L Band Satellite Antennas Revealed
https://hackaday.com/2019/08/04/l-band-satellite-antennas-revealed/
[SignalsEverywhere] has a lot of satellite antennas and he’s willing to show them off — inside and out — in his latest video that you can see below. Using software-defined radio techniques, you can use these antennas to pull off weather satellite images and other space signals.
A lot of …read more (https://hackaday.com/2019/08/04/l-band-satellite-antennas-revealed/)
https://hackaday.com/2019/08/04/l-band-satellite-antennas-revealed/
[SignalsEverywhere] has a lot of satellite antennas and he’s willing to show them off — inside and out — in his latest video that you can see below. Using software-defined radio techniques, you can use these antennas to pull off weather satellite images and other space signals.
A lot of …read more (https://hackaday.com/2019/08/04/l-band-satellite-antennas-revealed/)
The Not Quite USB-C Of Nintendo Switch Accessories
https://hackaday.com/2019/08/04/the-not-quite-usb-c-of-nintendo-switch-accessories/
Historically gaming consoles are sold at little-to-no profit in order to entice customers with a low up-front price. The real profits roll in afterwards from sales of games and accessories. Seeking a slice of the latter, aftermarket accessory makers jump in with reverse-engineered compatible products at varying levels of “compatible”. …read more (https://hackaday.com/2019/08/04/the-not-quite-usb-c-of-nintendo-switch-accessories/)
https://hackaday.com/2019/08/04/the-not-quite-usb-c-of-nintendo-switch-accessories/
Historically gaming consoles are sold at little-to-no profit in order to entice customers with a low up-front price. The real profits roll in afterwards from sales of games and accessories. Seeking a slice of the latter, aftermarket accessory makers jump in with reverse-engineered compatible products at varying levels of “compatible”. …read more (https://hackaday.com/2019/08/04/the-not-quite-usb-c-of-nintendo-switch-accessories/)
A Tiny Train Departure Board, Just Like The Real Thing
https://hackaday.com/2019/08/05/a-tiny-train-departure-board-just-like-the-real-thing/
If you travel on the British rail system, you’ll be familiar with the ubiquitous orange dot-matrix departure display boards. At a glance they tell you the expected arrival times of the next few trains, where they are headed, and at the bottom the current time. [Chris Crocker-White] was inspired by …read more (https://hackaday.com/2019/08/05/a-tiny-train-departure-board-just-like-the-real-thing/)
https://hackaday.com/2019/08/05/a-tiny-train-departure-board-just-like-the-real-thing/
If you travel on the British rail system, you’ll be familiar with the ubiquitous orange dot-matrix departure display boards. At a glance they tell you the expected arrival times of the next few trains, where they are headed, and at the bottom the current time. [Chris Crocker-White] was inspired by …read more (https://hackaday.com/2019/08/05/a-tiny-train-departure-board-just-like-the-real-thing/)
Resin Printers are Now Cheaper, Still Kind of a Hassle
https://hackaday.com/2019/08/05/resin-printers-are-now-cheaper-still-kind-of-a-hassle/
Your run-of-the-mill desktop 3D printer is based on a technology known as Fused Deposition Modeling (FDM), where the machine squirts out layers of hot plastic that stick to each other. But that’s not the only way to print a Benchy. One of the more exotic alternative techniques uses a photosensitive …read more (https://hackaday.com/2019/08/05/resin-printers-are-now-cheaper-still-kind-of-a-hassle/)
https://hackaday.com/2019/08/05/resin-printers-are-now-cheaper-still-kind-of-a-hassle/
Your run-of-the-mill desktop 3D printer is based on a technology known as Fused Deposition Modeling (FDM), where the machine squirts out layers of hot plastic that stick to each other. But that’s not the only way to print a Benchy. One of the more exotic alternative techniques uses a photosensitive …read more (https://hackaday.com/2019/08/05/resin-printers-are-now-cheaper-still-kind-of-a-hassle/)
A Trillion Trees – How Hard Can It Be?
https://hackaday.com/2019/08/05/a-trillion-trees-how-hard-can-it-be/
Data from 2016 pegs it as the hottest year since recording began way back in 1880. Carbon dioxide levels continue to sit at historical highs, and last year the UN Intergovernmental Panel on Climate Change warned that humanity has just 12 years to limit warming to 1.5 C.
Reducing emissions …read more (https://hackaday.com/2019/08/05/a-trillion-trees-how-hard-can-it-be/)
https://hackaday.com/2019/08/05/a-trillion-trees-how-hard-can-it-be/
Data from 2016 pegs it as the hottest year since recording began way back in 1880. Carbon dioxide levels continue to sit at historical highs, and last year the UN Intergovernmental Panel on Climate Change warned that humanity has just 12 years to limit warming to 1.5 C.
Reducing emissions …read more (https://hackaday.com/2019/08/05/a-trillion-trees-how-hard-can-it-be/)
Breakfast at DEF CON this Sunday
https://hackaday.com/2019/08/05/breakfast-at-def-con-this-sunday/
Nurse your hangover with the Hackaday and Tindie crews as we host the 5th Annual Breakfast at DEF CON.
Everyone knows the days at DEF CON are long, and the nights are longer. Whether you’re just rolling out of bed, or walking straight in from the previous night of partying, …read more (https://hackaday.com/2019/08/05/breakfast-at-def-con-this-sunday/)
https://hackaday.com/2019/08/05/breakfast-at-def-con-this-sunday/
Nurse your hangover with the Hackaday and Tindie crews as we host the 5th Annual Breakfast at DEF CON.
Everyone knows the days at DEF CON are long, and the nights are longer. Whether you’re just rolling out of bed, or walking straight in from the previous night of partying, …read more (https://hackaday.com/2019/08/05/breakfast-at-def-con-this-sunday/)
Orphaned Amazon Dash Buttons Ripe For Hacking
https://hackaday.com/2019/08/05/orphaned-amazon-dash-buttons-ripe-for-hacking/
Amazon Dash buttons were the ultimate single purpose networked device; it really can’t get much simpler than a push button that sends a single message to a fixed endpoint. It was an experiment in ultimate convenience, an entry point to a connected home, and a target for critics of consumerism …read more (https://hackaday.com/2019/08/05/orphaned-amazon-dash-buttons-ripe-for-hacking/)
https://hackaday.com/2019/08/05/orphaned-amazon-dash-buttons-ripe-for-hacking/
Amazon Dash buttons were the ultimate single purpose networked device; it really can’t get much simpler than a push button that sends a single message to a fixed endpoint. It was an experiment in ultimate convenience, an entry point to a connected home, and a target for critics of consumerism …read more (https://hackaday.com/2019/08/05/orphaned-amazon-dash-buttons-ripe-for-hacking/)
SpaceX Clips Dragon’s Wings After Investigation
https://hackaday.com/2019/08/05/spacex-clips-dragons-wings-after-investigation/
When the SpaceX Dragon spacecraft reached orbit for the first time in 2010, it was a historic achievement. But to qualify for NASA’s Commercial Orbital Transportation Services (COTS) program, the capsule also needed to demonstrate that it could return safely to Earth. Its predecessor, the Space Shuttle, had wings that …read more (https://hackaday.com/2019/08/05/spacex-clips-dragons-wings-after-investigation/)
https://hackaday.com/2019/08/05/spacex-clips-dragons-wings-after-investigation/
When the SpaceX Dragon spacecraft reached orbit for the first time in 2010, it was a historic achievement. But to qualify for NASA’s Commercial Orbital Transportation Services (COTS) program, the capsule also needed to demonstrate that it could return safely to Earth. Its predecessor, the Space Shuttle, had wings that …read more (https://hackaday.com/2019/08/05/spacex-clips-dragons-wings-after-investigation/)
Supercap Drink Coasters are the Life of the Party
https://hackaday.com/2019/08/05/supercap-drink-coasters-are-the-life-of-the-party/
You’ve probably seen multicolored flashing LEDs embedded into clear plastic cups or coasters before, they’re quite commonly used in fancy restaurants that also feature animatronic characters and a gift shop on the way out. But have you ever wondered about the logistics of maintaining such devices? When the anthropomorphic rodent …read more (https://hackaday.com/2019/08/05/supercap-drink-coasters-are-the-life-of-the-party/)
https://hackaday.com/2019/08/05/supercap-drink-coasters-are-the-life-of-the-party/
You’ve probably seen multicolored flashing LEDs embedded into clear plastic cups or coasters before, they’re quite commonly used in fancy restaurants that also feature animatronic characters and a gift shop on the way out. But have you ever wondered about the logistics of maintaining such devices? When the anthropomorphic rodent …read more (https://hackaday.com/2019/08/05/supercap-drink-coasters-are-the-life-of-the-party/)
Kickstarter Hack Chat
https://hackaday.com/2019/08/05/kickstarter-hack-chat/
Join us on Wednesday, August 7th at noon Pacific for the Kickstarter Hack Chat with Beau Ambur and Clarissa Redwine!
For many of us, magic things happen on our benches. We mix a little of this, one of those, and a couple of the other things, and suddenly the world …read more (https://hackaday.com/2019/08/05/kickstarter-hack-chat/)
https://hackaday.com/2019/08/05/kickstarter-hack-chat/
Join us on Wednesday, August 7th at noon Pacific for the Kickstarter Hack Chat with Beau Ambur and Clarissa Redwine!
For many of us, magic things happen on our benches. We mix a little of this, one of those, and a couple of the other things, and suddenly the world …read more (https://hackaday.com/2019/08/05/kickstarter-hack-chat/)
Cat Feeder Adds Metrics To Meow Mix
https://hackaday.com/2019/08/05/cat-feeder-adds-metrics-to-meow-mix/
If there’s one thing any cat will work for, it’s food. Usually, this just consists of meowing and/or standing on your chest until you give up the goods. [DynamicallyInvokable] has a beautiful cat, Emma, who meows loudly for food at obscene hours of the morning. As she ages, it’s getting …read more (https://hackaday.com/2019/08/05/cat-feeder-adds-metrics-to-meow-mix/)
https://hackaday.com/2019/08/05/cat-feeder-adds-metrics-to-meow-mix/
If there’s one thing any cat will work for, it’s food. Usually, this just consists of meowing and/or standing on your chest until you give up the goods. [DynamicallyInvokable] has a beautiful cat, Emma, who meows loudly for food at obscene hours of the morning. As she ages, it’s getting …read more (https://hackaday.com/2019/08/05/cat-feeder-adds-metrics-to-meow-mix/)
A SuperCap UPS
https://hackaday.com/2019/08/05/a-supercap-ups/
If you treat your Pi as a wearable or a tablet, you will already have a battery. If you treat your Pi as a desktop you will already have a plug-in power supply, but how about if you live where mains power is unreliable? Like [jwhart1], you may consider building …read more (https://hackaday.com/2019/08/05/a-supercap-ups/)
https://hackaday.com/2019/08/05/a-supercap-ups/
If you treat your Pi as a wearable or a tablet, you will already have a battery. If you treat your Pi as a desktop you will already have a plug-in power supply, but how about if you live where mains power is unreliable? Like [jwhart1], you may consider building …read more (https://hackaday.com/2019/08/05/a-supercap-ups/)
CB Radio + Arduino = 6 Meter Ham Band
https://hackaday.com/2019/08/05/cb-radio-arduino-6-meter-ham-band/
Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on the 6 meter band, instead.
We were a little surprised …read more (https://hackaday.com/2019/08/05/cb-radio-arduino-6-meter-ham-band/)
https://hackaday.com/2019/08/05/cb-radio-arduino-6-meter-ham-band/
Somehow [hvde] wound up with a CB radio that does AM and SSB on the 11 meter band. The problem was that the radio isn’t legal where he lives. So he decided to change the radio over to work on the 6 meter band, instead.
We were a little surprised …read more (https://hackaday.com/2019/08/05/cb-radio-arduino-6-meter-ham-band/)
Clicky Signspinner Works Just Like A Retractable Pen
https://hackaday.com/2019/08/05/clicky-signspinner-works-just-like-a-retractable-pen/
[u407]’s 3D printed Signspinner was created as a clean/dirty indicator for a dishwasher, and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen. Every click of the plunger spins the circular label inside by one-quarter of a rotation. In [u407]’s case it …read more (https://hackaday.com/2019/08/05/clicky-signspinner-works-just-like-a-retractable-pen/)
https://hackaday.com/2019/08/05/clicky-signspinner-works-just-like-a-retractable-pen/
[u407]’s 3D printed Signspinner was created as a clean/dirty indicator for a dishwasher, and at its heart is a mechanism that works a lot like that of a retractable ballpoint pen. Every click of the plunger spins the circular label inside by one-quarter of a rotation. In [u407]’s case it …read more (https://hackaday.com/2019/08/05/clicky-signspinner-works-just-like-a-retractable-pen/)
Hold 3500 Volts Up To Your Eye
https://hackaday.com/2019/08/06/hold-3500-volts-up-to-your-eye/
Old military equipment can sometimes be found in places like flea markets and eBay for pennies, often because people don’t always know what they have. While [tsbrownie] knew exactly what he was getting when he ordered this mystery device, we’re not sure we could say the same thing if we …read more (https://hackaday.com/2019/08/06/hold-3500-volts-up-to-your-eye/)
https://hackaday.com/2019/08/06/hold-3500-volts-up-to-your-eye/
Old military equipment can sometimes be found in places like flea markets and eBay for pennies, often because people don’t always know what they have. While [tsbrownie] knew exactly what he was getting when he ordered this mystery device, we’re not sure we could say the same thing if we …read more (https://hackaday.com/2019/08/06/hold-3500-volts-up-to-your-eye/)
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/)