Sniffed Transformer Puts Wired Doorbell Online
https://hackaday.com/2019/08/06/sniffed-transformer-puts-wired-doorbell-online/
There’s certainly no shortage of “smart” gadgets out there that will provide you with a notification, or even a live audiovisual stream, whenever somebody is at your door. But as we’ve seen countless times before, not everyone is thrilled with the terms that most of these products operate under. Getting …read more (https://hackaday.com/2019/08/06/sniffed-transformer-puts-wired-doorbell-online/)
https://hackaday.com/2019/08/06/sniffed-transformer-puts-wired-doorbell-online/
There’s certainly no shortage of “smart” gadgets out there that will provide you with a notification, or even a live audiovisual stream, whenever somebody is at your door. But as we’ve seen countless times before, not everyone is thrilled with the terms that most of these products operate under. Getting …read more (https://hackaday.com/2019/08/06/sniffed-transformer-puts-wired-doorbell-online/)
Why Spacecraft of the Future will be Extruded
https://hackaday.com/2019/08/06/why-spacecraft-of-the-future-will-be-extruded/
It’s been fifty years since man first landed on the Moon, but despite all the incredible advancements in technology since Armstrong made that iconic first small step, we’ve yet to reach any farther into deep space than we did during the Apollo program. The giant leap that many assumed would …read more (https://hackaday.com/2019/08/06/why-spacecraft-of-the-future-will-be-extruded/)
https://hackaday.com/2019/08/06/why-spacecraft-of-the-future-will-be-extruded/
It’s been fifty years since man first landed on the Moon, but despite all the incredible advancements in technology since Armstrong made that iconic first small step, we’ve yet to reach any farther into deep space than we did during the Apollo program. The giant leap that many assumed would …read more (https://hackaday.com/2019/08/06/why-spacecraft-of-the-future-will-be-extruded/)
Disappearing Writing With UV Laser Reveals Whitening Agents in Myriad Products
https://hackaday.com/2019/08/06/disappearing-writing-with-a-uv-laser/
Many a budding maker has experimented with invisible inks, with a wide variety of solutions having a viable set of properties for this purpose. However, [Ben Krasnow] stumbled upon a different method entirely when tinkering with a UV laser.
The laser in question was a MNL100 UV laser, configured to …read more (https://hackaday.com/2019/08/06/disappearing-writing-with-a-uv-laser/)
https://hackaday.com/2019/08/06/disappearing-writing-with-a-uv-laser/
Many a budding maker has experimented with invisible inks, with a wide variety of solutions having a viable set of properties for this purpose. However, [Ben Krasnow] stumbled upon a different method entirely when tinkering with a UV laser.
The laser in question was a MNL100 UV laser, configured to …read more (https://hackaday.com/2019/08/06/disappearing-writing-with-a-uv-laser/)
Espionage on Display as GCHQ Hosts a Temporary Exhibit
https://hackaday.com/2019/08/06/espionage-on-display-as-gchq-hosts-a-temporary-exhibit/
At the top of the British electronic intelligence agency is the Government Communications Headquarters (GCHQ), a very public entity whose circular building can easily be found by any inquisitive soul prepared to drive just off the A40 in Cheltenham which is about two hours west of London. But due to …read more (https://hackaday.com/2019/08/06/espionage-on-display-as-gchq-hosts-a-temporary-exhibit/)
https://hackaday.com/2019/08/06/espionage-on-display-as-gchq-hosts-a-temporary-exhibit/
At the top of the British electronic intelligence agency is the Government Communications Headquarters (GCHQ), a very public entity whose circular building can easily be found by any inquisitive soul prepared to drive just off the A40 in Cheltenham which is about two hours west of London. But due to …read more (https://hackaday.com/2019/08/06/espionage-on-display-as-gchq-hosts-a-temporary-exhibit/)
Color Your World with this CNC Painting Robot
https://hackaday.com/2019/08/06/color-your-world-with-this-cnc-painting-robot/
Let’s say you’ve watched a few episodes of “The Joy of Painting” and you want your inner [Bob Ross] to break free. You get the requisite supplies for oil painting – don’t forget the alizarin crimson! – and start to apply paint to canvas, only to find your happy little …read more (https://hackaday.com/2019/08/06/color-your-world-with-this-cnc-painting-robot/)
https://hackaday.com/2019/08/06/color-your-world-with-this-cnc-painting-robot/
Let’s say you’ve watched a few episodes of “The Joy of Painting” and you want your inner [Bob Ross] to break free. You get the requisite supplies for oil painting – don’t forget the alizarin crimson! – and start to apply paint to canvas, only to find your happy little …read more (https://hackaday.com/2019/08/06/color-your-world-with-this-cnc-painting-robot/)
Forming Fipples And Accompanying Accoutrements
https://hackaday.com/2019/08/06/forming-fipples-and-accompanying-accoutrements/
[Dr. Suess] created memorable books with minimal words and bright artwork. He inspired children and adults alike, and one of them, [Len], grew up to create wind instruments for the Bellowphone channel on YouTube. Behind the whimsy of his creations is significant engineering, and this time, we get to see …read more (https://hackaday.com/2019/08/06/forming-fipples-and-accompanying-accoutrements/)
https://hackaday.com/2019/08/06/forming-fipples-and-accompanying-accoutrements/
[Dr. Suess] created memorable books with minimal words and bright artwork. He inspired children and adults alike, and one of them, [Len], grew up to create wind instruments for the Bellowphone channel on YouTube. Behind the whimsy of his creations is significant engineering, and this time, we get to see …read more (https://hackaday.com/2019/08/06/forming-fipples-and-accompanying-accoutrements/)
Expensive Sony Lens Repair Reveals Shims & Shifts
https://hackaday.com/2019/08/06/expensive-sony-lens-repair-reveals-shims-shifts/
The photographic hire company Lensrentals had a $2k Sony FE 135mm f1.8 GM camera lens returned with a problem: it was having issues focusing. So, they decided to do the obvious thing and take it apart. It’s a fascinating insight into some of the engineering that goes into a high-end …read more (https://hackaday.com/2019/08/06/expensive-sony-lens-repair-reveals-shims-shifts/)
https://hackaday.com/2019/08/06/expensive-sony-lens-repair-reveals-shims-shifts/
The photographic hire company Lensrentals had a $2k Sony FE 135mm f1.8 GM camera lens returned with a problem: it was having issues focusing. So, they decided to do the obvious thing and take it apart. It’s a fascinating insight into some of the engineering that goes into a high-end …read more (https://hackaday.com/2019/08/06/expensive-sony-lens-repair-reveals-shims-shifts/)
Preserved Lemons On A Hacker’s Budget
https://hackaday.com/2019/08/06/preserved-lemons-on-a-hackers-budget/
“If you wish to make an apple pie from scratch, you must first invent the universe.” [Carl Sagan]. If you wish to make preserved lemons the same way as [Uri Tuchman], you have to start with that mentality. Video also below. The recipe for [Uri]’s preserved lemons involves two ingredients …read more (https://hackaday.com/2019/08/06/preserved-lemons-on-a-hackers-budget/)
https://hackaday.com/2019/08/06/preserved-lemons-on-a-hackers-budget/
“If you wish to make an apple pie from scratch, you must first invent the universe.” [Carl Sagan]. If you wish to make preserved lemons the same way as [Uri Tuchman], you have to start with that mentality. Video also below. The recipe for [Uri]’s preserved lemons involves two ingredients …read more (https://hackaday.com/2019/08/06/preserved-lemons-on-a-hackers-budget/)
Recreating Space Cameras
https://hackaday.com/2019/08/06/recreating-space-cameras/
[Cole Price] describes himself as a photographer and a space nerd. We’ll give that to him since his web site clearly shows a love of cameras and a love of the NASA programs from the 1960s. [Cole] has painstakingly made replicas of cameras used in the space program including a …read more (https://hackaday.com/2019/08/06/recreating-space-cameras/)
https://hackaday.com/2019/08/06/recreating-space-cameras/
[Cole Price] describes himself as a photographer and a space nerd. We’ll give that to him since his web site clearly shows a love of cameras and a love of the NASA programs from the 1960s. [Cole] has painstakingly made replicas of cameras used in the space program including a …read more (https://hackaday.com/2019/08/06/recreating-space-cameras/)
Fail of the Week: Spinning the Pripyat Ferris Wheel
https://hackaday.com/2019/08/07/fail-of-the-week-spinning-the-pripyat-ferris-wheel/
This multifaceted fail comes to us straight from the Chernobyl Exclusion Zone, where a group of friends apparently decided that a fun weekend project would be trying to turn over the iconic ferris wheel in the Pripyat Amusement Park. The [Kreosan] crew documented their admittedly very creative attempt at suicide …read more (https://hackaday.com/2019/08/07/fail-of-the-week-spinning-the-pripyat-ferris-wheel/)
https://hackaday.com/2019/08/07/fail-of-the-week-spinning-the-pripyat-ferris-wheel/
This multifaceted fail comes to us straight from the Chernobyl Exclusion Zone, where a group of friends apparently decided that a fun weekend project would be trying to turn over the iconic ferris wheel in the Pripyat Amusement Park. The [Kreosan] crew documented their admittedly very creative attempt at suicide …read more (https://hackaday.com/2019/08/07/fail-of-the-week-spinning-the-pripyat-ferris-wheel/)
Xpedit is a Mood Ring for Mother Nature
https://hackaday.com/2019/08/07/xpedit-is-a-mood-ring-for-mother-nature/
Whether you’re in the woods or way up a mountain, basic knowledge of your environment can yield a lot of power. The more you know about the temperature, humidity, barometric pressure, and your altitude, the easier it is to predict future weather and stick to your height limits. Sure, you …read more (https://hackaday.com/2019/08/07/xpedit-is-a-mood-ring-for-mother-nature/)
https://hackaday.com/2019/08/07/xpedit-is-a-mood-ring-for-mother-nature/
Whether you’re in the woods or way up a mountain, basic knowledge of your environment can yield a lot of power. The more you know about the temperature, humidity, barometric pressure, and your altitude, the easier it is to predict future weather and stick to your height limits. Sure, you …read more (https://hackaday.com/2019/08/07/xpedit-is-a-mood-ring-for-mother-nature/)
New Teensy 4.0 Blows Away Benchmarks, Implements Self-Recovery, Returns to Smaller Form
https://hackaday.com/2019/08/07/new-teensy-4-0-blows-away-benchmarks-implements-self-recovery-returns-to-smaller-form/
Paul Stoffregen did it again: the Teensy 4.0 has been released. The latest in the Teensy microcontroller development board line, the 4.0 returns to the smaller form-factor last seen with the 3.2, as opposed to the larger 3.5 and 3.6 boards.
Don’t let the smaller size fool you; the 4.0 …read more (https://hackaday.com/2019/08/07/new-teensy-4-0-blows-away-benchmarks-implements-self-recovery-returns-to-smaller-form/)
https://hackaday.com/2019/08/07/new-teensy-4-0-blows-away-benchmarks-implements-self-recovery-returns-to-smaller-form/
Paul Stoffregen did it again: the Teensy 4.0 has been released. The latest in the Teensy microcontroller development board line, the 4.0 returns to the smaller form-factor last seen with the 3.2, as opposed to the larger 3.5 and 3.6 boards.
Don’t let the smaller size fool you; the 4.0 …read more (https://hackaday.com/2019/08/07/new-teensy-4-0-blows-away-benchmarks-implements-self-recovery-returns-to-smaller-form/)
Punch Those Hole-Drilling Blues Away with a Homebrew Punching Tool
https://hackaday.com/2019/08/07/punch-those-hole-drilling-blues-away-with-a-homebrew-punching-tool/
Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal.
A little backstory will probably help understand why …read more (https://hackaday.com/2019/08/07/punch-those-hole-drilling-blues-away-with-a-homebrew-punching-tool/)
https://hackaday.com/2019/08/07/punch-those-hole-drilling-blues-away-with-a-homebrew-punching-tool/
Four times the holes, four times the trouble. With the fate of repetitive motion injury looming due to the need to drill 1,200 holes, [bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal.
A little backstory will probably help understand why …read more (https://hackaday.com/2019/08/07/punch-those-hole-drilling-blues-away-with-a-homebrew-punching-tool/)
Workbench Fume Extractor Sucks, But Has A Charming Personality
https://hackaday.com/2019/08/07/workbench-fume-extractor-sucks-but-has-a-charming-personality/
Shop safety is important regardless of what kind of work you do. For those of us soldering, that means extracting the noxious fumes released by heating up the solder flux used in our projects. [yesnoio] brings to us his own spin on the idea of a fume extractor, and it …read more (https://hackaday.com/2019/08/07/workbench-fume-extractor-sucks-but-has-a-charming-personality/)
https://hackaday.com/2019/08/07/workbench-fume-extractor-sucks-but-has-a-charming-personality/
Shop safety is important regardless of what kind of work you do. For those of us soldering, that means extracting the noxious fumes released by heating up the solder flux used in our projects. [yesnoio] brings to us his own spin on the idea of a fume extractor, and it …read more (https://hackaday.com/2019/08/07/workbench-fume-extractor-sucks-but-has-a-charming-personality/)
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/)