DIY Industrial Oven Brings the Heat
https://hackaday.com/2019/07/21/diy-industrial-oven-brings-the-heat/
When [Turbo Conquering Mega Eagle] tried lost wax casting, he ended up with a fireball and a galvanizing sense of disappointment. There wasn’t enough heat to get all the wax out, and the paraffin ignited. Though a bit burned by the experience, it didn’t extinguish his desire to do lost …read more (https://hackaday.com/2019/07/21/diy-industrial-oven-brings-the-heat/)
https://hackaday.com/2019/07/21/diy-industrial-oven-brings-the-heat/
When [Turbo Conquering Mega Eagle] tried lost wax casting, he ended up with a fireball and a galvanizing sense of disappointment. There wasn’t enough heat to get all the wax out, and the paraffin ignited. Though a bit burned by the experience, it didn’t extinguish his desire to do lost …read more (https://hackaday.com/2019/07/21/diy-industrial-oven-brings-the-heat/)
A New Motherboard For Amiga, The Platform That Refuses To Die
https://hackaday.com/2019/07/21/a-new-motherboard-for-amiga-the-platform-that-refuses-to-die/
If you go out and buy a computer right now, how many choices do you really have? Generally speaking, there’s PC or Mac. If we were being generous you could consider Chromebook and perhaps even mobile, but let’s be honest, computing is a two-party system with the ability to dump …read more (https://hackaday.com/2019/07/21/a-new-motherboard-for-amiga-the-platform-that-refuses-to-die/)
https://hackaday.com/2019/07/21/a-new-motherboard-for-amiga-the-platform-that-refuses-to-die/
If you go out and buy a computer right now, how many choices do you really have? Generally speaking, there’s PC or Mac. If we were being generous you could consider Chromebook and perhaps even mobile, but let’s be honest, computing is a two-party system with the ability to dump …read more (https://hackaday.com/2019/07/21/a-new-motherboard-for-amiga-the-platform-that-refuses-to-die/)
External Buffer Boosts 3D Printer Filament Splicing on the Palette 2
https://hackaday.com/2019/07/21/external-buffer-boosts-3d-printer-filament-splicing-on-the-palette-2/
There was a time when most of us thought the next logical step for desktop 3D printing was to add additional extruders and hotends, allowing the machine to print in multiple colors or materials. Unfortunately such arrangements quickly become ungainly, and even with just two extruders, calibration can be a …read more (https://hackaday.com/2019/07/21/external-buffer-boosts-3d-printer-filament-splicing-on-the-palette-2/)
https://hackaday.com/2019/07/21/external-buffer-boosts-3d-printer-filament-splicing-on-the-palette-2/
There was a time when most of us thought the next logical step for desktop 3D printing was to add additional extruders and hotends, allowing the machine to print in multiple colors or materials. Unfortunately such arrangements quickly become ungainly, and even with just two extruders, calibration can be a …read more (https://hackaday.com/2019/07/21/external-buffer-boosts-3d-printer-filament-splicing-on-the-palette-2/)
An Epic Tale of Thermistors: Tricks for Much Better Temperature Sensing
https://hackaday.com/2019/07/21/an-epic-tale-of-thermistors-tricks-for-much-better-temperature-sensing/
For years [Edward] has been building professional grade underwater sensing nodes at prices approachable for an interested individual without a government grant. An important component of these is temperature, and he has been on a quest to get the highest accuracy temperature readings from whatever parts hit that sweet optimum …read more (https://hackaday.com/2019/07/21/an-epic-tale-of-thermistors-tricks-for-much-better-temperature-sensing/)
https://hackaday.com/2019/07/21/an-epic-tale-of-thermistors-tricks-for-much-better-temperature-sensing/
For years [Edward] has been building professional grade underwater sensing nodes at prices approachable for an interested individual without a government grant. An important component of these is temperature, and he has been on a quest to get the highest accuracy temperature readings from whatever parts hit that sweet optimum …read more (https://hackaday.com/2019/07/21/an-epic-tale-of-thermistors-tricks-for-much-better-temperature-sensing/)
A Baseball Cap That Films The Past
https://hackaday.com/2019/07/21/a-baseball-cap-that-films-the-past/
The vast majority of cameras will start recording at the press of a button. This is perfectly acceptable behaviour if you wish to film something that hasn’t happened yet. If you want to film something that’s already over, you’re out of luck. [Johan Link] has built a camera designed to …read more (https://hackaday.com/2019/07/21/a-baseball-cap-that-films-the-past/)
https://hackaday.com/2019/07/21/a-baseball-cap-that-films-the-past/
The vast majority of cameras will start recording at the press of a button. This is perfectly acceptable behaviour if you wish to film something that hasn’t happened yet. If you want to film something that’s already over, you’re out of luck. [Johan Link] has built a camera designed to …read more (https://hackaday.com/2019/07/21/a-baseball-cap-that-films-the-past/)
Hackaday Links: July 21, 2019
https://hackaday.com/2019/07/21/hackaday-links-july-21-2019/
Ordering a PCB used to be a [Henry Ford]-esque experience: pick any color you like, as long as it’s green. We’ve come a long way in the “express yourself” space with PCBs, with slightly less than all the colors of the rainbow available, and some pretty nice silkscreening options to …read more (https://hackaday.com/2019/07/21/hackaday-links-july-21-2019/)
https://hackaday.com/2019/07/21/hackaday-links-july-21-2019/
Ordering a PCB used to be a [Henry Ford]-esque experience: pick any color you like, as long as it’s green. We’ve come a long way in the “express yourself” space with PCBs, with slightly less than all the colors of the rainbow available, and some pretty nice silkscreening options to …read more (https://hackaday.com/2019/07/21/hackaday-links-july-21-2019/)
Making Instant Ramen a Bit More Instant
https://hackaday.com/2019/07/21/making-instant-ramen-a-bit-more-instant/
Instant ramen, the favoured repast of the impecunious would-be tech genius! It’s cheap, of dubious nutritional value, and it only takes a minute to cook. But what if you are in the creative Zone to the extent that five minutes to boil water is too much? For that you need …read more (https://hackaday.com/2019/07/21/making-instant-ramen-a-bit-more-instant/)
https://hackaday.com/2019/07/21/making-instant-ramen-a-bit-more-instant/
Instant ramen, the favoured repast of the impecunious would-be tech genius! It’s cheap, of dubious nutritional value, and it only takes a minute to cook. But what if you are in the creative Zone to the extent that five minutes to boil water is too much? For that you need …read more (https://hackaday.com/2019/07/21/making-instant-ramen-a-bit-more-instant/)
5G Power Usage Is Making Phones Overheat In Warm Weather
https://hackaday.com/2019/07/21/5g-power-usage-is-making-phones-overheat-in-warm-weather/
As reported by ExtremeTech, the brand new 5G network is running into a major snag with mobile devices as Qualcomm 5G modems literally cannot handle the heat. After just a few minutes of use they’re going into thermal shutdown and falling back to measly 4G data rates. Reports by both …read more (https://hackaday.com/2019/07/21/5g-power-usage-is-making-phones-overheat-in-warm-weather/)
https://hackaday.com/2019/07/21/5g-power-usage-is-making-phones-overheat-in-warm-weather/
As reported by ExtremeTech, the brand new 5G network is running into a major snag with mobile devices as Qualcomm 5G modems literally cannot handle the heat. After just a few minutes of use they’re going into thermal shutdown and falling back to measly 4G data rates. Reports by both …read more (https://hackaday.com/2019/07/21/5g-power-usage-is-making-phones-overheat-in-warm-weather/)
Hydraulic Bench Vise a Masterpiece of Scrap Metal and Angle Grinding
https://hackaday.com/2019/07/22/hydraulic-bench-vise-a-masterpiece-of-scrap-metal-and-angle-grinding/
For most of us, a vise is the sort of thing you clamp onto the edge of a workbench and crank down by hand. It might even be made of plastic, depending on the kind of work you find yourself doing with it. But it’s safe to say that [WorkshopFromScratch] …read more (https://hackaday.com/2019/07/22/hydraulic-bench-vise-a-masterpiece-of-scrap-metal-and-angle-grinding/)
https://hackaday.com/2019/07/22/hydraulic-bench-vise-a-masterpiece-of-scrap-metal-and-angle-grinding/
For most of us, a vise is the sort of thing you clamp onto the edge of a workbench and crank down by hand. It might even be made of plastic, depending on the kind of work you find yourself doing with it. But it’s safe to say that [WorkshopFromScratch] …read more (https://hackaday.com/2019/07/22/hydraulic-bench-vise-a-masterpiece-of-scrap-metal-and-angle-grinding/)
Weather Station Can Rock You Like A Hurricane
https://hackaday.com/2019/07/22/weather-station-can-rock-you-like-a-hurricane/
People love to talk about the weather. It’s the perfect small talk, whether you’re trying to start a conversation or keep one going by avoiding an awkward silence. In the same fashion, weather stations are an ideal starting point for any sort of sensor-related project ideas. You get to familiarizing …read more (https://hackaday.com/2019/07/22/weather-station-can-rock-you-like-a-hurricane/)
https://hackaday.com/2019/07/22/weather-station-can-rock-you-like-a-hurricane/
People love to talk about the weather. It’s the perfect small talk, whether you’re trying to start a conversation or keep one going by avoiding an awkward silence. In the same fashion, weather stations are an ideal starting point for any sort of sensor-related project ideas. You get to familiarizing …read more (https://hackaday.com/2019/07/22/weather-station-can-rock-you-like-a-hurricane/)
Forget the Walkman: It’s the Headphones
https://hackaday.com/2019/07/22/forget-the-walkman-its-the-headphones/
Forty years ago this month, a product was launched in Japan that would have such a huge impact on the consumer electronics market that we are still using its descendants today. The story goes that one of the Sony founders would listen to music while traveling for the business, and …read more (https://hackaday.com/2019/07/22/forget-the-walkman-its-the-headphones/)
https://hackaday.com/2019/07/22/forget-the-walkman-its-the-headphones/
Forty years ago this month, a product was launched in Japan that would have such a huge impact on the consumer electronics market that we are still using its descendants today. The story goes that one of the Sony founders would listen to music while traveling for the business, and …read more (https://hackaday.com/2019/07/22/forget-the-walkman-its-the-headphones/)
Watch Earthquake Roll Across A Continent In Seismograph Visualization Video
https://hackaday.com/2019/07/22/watch-earthquake-roll-across-a-continent-in-seismograph-visualization-video/
If your only exposure to seismologists at work is through film and television, you can be forgiven for thinking they still lay out rolls of paper to examine lines of ink under a magnifying glass. The reality is far more interesting in a field that has eagerly adopted all available …read more (https://hackaday.com/2019/07/22/watch-earthquake-roll-across-a-continent-in-seismograph-visualization-video/)
https://hackaday.com/2019/07/22/watch-earthquake-roll-across-a-continent-in-seismograph-visualization-video/
If your only exposure to seismologists at work is through film and television, you can be forgiven for thinking they still lay out rolls of paper to examine lines of ink under a magnifying glass. The reality is far more interesting in a field that has eagerly adopted all available …read more (https://hackaday.com/2019/07/22/watch-earthquake-roll-across-a-continent-in-seismograph-visualization-video/)
Crowd Supply Hack Chat with Josh Lifton
https://hackaday.com/2019/07/22/crowd-supply-hack-chat-with-josh-lifton/
Join us on Wednesday, July 24th at noon Pacific for the Crowd Supply Hack Chat with Josh Lifton!
When you’re ready to take your Next Big Idea from a project to a product, you face problems that don’t normally present themselves to the hobbyist. Building one of something is quite …read more (https://hackaday.com/2019/07/22/crowd-supply-hack-chat-with-josh-lifton/)
https://hackaday.com/2019/07/22/crowd-supply-hack-chat-with-josh-lifton/
Join us on Wednesday, July 24th at noon Pacific for the Crowd Supply Hack Chat with Josh Lifton!
When you’re ready to take your Next Big Idea from a project to a product, you face problems that don’t normally present themselves to the hobbyist. Building one of something is quite …read more (https://hackaday.com/2019/07/22/crowd-supply-hack-chat-with-josh-lifton/)
The South American Power Outage that Plunged 48 Million into Blackout
https://hackaday.com/2019/07/22/power-outages-irl/
A massive power outage in South America last month left most of Argentina, Uruguay, and Paraguay in the dark and may also have impacted small portions of Chile and Brazil. It’s estimated that 48 million people were affected and as of this writing there has still been no official explanation …read more (https://hackaday.com/2019/07/22/power-outages-irl/)
https://hackaday.com/2019/07/22/power-outages-irl/
A massive power outage in South America last month left most of Argentina, Uruguay, and Paraguay in the dark and may also have impacted small portions of Chile and Brazil. It’s estimated that 48 million people were affected and as of this writing there has still been no official explanation …read more (https://hackaday.com/2019/07/22/power-outages-irl/)
A Drop-In Upgrade Module for Cheap Rotary Tools
https://hackaday.com/2019/07/22/a-drop-in-upgrade-module-for-cheap-rotary-tools/
We’ve all seen them, the rotary tools that look almost, but not quite exactly, like a Dremel. They cost just a fraction of the real thing, and even use the same bits as the official Bosch-owned version. At first glance, they might seem like a perfect solution for the …read more (https://hackaday.com/2019/07/22/a-drop-in-upgrade-module-for-cheap-rotary-tools/)
https://hackaday.com/2019/07/22/a-drop-in-upgrade-module-for-cheap-rotary-tools/
We’ve all seen them, the rotary tools that look almost, but not quite exactly, like a Dremel. They cost just a fraction of the real thing, and even use the same bits as the official Bosch-owned version. At first glance, they might seem like a perfect solution for the …read more (https://hackaday.com/2019/07/22/a-drop-in-upgrade-module-for-cheap-rotary-tools/)
Developing An Automatic Tool For CAN Bus Hacking
https://hackaday.com/2019/07/22/developing-an-automatic-tool-for-can-bus-hacking/
In the old days, a physical button or switch on the dashboard of your car would have been wired to whatever device it was controlling. There was potentially a relay in the mix, but still, it wasn’t too hard to follow wires through the harness and figure out where they …read more (https://hackaday.com/2019/07/22/developing-an-automatic-tool-for-can-bus-hacking/)
https://hackaday.com/2019/07/22/developing-an-automatic-tool-for-can-bus-hacking/
In the old days, a physical button or switch on the dashboard of your car would have been wired to whatever device it was controlling. There was potentially a relay in the mix, but still, it wasn’t too hard to follow wires through the harness and figure out where they …read more (https://hackaday.com/2019/07/22/developing-an-automatic-tool-for-can-bus-hacking/)
Make Your Own SPL DB Meter With A Microphone And MCU
https://hackaday.com/2019/07/22/make-your-own-spl-db-meter-with-a-microphone-and-mcu/
Measuring equipment such as SPL (Sound Pressure Level) decibel meters may seem daunting, but this article by [Shawon M. Shahryiar] shows that making your own need only have two essential ingredients: a microphone and a microcontroller. Obviously the microphone is for measuring the sound pressure level, and its output is …read more (https://hackaday.com/2019/07/22/make-your-own-spl-db-meter-with-a-microphone-and-mcu/)
https://hackaday.com/2019/07/22/make-your-own-spl-db-meter-with-a-microphone-and-mcu/
Measuring equipment such as SPL (Sound Pressure Level) decibel meters may seem daunting, but this article by [Shawon M. Shahryiar] shows that making your own need only have two essential ingredients: a microphone and a microcontroller. Obviously the microphone is for measuring the sound pressure level, and its output is …read more (https://hackaday.com/2019/07/22/make-your-own-spl-db-meter-with-a-microphone-and-mcu/)
High Precision Analog IO With Digital Pins
https://hackaday.com/2019/07/22/high-precision-analog-io-with-digital-pins/
Reading the temperature of your environment is pretty easy right? A quick search suggests the utterly ubiquitous DHT11, which speaks a well documented protocol and has libraries for every conceivable microcontroller and platform. Plug that into your Arduino and boom, temperature (and humidity!) readings. But the simple solution doesn’t hit …read more (https://hackaday.com/2019/07/22/high-precision-analog-io-with-digital-pins/)
https://hackaday.com/2019/07/22/high-precision-analog-io-with-digital-pins/
Reading the temperature of your environment is pretty easy right? A quick search suggests the utterly ubiquitous DHT11, which speaks a well documented protocol and has libraries for every conceivable microcontroller and platform. Plug that into your Arduino and boom, temperature (and humidity!) readings. But the simple solution doesn’t hit …read more (https://hackaday.com/2019/07/22/high-precision-analog-io-with-digital-pins/)
Gesture Controlled Doom
https://hackaday.com/2019/07/22/gesture-controlled-doom/
DOOM will forever be remembered as one of the founding games of the entire FPS genre. It also stands as a game which has long been a fertile ground for hackers and modders. [Nick Bild] decided to bring gesture control to iD’s classic shooter, courtesy of machine learning.
The setup …read more (https://hackaday.com/2019/07/22/gesture-controlled-doom/)
https://hackaday.com/2019/07/22/gesture-controlled-doom/
DOOM will forever be remembered as one of the founding games of the entire FPS genre. It also stands as a game which has long been a fertile ground for hackers and modders. [Nick Bild] decided to bring gesture control to iD’s classic shooter, courtesy of machine learning.
The setup …read more (https://hackaday.com/2019/07/22/gesture-controlled-doom/)
Vacuum Sputtering with a Homemade Magnetron
https://hackaday.com/2019/07/23/vacuum-sputtering-with-a-homemade-magnetron/
“You can never be too rich or too thin,” the saying goes, and when it comes to coatings, it’s true that thinner is often better. The way to truly thin coatings, ones that are sometimes only a few atoms thick, is physical vapor deposition, or PVD, a technique where a …read more (https://hackaday.com/2019/07/23/vacuum-sputtering-with-a-homemade-magnetron/)
https://hackaday.com/2019/07/23/vacuum-sputtering-with-a-homemade-magnetron/
“You can never be too rich or too thin,” the saying goes, and when it comes to coatings, it’s true that thinner is often better. The way to truly thin coatings, ones that are sometimes only a few atoms thick, is physical vapor deposition, or PVD, a technique where a …read more (https://hackaday.com/2019/07/23/vacuum-sputtering-with-a-homemade-magnetron/)
I Love the Smell of ABS Plastic in the Morning
https://hackaday.com/2019/07/23/i-love-the-smell-of-abs-plastic-in-the-morning/
One lesson we can learn from the Vietnam War documentary Apocalypse Now is that only crazy people like terrible smells just for fun. Surely Lt. Col. Kilgore would appreciate the smell of 3D printers as well, but for those among us who are a little less insane, we might want …read more (https://hackaday.com/2019/07/23/i-love-the-smell-of-abs-plastic-in-the-morning/)
https://hackaday.com/2019/07/23/i-love-the-smell-of-abs-plastic-in-the-morning/
One lesson we can learn from the Vietnam War documentary Apocalypse Now is that only crazy people like terrible smells just for fun. Surely Lt. Col. Kilgore would appreciate the smell of 3D printers as well, but for those among us who are a little less insane, we might want …read more (https://hackaday.com/2019/07/23/i-love-the-smell-of-abs-plastic-in-the-morning/)