Etch-A-Selfie
https://hackaday.com/2019/07/30/etch-a-selfie/
Taking a selfie before the modern smartphone era was a true endeavor. Flip phones didn’t have forward-facing cameras, and if you want to go really far back to the days of film cameras, you needed to set a timer on your camera and hope, or get a physical remote shutter. …read more (https://hackaday.com/2019/07/30/etch-a-selfie/)
https://hackaday.com/2019/07/30/etch-a-selfie/
Taking a selfie before the modern smartphone era was a true endeavor. Flip phones didn’t have forward-facing cameras, and if you want to go really far back to the days of film cameras, you needed to set a timer on your camera and hope, or get a physical remote shutter. …read more (https://hackaday.com/2019/07/30/etch-a-selfie/)
C++20 Is Feature Complete; Here’s What Changes Are Coming
https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/
If you have an opinion about C++, chances are you either love it for its extensiveness and versatility, or you hate it for its bloated complexity and would rather stick to alternative languages on both sides of the spectrum. Either way, here’s your chance to form a new opinion about …read more (https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/)
https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/
If you have an opinion about C++, chances are you either love it for its extensiveness and versatility, or you hate it for its bloated complexity and would rather stick to alternative languages on both sides of the spectrum. Either way, here’s your chance to form a new opinion about …read more (https://hackaday.com/2019/07/30/c20-is-feature-complete-heres-what-changes-are-coming/)
Driving a Big RC Car On The Ceiling
https://hackaday.com/2019/07/30/driving-a-big-rc-car-on-the-ceiling/
RC cars are a great way to have fun hooning around. There’s plenty of laughs to be had racing your friends in the local grocery store carpark, ideally after hours. [Ivan Miranda] wanted to go in a different direction, however – and that direction was up. (Video embedded after the …read more (https://hackaday.com/2019/07/30/driving-a-big-rc-car-on-the-ceiling/)
https://hackaday.com/2019/07/30/driving-a-big-rc-car-on-the-ceiling/
RC cars are a great way to have fun hooning around. There’s plenty of laughs to be had racing your friends in the local grocery store carpark, ideally after hours. [Ivan Miranda] wanted to go in a different direction, however – and that direction was up. (Video embedded after the …read more (https://hackaday.com/2019/07/30/driving-a-big-rc-car-on-the-ceiling/)
Vintage Computer Festival West is Almost Here
https://hackaday.com/2019/07/30/vintage-computer-festival-west-is-almost-here/
If you’ve got an interest in technology, a penchant for that particular shade of yellowed plastic, and happen to be located in the California area, then we’ve got the event for you. The Vintage Computer Festival West is happening this weekend, August 3rd and 4th, at the Computer History Museum …read more (https://hackaday.com/2019/07/30/vintage-computer-festival-west-is-almost-here/)
https://hackaday.com/2019/07/30/vintage-computer-festival-west-is-almost-here/
If you’ve got an interest in technology, a penchant for that particular shade of yellowed plastic, and happen to be located in the California area, then we’ve got the event for you. The Vintage Computer Festival West is happening this weekend, August 3rd and 4th, at the Computer History Museum …read more (https://hackaday.com/2019/07/30/vintage-computer-festival-west-is-almost-here/)
Teardown: Catel CTP300 Restaurant Pager
https://hackaday.com/2019/07/30/teardown-catel-ctp300-restaurant-pager/
I have a problem. If I go to a swap meet , or even a particularly well stocked yard sale, I feel compelled to buy something. Especially if that something happens to be an oddball piece of electronics. While on the whole I’m a man of few vices, I simply …read more (https://hackaday.com/2019/07/30/teardown-catel-ctp300-restaurant-pager/)
https://hackaday.com/2019/07/30/teardown-catel-ctp300-restaurant-pager/
I have a problem. If I go to a swap meet , or even a particularly well stocked yard sale, I feel compelled to buy something. Especially if that something happens to be an oddball piece of electronics. While on the whole I’m a man of few vices, I simply …read more (https://hackaday.com/2019/07/30/teardown-catel-ctp300-restaurant-pager/)
Pick and Place Robot Built with Fischertechnik
https://hackaday.com/2019/07/30/pick-and-place-robot-built-with-fischertechnik/
We’d be entirely wrong to think that Fichertechnik is just a toy for kids. It’s also perfect for prototyping the control system of robots. [davidatfsg]’s recent entry in the Hackaday Prize, Delta Robot, shows how complex robotics can be implemented without the hardship of having to drill, cut, bolt together …read more (https://hackaday.com/2019/07/30/pick-and-place-robot-built-with-fischertechnik/)
https://hackaday.com/2019/07/30/pick-and-place-robot-built-with-fischertechnik/
We’d be entirely wrong to think that Fichertechnik is just a toy for kids. It’s also perfect for prototyping the control system of robots. [davidatfsg]’s recent entry in the Hackaday Prize, Delta Robot, shows how complex robotics can be implemented without the hardship of having to drill, cut, bolt together …read more (https://hackaday.com/2019/07/30/pick-and-place-robot-built-with-fischertechnik/)
Preserving Historic NASA Display Technology
https://hackaday.com/2019/07/30/preserving-historic-nasa-display-technology/
When [Patrick Hickey] spent a tidy sum on eBay to purchase a pair of seven-segment displays used in the Launch Control Center at Kennedy Space Center during the Apollo program, he could have just put them up on a shelf. It’s certainly what most people would have done. Instead, he’s …read more (https://hackaday.com/2019/07/30/preserving-historic-nasa-display-technology/)
https://hackaday.com/2019/07/30/preserving-historic-nasa-display-technology/
When [Patrick Hickey] spent a tidy sum on eBay to purchase a pair of seven-segment displays used in the Launch Control Center at Kennedy Space Center during the Apollo program, he could have just put them up on a shelf. It’s certainly what most people would have done. Instead, he’s …read more (https://hackaday.com/2019/07/30/preserving-historic-nasa-display-technology/)
Put A Smoke Detector To Some Use
https://hackaday.com/2019/07/30/put-a-smoke-detector-to-use/
While we’re certainly not denying that smoke detectors are useful, there’s a certain kind of tragedy to the fact that most of them will never realize their true purpose of detecting smoke, and alerting us to a dangerous fire. On the other hand, [Ben] really unlocks the potential hidden …read more (https://hackaday.com/2019/07/30/put-a-smoke-detector-to-use/)
https://hackaday.com/2019/07/30/put-a-smoke-detector-to-use/
While we’re certainly not denying that smoke detectors are useful, there’s a certain kind of tragedy to the fact that most of them will never realize their true purpose of detecting smoke, and alerting us to a dangerous fire. On the other hand, [Ben] really unlocks the potential hidden …read more (https://hackaday.com/2019/07/30/put-a-smoke-detector-to-use/)
Four Years Of Learning ESP8266 Development Went Into This Guide
https://hackaday.com/2019/07/30/four-years-of-learning-esp8266-development-went-into-this-guide/
The ESP8266 is a great processor for a lot of projects needing a small microcontroller and Wi-Fi, all for a reasonable price and in some pretty small form factors. [Simon] used one to build a garage door opener. This project isn’t really about his garage door opener based on a …read more (https://hackaday.com/2019/07/30/four-years-of-learning-esp8266-development-went-into-this-guide/)
https://hackaday.com/2019/07/30/four-years-of-learning-esp8266-development-went-into-this-guide/
The ESP8266 is a great processor for a lot of projects needing a small microcontroller and Wi-Fi, all for a reasonable price and in some pretty small form factors. [Simon] used one to build a garage door opener. This project isn’t really about his garage door opener based on a …read more (https://hackaday.com/2019/07/30/four-years-of-learning-esp8266-development-went-into-this-guide/)
Chiptunes Via USB MIDI With The AY-3-8910
https://hackaday.com/2019/07/30/chiptunes-via-usb-midi-with-the-ay-3-8910/
There are many venerable soundchips in the chiptune pantheon, of which the AY-3-8910 is perhaps one of the lesser known. Having not served on active duty for Nintendo or Commodore it’s somewhat unloved in the USA, but it made its name in a variety of arcade and pinball machines and …read more (https://hackaday.com/2019/07/30/chiptunes-via-usb-midi-with-the-ay-3-8910/)
https://hackaday.com/2019/07/30/chiptunes-via-usb-midi-with-the-ay-3-8910/
There are many venerable soundchips in the chiptune pantheon, of which the AY-3-8910 is perhaps one of the lesser known. Having not served on active duty for Nintendo or Commodore it’s somewhat unloved in the USA, but it made its name in a variety of arcade and pinball machines and …read more (https://hackaday.com/2019/07/30/chiptunes-via-usb-midi-with-the-ay-3-8910/)
Run Your Own Phone to Bring the Dreamcast Back Online
https://hackaday.com/2019/07/31/run-your-own-phone-to-bring-the-dreamcast-back-online/
Playing a video game online is almost second nature now. So much so that almost all multiplayer video games have ditched their split-screen multiplayer modes because they assume you’d rather just be alone at your house than hanging out with your friends. This wasn’t always the case though. In the …read more (https://hackaday.com/2019/07/31/run-your-own-phone-to-bring-the-dreamcast-back-online/)
https://hackaday.com/2019/07/31/run-your-own-phone-to-bring-the-dreamcast-back-online/
Playing a video game online is almost second nature now. So much so that almost all multiplayer video games have ditched their split-screen multiplayer modes because they assume you’d rather just be alone at your house than hanging out with your friends. This wasn’t always the case though. In the …read more (https://hackaday.com/2019/07/31/run-your-own-phone-to-bring-the-dreamcast-back-online/)
Tiny ThinkPad Plays Tiny Games
https://hackaday.com/2019/07/31/tiny-thinkpad-plays-tiny-games/
[Paul Klinger] can’t seem to get enough of building tiny, amazing gaming rigs, and we love him for that. They combine two of our favorites: miniatures and portable gaming. His newest creation honors the form of the formidable ThinkPad.
Of course it has the red nipple and lid LED—wouldn’t be …read more (https://hackaday.com/2019/07/31/tiny-thinkpad-plays-tiny-games/)
https://hackaday.com/2019/07/31/tiny-thinkpad-plays-tiny-games/
[Paul Klinger] can’t seem to get enough of building tiny, amazing gaming rigs, and we love him for that. They combine two of our favorites: miniatures and portable gaming. His newest creation honors the form of the formidable ThinkPad.
Of course it has the red nipple and lid LED—wouldn’t be …read more (https://hackaday.com/2019/07/31/tiny-thinkpad-plays-tiny-games/)
RTL-SDR: Seven Years Later
https://hackaday.com/2019/07/31/rtl-sdr-seven-years-later/
Before swearing my fealty to the Jolly Wrencher, I wrote for several other sites, creating more or less the same sort of content I do now. In fact, the topical overlap was enough that occasionally those articles would get picked up here on Hackaday. One of those articles, which graced …read more (https://hackaday.com/2019/07/31/rtl-sdr-seven-years-later/)
https://hackaday.com/2019/07/31/rtl-sdr-seven-years-later/
Before swearing my fealty to the Jolly Wrencher, I wrote for several other sites, creating more or less the same sort of content I do now. In fact, the topical overlap was enough that occasionally those articles would get picked up here on Hackaday. One of those articles, which graced …read more (https://hackaday.com/2019/07/31/rtl-sdr-seven-years-later/)
BootBasic Fits Your Favorite Language in the Boot Sector
https://hackaday.com/2019/07/31/bootbasic-fits-your-favorite-language-in-the-boot-sector/
Humans seem to have a need to do things that aren’t practical. Make the biggest ball of twine. Engrave the Declaration of Independence on a grain of rice. We want to make things bigger, smaller, faster, or whatever. That might explain why [nanochess] put out bootBASIC.
The 8088 (or later) …read more (https://hackaday.com/2019/07/31/bootbasic-fits-your-favorite-language-in-the-boot-sector/)
https://hackaday.com/2019/07/31/bootbasic-fits-your-favorite-language-in-the-boot-sector/
Humans seem to have a need to do things that aren’t practical. Make the biggest ball of twine. Engrave the Declaration of Independence on a grain of rice. We want to make things bigger, smaller, faster, or whatever. That might explain why [nanochess] put out bootBASIC.
The 8088 (or later) …read more (https://hackaday.com/2019/07/31/bootbasic-fits-your-favorite-language-in-the-boot-sector/)
Machinist Tools: Edge Finding
https://hackaday.com/2019/07/31/machinist-tools-edge-finding/
Machinists like to live on the edge, but they always want to know precisely where it is. If you’ve watched any machining videos (*cough*) then you’ve seen heavy use of digital readouts on machines. A “DRO” (as the cool kids call them) is a little computer that knows …read more (https://hackaday.com/2019/07/31/machinist-tools-edge-finding/)
https://hackaday.com/2019/07/31/machinist-tools-edge-finding/
Machinists like to live on the edge, but they always want to know precisely where it is. If you’ve watched any machining videos (*cough*) then you’ve seen heavy use of digital readouts on machines. A “DRO” (as the cool kids call them) is a little computer that knows …read more (https://hackaday.com/2019/07/31/machinist-tools-edge-finding/)
Open Source Smart Display Takes the Long Way Around
https://hackaday.com/2019/07/31/open-source-smart-display-takes-the-long-way-around/
Thanks to the relatively low cost of the Raspberry Pi and high resolution LCD screens, “smart displays” have become a favorite project of those looking to clear out their parts bins. Just hook the Pi up to the screen, setup some software, and you’ve got yourself a digital bulletin board …read more (https://hackaday.com/2019/07/31/open-source-smart-display-takes-the-long-way-around/)
https://hackaday.com/2019/07/31/open-source-smart-display-takes-the-long-way-around/
Thanks to the relatively low cost of the Raspberry Pi and high resolution LCD screens, “smart displays” have become a favorite project of those looking to clear out their parts bins. Just hook the Pi up to the screen, setup some software, and you’ve got yourself a digital bulletin board …read more (https://hackaday.com/2019/07/31/open-source-smart-display-takes-the-long-way-around/)
Big Ol’ LED Wall Looks Cool, Can Draw Over 170 Amps
https://hackaday.com/2019/07/31/big-ol-led-wall-looks-cool-can-draw-over-170-amps/
Building giant LED walls comes with a serious set of challenges. Whether they lie in power, cable routing, or just finding a way to clock out data fast enough for all the pixels, it takes some doing to build a decent sized display. [Phill] wanted a statement piece for the …read more (https://hackaday.com/2019/07/31/big-ol-led-wall-looks-cool-can-draw-over-170-amps/)
https://hackaday.com/2019/07/31/big-ol-led-wall-looks-cool-can-draw-over-170-amps/
Building giant LED walls comes with a serious set of challenges. Whether they lie in power, cable routing, or just finding a way to clock out data fast enough for all the pixels, it takes some doing to build a decent sized display. [Phill] wanted a statement piece for the …read more (https://hackaday.com/2019/07/31/big-ol-led-wall-looks-cool-can-draw-over-170-amps/)
Reflecting On Margaret Hamilton: 50 Years After Apollo 11
https://hackaday.com/2019/07/31/reflecting-on-margaret-hamilton/
In celebration of the 50th anniversary of the first Apollo moon landing, Google created a 1.4-square-mile portrait of NASA software developer Margaret Hamilton using more than 107,000 mirrors from the Ivanpah Solar Facility in the Mojave Desert, a solar thermal power plant with a gross capacity of 392 megawatts.
The …read more (https://hackaday.com/2019/07/31/reflecting-on-margaret-hamilton/)
https://hackaday.com/2019/07/31/reflecting-on-margaret-hamilton/
In celebration of the 50th anniversary of the first Apollo moon landing, Google created a 1.4-square-mile portrait of NASA software developer Margaret Hamilton using more than 107,000 mirrors from the Ivanpah Solar Facility in the Mojave Desert, a solar thermal power plant with a gross capacity of 392 megawatts.
The …read more (https://hackaday.com/2019/07/31/reflecting-on-margaret-hamilton/)
Ping-Pong Ball Makes Great PID Example
https://hackaday.com/2019/07/31/ping-pong-ball-makes-great-pid-example/
It is a common situation in electronics to have a control loop, that is some sort of feedback that drives the input to a system such as a motor or a heater based upon a sensor to measure something like position or temperature. You’ll have a set point — whatever …read more (https://hackaday.com/2019/07/31/ping-pong-ball-makes-great-pid-example/)
https://hackaday.com/2019/07/31/ping-pong-ball-makes-great-pid-example/
It is a common situation in electronics to have a control loop, that is some sort of feedback that drives the input to a system such as a motor or a heater based upon a sensor to measure something like position or temperature. You’ll have a set point — whatever …read more (https://hackaday.com/2019/07/31/ping-pong-ball-makes-great-pid-example/)
Creative Limitation And The Super Nintendo Sound Chips
https://hackaday.com/2019/07/31/creative-limitation-and-the-super-nintendo-sound-chips/
The Super Nintendo recently experienced a surge in popularity, either from a combination of nostalgic 30-somethings recreating their childhoods, or because Nintendo released a “classic” version of this nearly-perfect video game system. Or a combination of both. But what made the system worthy of being remembered at all? With only …read more (https://hackaday.com/2019/07/31/creative-limitation-and-the-super-nintendo-sound-chips/)
https://hackaday.com/2019/07/31/creative-limitation-and-the-super-nintendo-sound-chips/
The Super Nintendo recently experienced a surge in popularity, either from a combination of nostalgic 30-somethings recreating their childhoods, or because Nintendo released a “classic” version of this nearly-perfect video game system. Or a combination of both. But what made the system worthy of being remembered at all? With only …read more (https://hackaday.com/2019/07/31/creative-limitation-and-the-super-nintendo-sound-chips/)