Interactive LED Dome Glows With The Best Of Them
https://hackaday.com/2019/10/02/interactive-led-dome-glows-with-the-best-of-them/
With the price and availability of components these days, it’s easier than ever to throw a whole pile of LEDs at a build and get them flashing away. The hard part is doing it well. [Amy Goodchild] is an artist, and has a knack for producing rather beautiful LED projects. …read more (https://hackaday.com/2019/10/02/interactive-led-dome-glows-with-the-best-of-them/)
https://hackaday.com/2019/10/02/interactive-led-dome-glows-with-the-best-of-them/
With the price and availability of components these days, it’s easier than ever to throw a whole pile of LEDs at a build and get them flashing away. The hard part is doing it well. [Amy Goodchild] is an artist, and has a knack for producing rather beautiful LED projects. …read more (https://hackaday.com/2019/10/02/interactive-led-dome-glows-with-the-best-of-them/)
When Does Moving To Resin 3D Printing Make Sense?
https://hackaday.com/2019/10/02/when-does-moving-to-resin-3d-printing-make-sense/
Resin-based 3D printers using stereolithography (SLA) and especially digital light processing (DLP) are getting more common and much more affordable. Prosumer-level options like Formlabs and the Prusa SL1 exist, but more economical printers like the Elegoo Mars, Anycubic Photon, and more can be had for a few hundred bucks. Many …read more (https://hackaday.com/2019/10/02/when-does-moving-to-resin-3d-printing-make-sense/)
https://hackaday.com/2019/10/02/when-does-moving-to-resin-3d-printing-make-sense/
Resin-based 3D printers using stereolithography (SLA) and especially digital light processing (DLP) are getting more common and much more affordable. Prosumer-level options like Formlabs and the Prusa SL1 exist, but more economical printers like the Elegoo Mars, Anycubic Photon, and more can be had for a few hundred bucks. Many …read more (https://hackaday.com/2019/10/02/when-does-moving-to-resin-3d-printing-make-sense/)
Think IN18s Are Cool? Get a Load of This Must-Have Custom Nixie Tube
https://hackaday.com/2019/10/02/think-in18s-are-cool-get-a-load-of-this-must-have-custom-nixie-tube/
Us: “I’ll take Retro style displays we absolutely have to have for $200, Alex.”
Trebek: “This nixie tube is unlike any conventional tube you’ve seen before, handbuilt and NOT numbers or letters.”
Us: “What is FriendlyWire’s new logo tube?”
Trebek: “Heck yeah.”
Nixie tubes are the vacuum technology that manages …read more (https://hackaday.com/2019/10/02/think-in18s-are-cool-get-a-load-of-this-must-have-custom-nixie-tube/)
https://hackaday.com/2019/10/02/think-in18s-are-cool-get-a-load-of-this-must-have-custom-nixie-tube/
Us: “I’ll take Retro style displays we absolutely have to have for $200, Alex.”
Trebek: “This nixie tube is unlike any conventional tube you’ve seen before, handbuilt and NOT numbers or letters.”
Us: “What is FriendlyWire’s new logo tube?”
Trebek: “Heck yeah.”
Nixie tubes are the vacuum technology that manages …read more (https://hackaday.com/2019/10/02/think-in18s-are-cool-get-a-load-of-this-must-have-custom-nixie-tube/)
Get Hands-On at Supercon: Workshop Tickets Now Available
https://hackaday.com/2019/10/02/get-hands-on-at-supercon-workshop-tickets-now-available-2/
Build something cool and pick up new skills from the workshops at the Hackaday Superconference. But decide right now, workshops will sell out and tickets to the conference itself are nearly gone.
You must have a Superconference ticket in order to purchase a workshop ticket; buy one right now if …read more (https://hackaday.com/2019/10/02/get-hands-on-at-supercon-workshop-tickets-now-available-2/)
https://hackaday.com/2019/10/02/get-hands-on-at-supercon-workshop-tickets-now-available-2/
Build something cool and pick up new skills from the workshops at the Hackaday Superconference. But decide right now, workshops will sell out and tickets to the conference itself are nearly gone.
You must have a Superconference ticket in order to purchase a workshop ticket; buy one right now if …read more (https://hackaday.com/2019/10/02/get-hands-on-at-supercon-workshop-tickets-now-available-2/)
Review: The RC2014 Micro Single-Board Z80 Retrocomputer
https://hackaday.com/2019/10/02/review-the-rc2014-micro-single-board-z80-retrocomputer/
At the end of August I made the trip to Hebden Bridge to give a talk at OSHCamp 2019, a weekend of interesting stuff in the Yorkshire Dales. Instead of a badge, this event gives each attendee an electronic kit provided by a sponsor, and this year’s one was particularly …read more (https://hackaday.com/2019/10/02/review-the-rc2014-micro-single-board-z80-retrocomputer/)
https://hackaday.com/2019/10/02/review-the-rc2014-micro-single-board-z80-retrocomputer/
At the end of August I made the trip to Hebden Bridge to give a talk at OSHCamp 2019, a weekend of interesting stuff in the Yorkshire Dales. Instead of a badge, this event gives each attendee an electronic kit provided by a sponsor, and this year’s one was particularly …read more (https://hackaday.com/2019/10/02/review-the-rc2014-micro-single-board-z80-retrocomputer/)
X-Printer Fits In A Backpack
https://hackaday.com/2019/10/02/x-printer-fits-in-a-backpack/
3D printers are great for rapid prototyping, but they’re not usually what you’d call… portable. For [Malte Schrader], that simply wouldn’t do – thus, the X-printer was born!
The X-printer is a fused-deposition printer built around a CoreXY design. Its party piece is its folding concertina-style Z-axis, which allows the …read more (https://hackaday.com/2019/10/02/x-printer-fits-in-a-backpack/)
https://hackaday.com/2019/10/02/x-printer-fits-in-a-backpack/
3D printers are great for rapid prototyping, but they’re not usually what you’d call… portable. For [Malte Schrader], that simply wouldn’t do – thus, the X-printer was born!
The X-printer is a fused-deposition printer built around a CoreXY design. Its party piece is its folding concertina-style Z-axis, which allows the …read more (https://hackaday.com/2019/10/02/x-printer-fits-in-a-backpack/)
The Righteous Quest To Crack A Canon i9900
https://hackaday.com/2019/10/02/the-righteous-quest-to-crack-a-canon-i9900/
[Starhawk] is a man with a problem. More accurately, he’s a man whose mother has a problem, but ultimately that ends up being the same thing. Her wide-format Canon printer recently stopped working after better than a decade of reliable service, and he wants to know why. Rather than spend …read more (https://hackaday.com/2019/10/02/the-righteous-quest-to-crack-a-canon-i9900/)
https://hackaday.com/2019/10/02/the-righteous-quest-to-crack-a-canon-i9900/
[Starhawk] is a man with a problem. More accurately, he’s a man whose mother has a problem, but ultimately that ends up being the same thing. Her wide-format Canon printer recently stopped working after better than a decade of reliable service, and he wants to know why. Rather than spend …read more (https://hackaday.com/2019/10/02/the-righteous-quest-to-crack-a-canon-i9900/)
Super Nice LED Lamp Is Super Simple
https://hackaday.com/2019/10/02/super-nice-led-lamp-is-super-simple/
If you’re looking for a fancy LED lamp, the Internet can provide in spades. There are all manner of flashy-this and glowing-that, often with wild and impressive designs made with high-end tools. However, when it came time to decorate the apartment, [thebigpotatoe] wanted to build something simple that anyone could …read more (https://hackaday.com/2019/10/02/super-nice-led-lamp-is-super-simple/)
https://hackaday.com/2019/10/02/super-nice-led-lamp-is-super-simple/
If you’re looking for a fancy LED lamp, the Internet can provide in spades. There are all manner of flashy-this and glowing-that, often with wild and impressive designs made with high-end tools. However, when it came time to decorate the apartment, [thebigpotatoe] wanted to build something simple that anyone could …read more (https://hackaday.com/2019/10/02/super-nice-led-lamp-is-super-simple/)
Bent Electric Field Explains Antenna Radiation
https://hackaday.com/2019/10/02/bent-electric-field-explains-antenna-radiation/
We all use antennas for radios, cell phones, and WiFi. Understanding how they work, though, can take a lifetime of study. If you are rusty on the basic physics of why an antenna radiates, have a look at the very nice animations from [Learn Engineering] below.
The video starts with …read more (https://hackaday.com/2019/10/02/bent-electric-field-explains-antenna-radiation/)
https://hackaday.com/2019/10/02/bent-electric-field-explains-antenna-radiation/
We all use antennas for radios, cell phones, and WiFi. Understanding how they work, though, can take a lifetime of study. If you are rusty on the basic physics of why an antenna radiates, have a look at the very nice animations from [Learn Engineering] below.
The video starts with …read more (https://hackaday.com/2019/10/02/bent-electric-field-explains-antenna-radiation/)
Weather Alert Lamp Keeps An Eye On What’s Brewing
https://hackaday.com/2019/10/02/weather-alert-lamp-keeps-an-eye-on-whats-brewing/
Whether you’re getting ready for work in the morning, or heading out on a camping trip in the woods, it’s nice to know what to expect when the weather rolls over the horizon. To keep abreast of things, [natethecoder] built a lamp system to stay across weather alerts.
A Raspberry …read more (https://hackaday.com/2019/10/02/weather-alert-lamp-keeps-an-eye-on-whats-brewing/)
https://hackaday.com/2019/10/02/weather-alert-lamp-keeps-an-eye-on-whats-brewing/
Whether you’re getting ready for work in the morning, or heading out on a camping trip in the woods, it’s nice to know what to expect when the weather rolls over the horizon. To keep abreast of things, [natethecoder] built a lamp system to stay across weather alerts.
A Raspberry …read more (https://hackaday.com/2019/10/02/weather-alert-lamp-keeps-an-eye-on-whats-brewing/)
Pistol Safe’s Poor Design Means Biometric Sensor Bypassed in Seconds
https://hackaday.com/2019/10/03/pistol-safes-poor-design-means-biometric-sensor-bypassed-in-seconds/
When it comes to safes, mechanical design and physical layout are just as important as the electronic bits. If care isn’t taken, one element can undermine the other. That appears to be the case with this Amazon Basics branded biometric pistol safe. Because of the mechanical design, the fingerprint sensor …read more (https://hackaday.com/2019/10/03/pistol-safes-poor-design-means-biometric-sensor-bypassed-in-seconds/)
https://hackaday.com/2019/10/03/pistol-safes-poor-design-means-biometric-sensor-bypassed-in-seconds/
When it comes to safes, mechanical design and physical layout are just as important as the electronic bits. If care isn’t taken, one element can undermine the other. That appears to be the case with this Amazon Basics branded biometric pistol safe. Because of the mechanical design, the fingerprint sensor …read more (https://hackaday.com/2019/10/03/pistol-safes-poor-design-means-biometric-sensor-bypassed-in-seconds/)
PrintEye Gives You Stats in a Blink
https://hackaday.com/2019/10/03/printeye-gives-you-stats-in-a-blink/
Once upon a time, most things were single-purpose, like the pocket watch. Then somebody made a watch with a date function, and next thing you know, we had TV/VCR combos and Swiss army knives. Now, people pull computers out of their pockets just to check the time or the bed …read more (https://hackaday.com/2019/10/03/printeye-gives-you-stats-in-a-blink/)
https://hackaday.com/2019/10/03/printeye-gives-you-stats-in-a-blink/
Once upon a time, most things were single-purpose, like the pocket watch. Then somebody made a watch with a date function, and next thing you know, we had TV/VCR combos and Swiss army knives. Now, people pull computers out of their pockets just to check the time or the bed …read more (https://hackaday.com/2019/10/03/printeye-gives-you-stats-in-a-blink/)
Floating Power Plants; The Coastal City Solution Sure to Be Increasingly Popular
https://hackaday.com/2019/10/03/floating-power-plants-the-coastal-city-solution-sure-to-be-increasingly-popular/
Building new things in an existing city is hard. Usually, new development means tearing down existing structures. Doing so for apartment complexes or new skyscrapers is one thing, but infrastructure is much more complicated, both from an engineering perspective and an economical one. Not only do people not want to …read more (https://hackaday.com/2019/10/03/floating-power-plants-the-coastal-city-solution-sure-to-be-increasingly-popular/)
https://hackaday.com/2019/10/03/floating-power-plants-the-coastal-city-solution-sure-to-be-increasingly-popular/
Building new things in an existing city is hard. Usually, new development means tearing down existing structures. Doing so for apartment complexes or new skyscrapers is one thing, but infrastructure is much more complicated, both from an engineering perspective and an economical one. Not only do people not want to …read more (https://hackaday.com/2019/10/03/floating-power-plants-the-coastal-city-solution-sure-to-be-increasingly-popular/)
Solve Your Precision Woes With a Sliding Angle Grinder
https://hackaday.com/2019/10/03/solve-your-precision-woes-with-a-sliding-angle-grinder/
Angle grinders are among the most useful tools for anyone who’s ever had to cut metal. They’re ergonomic, compact, and get the job done. Unfortunately, one of the tradeoffs you usually make when using them is precision.
But thankfully, there’s a DIY solution. YouTuber [workshop from scratch] demonstrated the build …read more (https://hackaday.com/2019/10/03/solve-your-precision-woes-with-a-sliding-angle-grinder/)
https://hackaday.com/2019/10/03/solve-your-precision-woes-with-a-sliding-angle-grinder/
Angle grinders are among the most useful tools for anyone who’s ever had to cut metal. They’re ergonomic, compact, and get the job done. Unfortunately, one of the tradeoffs you usually make when using them is precision.
But thankfully, there’s a DIY solution. YouTuber [workshop from scratch] demonstrated the build …read more (https://hackaday.com/2019/10/03/solve-your-precision-woes-with-a-sliding-angle-grinder/)
DSP Spreadsheet: FIR Filtering
https://hackaday.com/2019/10/03/dsp-spreadsheet-fir-filtering/
There’s an old saying: Tell me and I forget, teach me and I may remember, involve me and I learn. I’m guilty of this in a big way — I was never much on classroom learning. But if I build something or write some code, I’m more likely to understand …read more (https://hackaday.com/2019/10/03/dsp-spreadsheet-fir-filtering/)
https://hackaday.com/2019/10/03/dsp-spreadsheet-fir-filtering/
There’s an old saying: Tell me and I forget, teach me and I may remember, involve me and I learn. I’m guilty of this in a big way — I was never much on classroom learning. But if I build something or write some code, I’m more likely to understand …read more (https://hackaday.com/2019/10/03/dsp-spreadsheet-fir-filtering/)
No Need to Watch Your Tea, This Robot Does It For You
https://hackaday.com/2019/10/03/no-need-to-watch-your-tea-this-robot-does-it-for-you/
For anyone who’s ever had to make their own tea, steeping it for the right amount of time can be a pain. That’s precisely the problem that the automatic tea brewing robot solves with its painless approach to brewing tea, built by Slovenian electrical engineering student [Kristjan Berce].
You can …read more (https://hackaday.com/2019/10/03/no-need-to-watch-your-tea-this-robot-does-it-for-you/)
https://hackaday.com/2019/10/03/no-need-to-watch-your-tea-this-robot-does-it-for-you/
For anyone who’s ever had to make their own tea, steeping it for the right amount of time can be a pain. That’s precisely the problem that the automatic tea brewing robot solves with its painless approach to brewing tea, built by Slovenian electrical engineering student [Kristjan Berce].
You can …read more (https://hackaday.com/2019/10/03/no-need-to-watch-your-tea-this-robot-does-it-for-you/)
Saying Farewell To Another B-17 And Its Crew
https://hackaday.com/2019/10/03/saying-farewell-to-another-b-17-and-its-crew/
The harsh reality of keeping historical airplanes airworthy and flying is that from time to time one will crash. Thus it was that on October 2nd a Boeing B-17 Flying Fortress crash-landed after technical troubles. Incidentally, this is the very same airplane which we covered only a number of days …read more (https://hackaday.com/2019/10/03/saying-farewell-to-another-b-17-and-its-crew/)
https://hackaday.com/2019/10/03/saying-farewell-to-another-b-17-and-its-crew/
The harsh reality of keeping historical airplanes airworthy and flying is that from time to time one will crash. Thus it was that on October 2nd a Boeing B-17 Flying Fortress crash-landed after technical troubles. Incidentally, this is the very same airplane which we covered only a number of days …read more (https://hackaday.com/2019/10/03/saying-farewell-to-another-b-17-and-its-crew/)
Amazing Open Source Quadruped Capable Of Dynamic Motion
https://hackaday.com/2019/10/03/amazing-open-source-quadruped-capable-of-dynamic-motion/
The more we read about [Josh Pieper]’s quadruped, the mjbots quad A0, the more blown away we are by his year of progress on the design. Each part of the robot deserves its own article: from the heavily modified brushless motors (with custom planetary gears) to the custom motor driver …read more (https://hackaday.com/2019/10/03/amazing-open-source-quadruped-capable-of-dynamic-motion/)
https://hackaday.com/2019/10/03/amazing-open-source-quadruped-capable-of-dynamic-motion/
The more we read about [Josh Pieper]’s quadruped, the mjbots quad A0, the more blown away we are by his year of progress on the design. Each part of the robot deserves its own article: from the heavily modified brushless motors (with custom planetary gears) to the custom motor driver …read more (https://hackaday.com/2019/10/03/amazing-open-source-quadruped-capable-of-dynamic-motion/)
When Engineering, Fine Art, And ASMR Collide
https://hackaday.com/2019/10/03/when-engineering-fine-art-and-asmr-collide/
The success that [Julian Baumgartner] has found on YouTube is a perfect example of all that’s weird and wonderful about the platform. His videos, which show in utterly engrossing detail the painstaking work that goes into restoring and conserving pieces of fine art, have been boosted in popularity by YouTube’s …read more (https://hackaday.com/2019/10/03/when-engineering-fine-art-and-asmr-collide/)
https://hackaday.com/2019/10/03/when-engineering-fine-art-and-asmr-collide/
The success that [Julian Baumgartner] has found on YouTube is a perfect example of all that’s weird and wonderful about the platform. His videos, which show in utterly engrossing detail the painstaking work that goes into restoring and conserving pieces of fine art, have been boosted in popularity by YouTube’s …read more (https://hackaday.com/2019/10/03/when-engineering-fine-art-and-asmr-collide/)
This Lightning Detector Is Remarkably Sensitive
https://hackaday.com/2019/10/03/this-lightning-detector-is-remarkably-sensitive/
Lightning strikes are quite high energy events, and release plenty of radio frequency energy when they go off in the atmosphere. This makes them easy to detect, and the magnitude of the energy release means it can be done at impressive range. [Jay] decided to build a device of his …read more (https://hackaday.com/2019/10/03/this-lightning-detector-is-remarkably-sensitive/)
https://hackaday.com/2019/10/03/this-lightning-detector-is-remarkably-sensitive/
Lightning strikes are quite high energy events, and release plenty of radio frequency energy when they go off in the atmosphere. This makes them easy to detect, and the magnitude of the energy release means it can be done at impressive range. [Jay] decided to build a device of his …read more (https://hackaday.com/2019/10/03/this-lightning-detector-is-remarkably-sensitive/)