Dub Siren Synth Does It The Old School Way
https://hackaday.com/2019/11/29/dub-siren-synth-does-it-the-old-school-way/
There’s little that can compare to the sheer obnoxious thrill of mashing the DJ siren when its your turn behind the decks. We’ve certainly been guilty of abusing the privilege at local house parties, and unsurprisingly have not been invited back. If we ever get another shot, though, we’d be …read more (https://hackaday.com/2019/11/29/dub-siren-synth-does-it-the-old-school-way/)
https://hackaday.com/2019/11/29/dub-siren-synth-does-it-the-old-school-way/
There’s little that can compare to the sheer obnoxious thrill of mashing the DJ siren when its your turn behind the decks. We’ve certainly been guilty of abusing the privilege at local house parties, and unsurprisingly have not been invited back. If we ever get another shot, though, we’d be …read more (https://hackaday.com/2019/11/29/dub-siren-synth-does-it-the-old-school-way/)
Making Your Own Chain Sprockets, The Tidy Way
https://hackaday.com/2019/11/29/making-your-own-chain-sprockets-the-tidy-way/
Chain sprockets are a key drivetrain component in a lot of builds. Unfortunately they can be difficult to source, particularly for those outside the reach of retailers like McMaster-Carr. In such situations, you might consider making your own.
The toothed profile on a chain sprocket can be produced in a …read more (https://hackaday.com/2019/11/29/making-your-own-chain-sprockets-the-tidy-way/)
https://hackaday.com/2019/11/29/making-your-own-chain-sprockets-the-tidy-way/
Chain sprockets are a key drivetrain component in a lot of builds. Unfortunately they can be difficult to source, particularly for those outside the reach of retailers like McMaster-Carr. In such situations, you might consider making your own.
The toothed profile on a chain sprocket can be produced in a …read more (https://hackaday.com/2019/11/29/making-your-own-chain-sprockets-the-tidy-way/)
Building Your Own Tensegrity Structure
https://hackaday.com/2019/11/29/building-your-own-tensegrity-structure/
It seems that tensegrity structures are trending online, possibly due to the seemingly impossible nature of their construction. The strings appear to levitate without any sound reason, but if you bend them just the right way they’ll succumb to gravity.
The clue is in the name. Tensegrity is a pormanteau …read more (https://hackaday.com/2019/11/29/building-your-own-tensegrity-structure/)
https://hackaday.com/2019/11/29/building-your-own-tensegrity-structure/
It seems that tensegrity structures are trending online, possibly due to the seemingly impossible nature of their construction. The strings appear to levitate without any sound reason, but if you bend them just the right way they’ll succumb to gravity.
The clue is in the name. Tensegrity is a pormanteau …read more (https://hackaday.com/2019/11/29/building-your-own-tensegrity-structure/)
Robot vs. Superbug
https://hackaday.com/2019/11/30/robot-vs-superbug/
Working in a university or research laboratory on interesting, complicated problems in the sciences has a romanticized, glorified position in our culture. While the end results are certainly worth celebrating, often the process of new scientific discovery is underwhelming, if not outright tedious. That’s especially true in biology and chemistry, …read more (https://hackaday.com/2019/11/30/robot-vs-superbug/)
https://hackaday.com/2019/11/30/robot-vs-superbug/
Working in a university or research laboratory on interesting, complicated problems in the sciences has a romanticized, glorified position in our culture. While the end results are certainly worth celebrating, often the process of new scientific discovery is underwhelming, if not outright tedious. That’s especially true in biology and chemistry, …read more (https://hackaday.com/2019/11/30/robot-vs-superbug/)
Simple Acrylic Plates Make Kirlian Photography a Breeze
https://hackaday.com/2019/11/30/simple-acrylic-plates-make-kirlian-photography-a-breeze/
We know, we know – “Kirlian photography” is a term loaded with pseudoscientific baggage. Paranormal researchers have longed claimed that Kirlian photography can explore the mood or emotional state of a subject through the “aura”, an energy field said to surround and emanate from all living things. It’s straight-up nonsense, …read more (https://hackaday.com/2019/11/30/simple-acrylic-plates-make-kirlian-photography-a-breeze/)
https://hackaday.com/2019/11/30/simple-acrylic-plates-make-kirlian-photography-a-breeze/
We know, we know – “Kirlian photography” is a term loaded with pseudoscientific baggage. Paranormal researchers have longed claimed that Kirlian photography can explore the mood or emotional state of a subject through the “aura”, an energy field said to surround and emanate from all living things. It’s straight-up nonsense, …read more (https://hackaday.com/2019/11/30/simple-acrylic-plates-make-kirlian-photography-a-breeze/)
Circuit Simulation in Python
https://hackaday.com/2019/11/30/circuit-simulation-in-python/
Using SPICE to simulate an electrical circuit is a common enough practice in engineering that “SPICEing a circuit” is a perfectly valid phrase in the lexicon. SPICE as a software tool has been around since the 70s, and its open source nature means there are more SPICE tools around now …read more (https://hackaday.com/2019/11/30/circuit-simulation-in-python/)
https://hackaday.com/2019/11/30/circuit-simulation-in-python/
Using SPICE to simulate an electrical circuit is a common enough practice in engineering that “SPICEing a circuit” is a perfectly valid phrase in the lexicon. SPICE as a software tool has been around since the 70s, and its open source nature means there are more SPICE tools around now …read more (https://hackaday.com/2019/11/30/circuit-simulation-in-python/)
Multi Material 3D Printing Makes Soft Robot
https://hackaday.com/2019/11/30/multi-material-3d-printing-makes-soft-robot/
When you zoom in on a fractal you find it is made of more fractals. Perhaps that helped inspire the Harvard 3D printers that have various arrays of mixing nozzles. In the video below you can see some of the interesting things you can do with an array of mixing …read more (https://hackaday.com/2019/11/30/multi-material-3d-printing-makes-soft-robot/)
https://hackaday.com/2019/11/30/multi-material-3d-printing-makes-soft-robot/
When you zoom in on a fractal you find it is made of more fractals. Perhaps that helped inspire the Harvard 3D printers that have various arrays of mixing nozzles. In the video below you can see some of the interesting things you can do with an array of mixing …read more (https://hackaday.com/2019/11/30/multi-material-3d-printing-makes-soft-robot/)
Let A CPR Robot Save The Day
https://hackaday.com/2019/11/30/let-a-cpr-robot-save-the-day/
Four highschool students in Lyon France are building a CPR robot, with the aim of removing the endurance problem faced by those delivering this form of essential first aid.
By every after action report, CPR is an emotionally and physically exhausting way to save a life. When someone’s heart stops …read more (https://hackaday.com/2019/11/30/let-a-cpr-robot-save-the-day/)
https://hackaday.com/2019/11/30/let-a-cpr-robot-save-the-day/
Four highschool students in Lyon France are building a CPR robot, with the aim of removing the endurance problem faced by those delivering this form of essential first aid.
By every after action report, CPR is an emotionally and physically exhausting way to save a life. When someone’s heart stops …read more (https://hackaday.com/2019/11/30/let-a-cpr-robot-save-the-day/)
This Week in Security:Malicious Previews, VNC Vulnerabilities, Powerwall, and The 5th Amendment
https://hackaday.com/2019/11/30/this-week-in-securitymalicious-previews-vnc-vulnerabilities-powerwall-and-the-5th-amendment/
Malware embedded in office documents has been a popular attack for years. Many of those attacks have been fixed, and essentially all the current attacks are unworkable when a document is opened in protected view. There are ways around this, like putting a notice at the top of a document, …read more (https://hackaday.com/2019/11/30/this-week-in-securitymalicious-previews-vnc-vulnerabilities-powerwall-and-the-5th-amendment/)
https://hackaday.com/2019/11/30/this-week-in-securitymalicious-previews-vnc-vulnerabilities-powerwall-and-the-5th-amendment/
Malware embedded in office documents has been a popular attack for years. Many of those attacks have been fixed, and essentially all the current attacks are unworkable when a document is opened in protected view. There are ways around this, like putting a notice at the top of a document, …read more (https://hackaday.com/2019/11/30/this-week-in-securitymalicious-previews-vnc-vulnerabilities-powerwall-and-the-5th-amendment/)
An Efficient Homemade Wood furnace
https://hackaday.com/2019/11/30/an-efficient-homemade-wood-furnace/
For poor [workshop from scratch], winter brings the joy of a cold workshop. Since the building is structurally made from tin, warming up the room is difficult.
Naturally, the solution was to construct a homemade wood furnace. The build starts off with an angle grinder being taken to a compressed …read more (https://hackaday.com/2019/11/30/an-efficient-homemade-wood-furnace/)
https://hackaday.com/2019/11/30/an-efficient-homemade-wood-furnace/
For poor [workshop from scratch], winter brings the joy of a cold workshop. Since the building is structurally made from tin, warming up the room is difficult.
Naturally, the solution was to construct a homemade wood furnace. The build starts off with an angle grinder being taken to a compressed …read more (https://hackaday.com/2019/11/30/an-efficient-homemade-wood-furnace/)
You’ve Got Mail?
https://hackaday.com/2019/11/30/youve-got-mail/
Life is full of tough decisions, such as deciding whether you want to go to the end of the drive to check if the mail has arrived. These questions are made even more arduous in the winter months, but [Catpin] has a solution. The Mail Box Alert uses an Electric …read more (https://hackaday.com/2019/11/30/youve-got-mail/)
https://hackaday.com/2019/11/30/youve-got-mail/
Life is full of tough decisions, such as deciding whether you want to go to the end of the drive to check if the mail has arrived. These questions are made even more arduous in the winter months, but [Catpin] has a solution. The Mail Box Alert uses an Electric …read more (https://hackaday.com/2019/11/30/youve-got-mail/)
DeepPCB Routes Your KiCAD PCBs
https://hackaday.com/2019/12/01/deeppcb-routes-your-kicad-pcbs/
Computers can write poetry, even if they can’t necessarily write good poetry. The same can be said of routing PC boards. Computers can do it, but can they do it well? Of course, there are multiple tools each with pluses and minuses. However, a slick web page recently announced deeppcb.ai …read more (https://hackaday.com/2019/12/01/deeppcb-routes-your-kicad-pcbs/)
https://hackaday.com/2019/12/01/deeppcb-routes-your-kicad-pcbs/
Computers can write poetry, even if they can’t necessarily write good poetry. The same can be said of routing PC boards. Computers can do it, but can they do it well? Of course, there are multiple tools each with pluses and minuses. However, a slick web page recently announced deeppcb.ai …read more (https://hackaday.com/2019/12/01/deeppcb-routes-your-kicad-pcbs/)
Manual Mesh Bed Levelling for 3D Printers
https://hackaday.com/2019/12/01/manual-mesh-bed-levelling-for-3d-printers/
In 3D printing, we often talk about leveling the print bed, although that’s not an accurate term. A bed that is level in our terms presents a flat surface that is parallel to the path of the print head, but within reason we care little about that. Instead we care …read more (https://hackaday.com/2019/12/01/manual-mesh-bed-levelling-for-3d-printers/)
https://hackaday.com/2019/12/01/manual-mesh-bed-levelling-for-3d-printers/
In 3D printing, we often talk about leveling the print bed, although that’s not an accurate term. A bed that is level in our terms presents a flat surface that is parallel to the path of the print head, but within reason we care little about that. Instead we care …read more (https://hackaday.com/2019/12/01/manual-mesh-bed-levelling-for-3d-printers/)
Turning a Bad Bench Supply into a Better Bench Supply
https://hackaday.com/2019/12/01/turning-a-bad-bench-supply-into-a-better-bench-supply/
‘Tis the season for dropping hints on what new doodads would make a hacker happy, and we have to admit to doing a little virtual window shopping ourselves. And as a decent bench power supply is on our list, it was no surprise to see videos reviews that the hive …read more (https://hackaday.com/2019/12/01/turning-a-bad-bench-supply-into-a-better-bench-supply/)
https://hackaday.com/2019/12/01/turning-a-bad-bench-supply-into-a-better-bench-supply/
‘Tis the season for dropping hints on what new doodads would make a hacker happy, and we have to admit to doing a little virtual window shopping ourselves. And as a decent bench power supply is on our list, it was no surprise to see videos reviews that the hive …read more (https://hackaday.com/2019/12/01/turning-a-bad-bench-supply-into-a-better-bench-supply/)
Creating Easy Glass Circuit Boards At Home
https://hackaday.com/2019/12/01/creating-easy-glass-circuit-boards-at-home/
This tip for creating glass substrate circuit boards at home might hew a bit closer to arts and crafts than the traditional Hackaday post, but the final results of the method demonstrated by [Heliox] in her recent video are simply too gorgeous to ignore. The video is in French, but …read more (https://hackaday.com/2019/12/01/creating-easy-glass-circuit-boards-at-home/)
https://hackaday.com/2019/12/01/creating-easy-glass-circuit-boards-at-home/
This tip for creating glass substrate circuit boards at home might hew a bit closer to arts and crafts than the traditional Hackaday post, but the final results of the method demonstrated by [Heliox] in her recent video are simply too gorgeous to ignore. The video is in French, but …read more (https://hackaday.com/2019/12/01/creating-easy-glass-circuit-boards-at-home/)
A STM32F4 Based Arduino in the Feather Form Factor
https://hackaday.com/2019/12/01/a-stm32f4-based-arduino-in-the-feather-form-factor/
[minh7a6] loves the Adafruit Feather, but sees some room for improvement.
First is the matter of 5V tolerance. While just about everything is available in a 3.3v range these days, sometimes it’s just nice not to have to care. The main controller on the Feather is plenty powerful, but its …read more (https://hackaday.com/2019/12/01/a-stm32f4-based-arduino-in-the-feather-form-factor/)
https://hackaday.com/2019/12/01/a-stm32f4-based-arduino-in-the-feather-form-factor/
[minh7a6] loves the Adafruit Feather, but sees some room for improvement.
First is the matter of 5V tolerance. While just about everything is available in a 3.3v range these days, sometimes it’s just nice not to have to care. The main controller on the Feather is plenty powerful, but its …read more (https://hackaday.com/2019/12/01/a-stm32f4-based-arduino-in-the-feather-form-factor/)
Hackaday Links: December 1, 2019
https://hackaday.com/2019/12/01/hackaday-links-december-1-2019/
We can recall a book from our youth that cataloged some of the most interesting airplanes in the world. One particularly interesting beast was dubbed “The Super Guppy”, a hilariously distended cargo plane purpose-built for ferrying Saturn rocket sections around the US in the 1960s. We though the Guppies were …read more (https://hackaday.com/2019/12/01/hackaday-links-december-1-2019/)
https://hackaday.com/2019/12/01/hackaday-links-december-1-2019/
We can recall a book from our youth that cataloged some of the most interesting airplanes in the world. One particularly interesting beast was dubbed “The Super Guppy”, a hilariously distended cargo plane purpose-built for ferrying Saturn rocket sections around the US in the 1960s. We though the Guppies were …read more (https://hackaday.com/2019/12/01/hackaday-links-december-1-2019/)
Almond: Open Personal Assistant from Stanford
https://hackaday.com/2019/12/01/almond-open-personal-assistant-from-stanford/
The current state of virtual personal assistants — Alexa, Cortana, Google, and Siri — leaves something to be desired. The speech recognition is mostly pretty good. However, customization options are very limited. Beyond that, many people are worried about the privacy of their data when using one of these assistants. …read more (https://hackaday.com/2019/12/01/almond-open-personal-assistant-from-stanford/)
https://hackaday.com/2019/12/01/almond-open-personal-assistant-from-stanford/
The current state of virtual personal assistants — Alexa, Cortana, Google, and Siri — leaves something to be desired. The speech recognition is mostly pretty good. However, customization options are very limited. Beyond that, many people are worried about the privacy of their data when using one of these assistants. …read more (https://hackaday.com/2019/12/01/almond-open-personal-assistant-from-stanford/)
Building a Faux Retro Portable Computer
https://hackaday.com/2019/12/01/building-a-faux-retro-portable-computer/
The modern laptop has its origins in the mid to late 1980s, when shrinking computer hardware and improvements to battery technology finally made mobile computing practical. Years before the now iconic clamshell form factor became the standard, these so-called “portable computers” often resembled pieces of luggage with keyboards attached. Even …read more (https://hackaday.com/2019/12/01/building-a-faux-retro-portable-computer/)
https://hackaday.com/2019/12/01/building-a-faux-retro-portable-computer/
The modern laptop has its origins in the mid to late 1980s, when shrinking computer hardware and improvements to battery technology finally made mobile computing practical. Years before the now iconic clamshell form factor became the standard, these so-called “portable computers” often resembled pieces of luggage with keyboards attached. Even …read more (https://hackaday.com/2019/12/01/building-a-faux-retro-portable-computer/)
Quick And Dirty: Operate An Intercom Via Telegram
https://hackaday.com/2019/12/02/quick-and-dirty-operate-an-intercom-via-telegram/
Never underestimate the quick and dirty hack. It’s very satisfying to rapidly solve a real problem with whatever you have on hand, and helps to keep your hacking skills sharp for those big beautifully engineered projects. [Guillaume M] needed a way to remotely open his apartment building door for deliveries, …read more (https://hackaday.com/2019/12/02/quick-and-dirty-operate-an-intercom-via-telegram/)
https://hackaday.com/2019/12/02/quick-and-dirty-operate-an-intercom-via-telegram/
Never underestimate the quick and dirty hack. It’s very satisfying to rapidly solve a real problem with whatever you have on hand, and helps to keep your hacking skills sharp for those big beautifully engineered projects. [Guillaume M] needed a way to remotely open his apartment building door for deliveries, …read more (https://hackaday.com/2019/12/02/quick-and-dirty-operate-an-intercom-via-telegram/)