-up-an-axis-to-machine-pvc-pipe/
Whether it’s wood, metal, plastic, or otherwise, when it comes to obtaining materials for your builds, you have two choices: buy new stock, or scrounge what you can. Fresh virgin materials are often easier to work with, but it’s satisfying to get useful stock from unexpected sources.
This CNC router …read more (https://hackaday.com/2019/08/08/cnc-machine-rolls-up-an-axis-to-machine-pvc-pipe/)
https://hackaday.com/2019/08/08/cnc-machine-rolls-up-an-axis-to-machine-pvc-pipe/
Whether it’s wood, metal, plastic, or otherwise, when it comes to obtaining materials for your builds, you have two choices: buy new stock, or scrounge what you can. Fresh virgin materials are often easier to work with, but it’s satisfying to get useful stock from unexpected sources.
This CNC router …read more (https://hackaday.com/2019/08/08/cnc-machine-rolls-up-an-axis-to-machine-pvc-pipe/)
First Look at DEF CON 27 Official Badge; Kingpin Is Back!
https://hackaday.com/2019/08/08/first-look-at-def-con-27-official-badge-kingpin-is-back/
The first big surprise Vegas had in store for everyone is that the DEF CON badge is an electronic badge this year. It’s traditionally been the DC practice to alternate years between electronic and non-electronic badges. Last year we had a fantastic electronic badge designed by the ToyMakers, so I …read more (https://hackaday.com/2019/08/08/first-look-at-def-con-27-official-badge-kingpin-is-back/)
https://hackaday.com/2019/08/08/first-look-at-def-con-27-official-badge-kingpin-is-back/
The first big surprise Vegas had in store for everyone is that the DEF CON badge is an electronic badge this year. It’s traditionally been the DC practice to alternate years between electronic and non-electronic badges. Last year we had a fantastic electronic badge designed by the ToyMakers, so I …read more (https://hackaday.com/2019/08/08/first-look-at-def-con-27-official-badge-kingpin-is-back/)
3D Printing Glass
https://hackaday.com/2019/08/08/3d-printing-glass/
For most of us, 3D printing means printing in plastic of some sort — either filament or photo resin. However, we have all wanted to print in other materials — especially more substantial materials. Metal printers exist but they aren’t cheap. However, it is possible to print molds and cast …read more (https://hackaday.com/2019/08/08/3d-printing-glass/)
https://hackaday.com/2019/08/08/3d-printing-glass/
For most of us, 3D printing means printing in plastic of some sort — either filament or photo resin. However, we have all wanted to print in other materials — especially more substantial materials. Metal printers exist but they aren’t cheap. However, it is possible to print molds and cast …read more (https://hackaday.com/2019/08/08/3d-printing-glass/)
Field Expedient Soldering Iron Will Do In A Pinch
https://hackaday.com/2019/08/08/field-expedient-soldering-iron-will-do-in-a-pinch/
If you think [Dubious Engineering]’s moniker is just a name, have a look at the pretty terrible soldering iron hacked out of a lighter in the video below. No one is suggesting this is a good idea but in an emergency, maybe it would come in handy. We liked the …read more (https://hackaday.com/2019/08/08/field-expedient-soldering-iron-will-do-in-a-pinch/)
https://hackaday.com/2019/08/08/field-expedient-soldering-iron-will-do-in-a-pinch/
If you think [Dubious Engineering]’s moniker is just a name, have a look at the pretty terrible soldering iron hacked out of a lighter in the video below. No one is suggesting this is a good idea but in an emergency, maybe it would come in handy. We liked the …read more (https://hackaday.com/2019/08/08/field-expedient-soldering-iron-will-do-in-a-pinch/)
Designing An Advanced Autonomous Robot: Goose
https://hackaday.com/2019/08/08/designing-an-advanced-autonomous-robot-goose/
Robotics is hard, maybe not quite as difficult as astrophysics or understanding human relationships, but designing a competition winning bot from scratch was never going to be easy. Ok, so [Paul Bupe, Jr’s] robot, named ‘Goose’, did not quite win the competition, but we’re very interested to learn what golden …read more (https://hackaday.com/2019/08/08/designing-an-advanced-autonomous-robot-goose/)
https://hackaday.com/2019/08/08/designing-an-advanced-autonomous-robot-goose/
Robotics is hard, maybe not quite as difficult as astrophysics or understanding human relationships, but designing a competition winning bot from scratch was never going to be easy. Ok, so [Paul Bupe, Jr’s] robot, named ‘Goose’, did not quite win the competition, but we’re very interested to learn what golden …read more (https://hackaday.com/2019/08/08/designing-an-advanced-autonomous-robot-goose/)
3D-Printed Extension for Extreme Macro Photography Includes Lens Electronic Control
https://hackaday.com/2019/08/09/3d-printed-extension-for-extreme-macro-photography-includes-lens-electronic-control/
Macro photography — the art of taking pictures of tiny things — can be an expensive pastime. Good lenses aren’t cheap, and greater magnification inflates the price even further. One way to release a bit more performance from your optics comes in the form of an extension tube, which mounts …read more (https://hackaday.com/2019/08/09/3d-printed-extension-for-extreme-macro-photography-includes-lens-electronic-control/)
https://hackaday.com/2019/08/09/3d-printed-extension-for-extreme-macro-photography-includes-lens-electronic-control/
Macro photography — the art of taking pictures of tiny things — can be an expensive pastime. Good lenses aren’t cheap, and greater magnification inflates the price even further. One way to release a bit more performance from your optics comes in the form of an extension tube, which mounts …read more (https://hackaday.com/2019/08/09/3d-printed-extension-for-extreme-macro-photography-includes-lens-electronic-control/)
Pop-Up Outlet Helps Make the Most of a Tiny Shop
https://hackaday.com/2019/08/09/pop-up-outlet-helps-make-the-most-of-a-tiny-shop/
You’ve got to admire the steps some people take to squeeze a shop into a small space. Finding ways to pack in ever more tools and to work on bigger and bigger projects become ends to themselves for some, and the neat little tricks they find to do so can …read more (https://hackaday.com/2019/08/09/pop-up-outlet-helps-make-the-most-of-a-tiny-shop/)
https://hackaday.com/2019/08/09/pop-up-outlet-helps-make-the-most-of-a-tiny-shop/
You’ve got to admire the steps some people take to squeeze a shop into a small space. Finding ways to pack in ever more tools and to work on bigger and bigger projects become ends to themselves for some, and the neat little tricks they find to do so can …read more (https://hackaday.com/2019/08/09/pop-up-outlet-helps-make-the-most-of-a-tiny-shop/)
This Week in Security: SWAPGS, Malicious Shaders, More iOS Woes, and WPA3
https://hackaday.com/2019/08/09/this-week-in-security-swapgs-malicious-shaders-more-ios-woes-and-wpa3/
I’m sure you’ve heard of Spectre, which was the first of many speculative execution vulnerabilities found in modern processors. A new one just popped up this week. At Blackhat on Tuesday, CVE-2019-1125 was announced by Bitdefender as SWAPGS.
SWAPGS is an x86_64 instruction that is intended for use in context …read more (https://hackaday.com/2019/08/09/this-week-in-security-swapgs-malicious-shaders-more-ios-woes-and-wpa3/)
https://hackaday.com/2019/08/09/this-week-in-security-swapgs-malicious-shaders-more-ios-woes-and-wpa3/
I’m sure you’ve heard of Spectre, which was the first of many speculative execution vulnerabilities found in modern processors. A new one just popped up this week. At Blackhat on Tuesday, CVE-2019-1125 was announced by Bitdefender as SWAPGS.
SWAPGS is an x86_64 instruction that is intended for use in context …read more (https://hackaday.com/2019/08/09/this-week-in-security-swapgs-malicious-shaders-more-ios-woes-and-wpa3/)
Laser Trip Wire Hides What You’re (Not) Working On
https://hackaday.com/2019/08/09/laser-trip-wire-hides-what-youre-not-working-on/
We assume your office policy allows for reading Hackaday during work hours. But what about cruising reddit, or playing Universal Paperclips? There’s a special kind of stress experienced when attempting to keep one eye on your display and the other on the doorway; all the while convinced the boss is …read more (https://hackaday.com/2019/08/09/laser-trip-wire-hides-what-youre-not-working-on/)
https://hackaday.com/2019/08/09/laser-trip-wire-hides-what-youre-not-working-on/
We assume your office policy allows for reading Hackaday during work hours. But what about cruising reddit, or playing Universal Paperclips? There’s a special kind of stress experienced when attempting to keep one eye on your display and the other on the doorway; all the while convinced the boss is …read more (https://hackaday.com/2019/08/09/laser-trip-wire-hides-what-youre-not-working-on/)
Hackaday Podcast 030: Seven Years of RTL-SDR, 3D Printing Optimized For The Eye, Sega Audiophile, Swimming In Brighteners
https://hackaday.com/2019/08/09/hackaday-podcast-030-seven-years-of-rtl-sdr-3d-printing-optimized-for-the-eye-sega-audiophile-swimming-in-brighteners/
Hackaday Editors Mike Szczys and Elliot Williams curate the awesome hacks from the past week. On this episode, we marvel about the legacy RTL-SDR has had on the software-defined radio scene, turn a critical ear to 16-bit console audio hardware, watch generative algorithms make 3D prints beautiful, and discover why …read more (https://hackaday.com/2019/08/09/hackaday-podcast-030-seven-years-of-rtl-sdr-3d-printing-optimized-for-the-eye-sega-audiophile-swimming-in-brighteners/)
https://hackaday.com/2019/08/09/hackaday-podcast-030-seven-years-of-rtl-sdr-3d-printing-optimized-for-the-eye-sega-audiophile-swimming-in-brighteners/
Hackaday Editors Mike Szczys and Elliot Williams curate the awesome hacks from the past week. On this episode, we marvel about the legacy RTL-SDR has had on the software-defined radio scene, turn a critical ear to 16-bit console audio hardware, watch generative algorithms make 3D prints beautiful, and discover why …read more (https://hackaday.com/2019/08/09/hackaday-podcast-030-seven-years-of-rtl-sdr-3d-printing-optimized-for-the-eye-sega-audiophile-swimming-in-brighteners/)
Eric Weinhoffer Covers Enclosure Design And Manufacturing Tech During Hackaday Prize Mentor Session
https://hackaday.com/2019/08/09/eric-weinhoffer-covers-enclosure-design-and-manufacturing-tech-during-hackaday-prize-mentor-session/
Eric Weinhoffer has had plenty of experience in the product design arena, and this hard-earned knowledge is readily apparent in his mentor session for The Hackaday Prize. These serve to link up Prize entrants with industry experts in order to help them take their projects into production. You still have …read more (https://hackaday.com/2019/08/09/eric-weinhoffer-covers-enclosure-design-and-manufacturing-tech-during-hackaday-prize-mentor-session/)
https://hackaday.com/2019/08/09/eric-weinhoffer-covers-enclosure-design-and-manufacturing-tech-during-hackaday-prize-mentor-session/
Eric Weinhoffer has had plenty of experience in the product design arena, and this hard-earned knowledge is readily apparent in his mentor session for The Hackaday Prize. These serve to link up Prize entrants with industry experts in order to help them take their projects into production. You still have …read more (https://hackaday.com/2019/08/09/eric-weinhoffer-covers-enclosure-design-and-manufacturing-tech-during-hackaday-prize-mentor-session/)