Print From the ESP8266, Courtesy of Google
https://hackaday.com/2019/11/21/print-from-the-esp8266-courtesy-of-google/
The ESP8266 has become the hacker’s microcontroller of choice because it’s exceptionally easy to get the chip connected to the network and talking to other devices. The fact that it’s also absurdly cheap is just a bonus. Since nearly every piece of electronics you buy today is “smart” enough to …read more (https://hackaday.com/2019/11/21/print-from-the-esp8266-courtesy-of-google/)
https://hackaday.com/2019/11/21/print-from-the-esp8266-courtesy-of-google/
The ESP8266 has become the hacker’s microcontroller of choice because it’s exceptionally easy to get the chip connected to the network and talking to other devices. The fact that it’s also absurdly cheap is just a bonus. Since nearly every piece of electronics you buy today is “smart” enough to …read more (https://hackaday.com/2019/11/21/print-from-the-esp8266-courtesy-of-google/)
Jackpot!: The Trials And Tribulations Of Turning A Slot Machine Into An ATM
https://hackaday.com/2019/11/21/jackpot-the-trials-and-tribulations-of-turning-a-slot-machine-into-an-atm/
Have you ever wished that slot machines dispensed money as easily as an ATM? Well so did [Scotty Allen] from Strange Parts, so in collaboration with his friend [Matt] decided to combine the two. After a four-month journey fraught with magic smoke and frustration, they managed to build a fully …read more (https://hackaday.com/2019/11/21/jackpot-the-trials-and-tribulations-of-turning-a-slot-machine-into-an-atm/)
https://hackaday.com/2019/11/21/jackpot-the-trials-and-tribulations-of-turning-a-slot-machine-into-an-atm/
Have you ever wished that slot machines dispensed money as easily as an ATM? Well so did [Scotty Allen] from Strange Parts, so in collaboration with his friend [Matt] decided to combine the two. After a four-month journey fraught with magic smoke and frustration, they managed to build a fully …read more (https://hackaday.com/2019/11/21/jackpot-the-trials-and-tribulations-of-turning-a-slot-machine-into-an-atm/)
Training Bats in the Random Forest with the Confusion Matrix
https://hackaday.com/2019/11/21/training-bats-in-the-random-forest-with-the-confusion-matrix/
When exploring the realm of Machine Learning, it’s always nice to have some real and interesting data to work with. That’s where the bats come in – they’re fascinating animals that emit very particular ultrasonic calls that can be recorded and analysed with computer software to get a fairly good …read more (https://hackaday.com/2019/11/21/training-bats-in-the-random-forest-with-the-confusion-matrix/)
https://hackaday.com/2019/11/21/training-bats-in-the-random-forest-with-the-confusion-matrix/
When exploring the realm of Machine Learning, it’s always nice to have some real and interesting data to work with. That’s where the bats come in – they’re fascinating animals that emit very particular ultrasonic calls that can be recorded and analysed with computer software to get a fairly good …read more (https://hackaday.com/2019/11/21/training-bats-in-the-random-forest-with-the-confusion-matrix/)
Gaze Deeply Into These Infinity Mirror Coasters
https://hackaday.com/2019/11/21/gaze-deeply-into-these-infinity-mirror-coasters/
Infinity mirrors have been gaining in popularity recently, thanks in no small part to the availability of low-cost RGB LED strips to line them with. Generally such pieces are limited to wall art, or the occasional table build, which is what makes these infinity mirror drink coasters from [MnMakerMan] so …read more (https://hackaday.com/2019/11/21/gaze-deeply-into-these-infinity-mirror-coasters/)
https://hackaday.com/2019/11/21/gaze-deeply-into-these-infinity-mirror-coasters/
Infinity mirrors have been gaining in popularity recently, thanks in no small part to the availability of low-cost RGB LED strips to line them with. Generally such pieces are limited to wall art, or the occasional table build, which is what makes these infinity mirror drink coasters from [MnMakerMan] so …read more (https://hackaday.com/2019/11/21/gaze-deeply-into-these-infinity-mirror-coasters/)
Retrotechtacular: 934 MHz CB Radio
https://hackaday.com/2019/11/21/retrotechtacular-934-mhz-cb-radio/
The radio spectrum is carefully regulated and divided up by Governments worldwide. Some of it is shared across jurisdictions under the terms of international treaties, while other allocations exist only in individual countries. Often these can contain some surprising oddities, and one of these is our subject today. Did you …read more (https://hackaday.com/2019/11/21/retrotechtacular-934-mhz-cb-radio/)
https://hackaday.com/2019/11/21/retrotechtacular-934-mhz-cb-radio/
The radio spectrum is carefully regulated and divided up by Governments worldwide. Some of it is shared across jurisdictions under the terms of international treaties, while other allocations exist only in individual countries. Often these can contain some surprising oddities, and one of these is our subject today. Did you …read more (https://hackaday.com/2019/11/21/retrotechtacular-934-mhz-cb-radio/)
Little Flash Charges In 40 Seconds Thanks to Super Capacitors
https://hackaday.com/2019/11/21/little-flash-charges-in-40-seconds-thanks-to-super-capacitors/
We’ve all committed the sin of making a little arduino robot and running it off AA batteries. Little Flash is better than that and runs off three 350 F capacitors.
In fact, that’s the entire mission of the robot. [Mike Rigsby] wants people to know there’s a better way. What’s …read more (https://hackaday.com/2019/11/21/little-flash-charges-in-40-seconds-thanks-to-super-capacitors/)
https://hackaday.com/2019/11/21/little-flash-charges-in-40-seconds-thanks-to-super-capacitors/
We’ve all committed the sin of making a little arduino robot and running it off AA batteries. Little Flash is better than that and runs off three 350 F capacitors.
In fact, that’s the entire mission of the robot. [Mike Rigsby] wants people to know there’s a better way. What’s …read more (https://hackaday.com/2019/11/21/little-flash-charges-in-40-seconds-thanks-to-super-capacitors/)
Casting Gears At Home
https://hackaday.com/2019/11/21/casting-gears-at-home/
Automatic doors and gates are great, except when they fail, which seems to be about every three days in our experience. [MAD WHEEL] had just such a failure, with a plastic gear being the culprit. Rather than buy a new drive unit, they set about casting a replacement in metal. …read more (https://hackaday.com/2019/11/21/casting-gears-at-home/)
https://hackaday.com/2019/11/21/casting-gears-at-home/
Automatic doors and gates are great, except when they fail, which seems to be about every three days in our experience. [MAD WHEEL] had just such a failure, with a plastic gear being the culprit. Rather than buy a new drive unit, they set about casting a replacement in metal. …read more (https://hackaday.com/2019/11/21/casting-gears-at-home/)
Building a Front Panel For The RC2014 Computer
https://hackaday.com/2019/11/21/building-a-front-panel-for-the-rc2014-computer/
The RC2014 is a slick Z80 computer kit that’s graced these pages a number of times in the past. It allows anyone with a soldering iron and a USB-to-serial adapter to experience the thrill of early 1980s desktop computing. But what if you’re looking for an even more vintage experience? …read more (https://hackaday.com/2019/11/21/building-a-front-panel-for-the-rc2014-computer/)
https://hackaday.com/2019/11/21/building-a-front-panel-for-the-rc2014-computer/
The RC2014 is a slick Z80 computer kit that’s graced these pages a number of times in the past. It allows anyone with a soldering iron and a USB-to-serial adapter to experience the thrill of early 1980s desktop computing. But what if you’re looking for an even more vintage experience? …read more (https://hackaday.com/2019/11/21/building-a-front-panel-for-the-rc2014-computer/)
Creating Lookalike Valves With Resin Casting
https://hackaday.com/2019/11/21/creating-lookalike-valves-with-resin-casting/
Valves (tubes) certainly have a die hard fan base in the electronic community, praised for their warm sound, desirable distortion characteristics and attractive aesthetic. However, sometimes you just want the look of a valve for a prop or a toy, without actually needing the functionality. For those cases, this project …read more (https://hackaday.com/2019/11/21/creating-lookalike-valves-with-resin-casting/)
https://hackaday.com/2019/11/21/creating-lookalike-valves-with-resin-casting/
Valves (tubes) certainly have a die hard fan base in the electronic community, praised for their warm sound, desirable distortion characteristics and attractive aesthetic. However, sometimes you just want the look of a valve for a prop or a toy, without actually needing the functionality. For those cases, this project …read more (https://hackaday.com/2019/11/21/creating-lookalike-valves-with-resin-casting/)
CircuitPython Sculpture Clock Adds Character to Any Desk
https://hackaday.com/2019/11/21/circuitpython-sculpture-clock-adds-character-to-any-desk/
We can probably all relate to the origin story of this one. [Alex] was working on a bigger, more involved clock project when this cute little desk clock idea caught his mind’s eye. Who wouldn’t want a clock with character and a little bit of an attitude?
This little guy’s …read more (https://hackaday.com/2019/11/21/circuitpython-sculpture-clock-adds-character-to-any-desk/)
https://hackaday.com/2019/11/21/circuitpython-sculpture-clock-adds-character-to-any-desk/
We can probably all relate to the origin story of this one. [Alex] was working on a bigger, more involved clock project when this cute little desk clock idea caught his mind’s eye. Who wouldn’t want a clock with character and a little bit of an attitude?
This little guy’s …read more (https://hackaday.com/2019/11/21/circuitpython-sculpture-clock-adds-character-to-any-desk/)
A Tiny Terminal For Your Serial Access Needs
https://hackaday.com/2019/11/22/a-tiny-terminal-for-your-serial-access-needs/
Some pieces of computing equipment have faded away without a trace, for example a modem is not a device that detains many hackers as they strive for that perfect emulation of a venerable Hayes on an Arduino. But there are some other devices that continue to hold a fascination, even …read more (https://hackaday.com/2019/11/22/a-tiny-terminal-for-your-serial-access-needs/)
https://hackaday.com/2019/11/22/a-tiny-terminal-for-your-serial-access-needs/
Some pieces of computing equipment have faded away without a trace, for example a modem is not a device that detains many hackers as they strive for that perfect emulation of a venerable Hayes on an Arduino. But there are some other devices that continue to hold a fascination, even …read more (https://hackaday.com/2019/11/22/a-tiny-terminal-for-your-serial-access-needs/)
Electric Longboard Quick Build Using Off-The-Shelf components.
https://hackaday.com/2019/11/22/electric-longboard-quick-build-using-off-the-shelf-components/
Building cool things completely from scratch is undeniably satisfying and makes for excellent Hackaday posts, but usually involve a few unexpected speed humps, which often causes projects to be abandoned. If you just want to get something working, using off-the-shelf modules can drastically reduce frustration and increase the odds of …read more (https://hackaday.com/2019/11/22/electric-longboard-quick-build-using-off-the-shelf-components/)
https://hackaday.com/2019/11/22/electric-longboard-quick-build-using-off-the-shelf-components/
Building cool things completely from scratch is undeniably satisfying and makes for excellent Hackaday posts, but usually involve a few unexpected speed humps, which often causes projects to be abandoned. If you just want to get something working, using off-the-shelf modules can drastically reduce frustration and increase the odds of …read more (https://hackaday.com/2019/11/22/electric-longboard-quick-build-using-off-the-shelf-components/)
This Week in Security: More WhatsApp, Nextcry, Hover to Crash, and Android Permissions Bypass
https://hackaday.com/2019/11/22/this-week-in-security-more-whatsapp-nextcry-hover-to-crash-and-android-permissions-bypass/
There is another WhatsApp flaw, but instead of malicious GIFs, this time it’s malicious mp4 files. Facebook announced the vulnerability late last week. An update has been released, so first go make sure WhatsApp is updated. Facebook’s advisory is a bit light on the details, simply saying that a “stack-based …read more (https://hackaday.com/2019/11/22/this-week-in-security-more-whatsapp-nextcry-hover-to-crash-and-android-permissions-bypass/)
https://hackaday.com/2019/11/22/this-week-in-security-more-whatsapp-nextcry-hover-to-crash-and-android-permissions-bypass/
There is another WhatsApp flaw, but instead of malicious GIFs, this time it’s malicious mp4 files. Facebook announced the vulnerability late last week. An update has been released, so first go make sure WhatsApp is updated. Facebook’s advisory is a bit light on the details, simply saying that a “stack-based …read more (https://hackaday.com/2019/11/22/this-week-in-security-more-whatsapp-nextcry-hover-to-crash-and-android-permissions-bypass/)
Cardboard Computer Replica Is Cheap And Easy To Make
https://hackaday.com/2019/11/22/cardboard-computer-replica-is-cheap-and-easy-to-make/
Replicating 1960s-era computer hardware can be a daunting task. Components can be hard to find, schematics thin on the ground, and software near-unobtainable. Of course, not every computer from the decade consisted of expensive high-end electronics – CARDIAC was built out of common cardboard, and making your own is a …read more (https://hackaday.com/2019/11/22/cardboard-computer-replica-is-cheap-and-easy-to-make/)
https://hackaday.com/2019/11/22/cardboard-computer-replica-is-cheap-and-easy-to-make/
Replicating 1960s-era computer hardware can be a daunting task. Components can be hard to find, schematics thin on the ground, and software near-unobtainable. Of course, not every computer from the decade consisted of expensive high-end electronics – CARDIAC was built out of common cardboard, and making your own is a …read more (https://hackaday.com/2019/11/22/cardboard-computer-replica-is-cheap-and-easy-to-make/)
Hackaday Podcast Ep 044: Superconference Special
https://hackaday.com/2019/11/22/hackaday-podcast-ep-044-superconference-special/
Half of the Hackaday writing staff was at the Superconference this weekend, and our own Kerry Scharfglass took the opportunity to interview everyone. Meanwhile, Elliot wandered around the soldering irons just about two hours before the Badge Hacking Ceremony, collecting stories of projects that worked, and those that didn’t.
Put …read more (https://hackaday.com/2019/11/22/hackaday-podcast-ep-044-superconference-special/)
https://hackaday.com/2019/11/22/hackaday-podcast-ep-044-superconference-special/
Half of the Hackaday writing staff was at the Superconference this weekend, and our own Kerry Scharfglass took the opportunity to interview everyone. Meanwhile, Elliot wandered around the soldering irons just about two hours before the Badge Hacking Ceremony, collecting stories of projects that worked, and those that didn’t.
Put …read more (https://hackaday.com/2019/11/22/hackaday-podcast-ep-044-superconference-special/)
East Coast RepRap Festival Comes Alive In Second Year
https://hackaday.com/2019/11/22/east-coast-reprap-festival-comes-alive-in-second-year/
By pretty much any metric you care to use, the inaugural East Coast RepRap Festival (ERRF) in 2018 was an incredible success. There was plenty to see, the venue was accommodating, and the ticket prices were exceptionally reasonable. But being a first-time event, there was an understandable amount of trepidation …read more (https://hackaday.com/2019/11/22/east-coast-reprap-festival-comes-alive-in-second-year/)
https://hackaday.com/2019/11/22/east-coast-reprap-festival-comes-alive-in-second-year/
By pretty much any metric you care to use, the inaugural East Coast RepRap Festival (ERRF) in 2018 was an incredible success. There was plenty to see, the venue was accommodating, and the ticket prices were exceptionally reasonable. But being a first-time event, there was an understandable amount of trepidation …read more (https://hackaday.com/2019/11/22/east-coast-reprap-festival-comes-alive-in-second-year/)
Thea Flowers – Creating a Sega-Inspired Hardware Synthesizer from the Ground Up
https://hackaday.com/2019/11/22/thea-flowers-creating-a-sega-inspired-hardware-synthesizer-from-the-ground-up/
For those who grew up with video games, the legendary sounds of consoles past are an instant nostalgia hit. [Thea Flowers] first got her hands on a gamepad playing Sonic the Hedgehog, so the sounds of the Sega Genesis hold a special place in her heart. Decades later, this inspired …read more (https://hackaday.com/2019/11/22/thea-flowers-creating-a-sega-inspired-hardware-synthesizer-from-the-ground-up/)
https://hackaday.com/2019/11/22/thea-flowers-creating-a-sega-inspired-hardware-synthesizer-from-the-ground-up/
For those who grew up with video games, the legendary sounds of consoles past are an instant nostalgia hit. [Thea Flowers] first got her hands on a gamepad playing Sonic the Hedgehog, so the sounds of the Sega Genesis hold a special place in her heart. Decades later, this inspired …read more (https://hackaday.com/2019/11/22/thea-flowers-creating-a-sega-inspired-hardware-synthesizer-from-the-ground-up/)
Feel The Virtual Road With Force Feedback
https://hackaday.com/2019/11/22/feel-the-virtual-road-with-force-feedback/
When you’re driving your virtual supercar around the Italian countryside the last thing you want is an inauthentic steering wheel feel, that’s where Open FFBoard comes in. Racing game enthusiasts will go to impossible and sometimes incredibly expensive lengths to build extravagant simulators. [Yannick] feels many of these products are …read more (https://hackaday.com/2019/11/22/feel-the-virtual-road-with-force-feedback/)
https://hackaday.com/2019/11/22/feel-the-virtual-road-with-force-feedback/
When you’re driving your virtual supercar around the Italian countryside the last thing you want is an inauthentic steering wheel feel, that’s where Open FFBoard comes in. Racing game enthusiasts will go to impossible and sometimes incredibly expensive lengths to build extravagant simulators. [Yannick] feels many of these products are …read more (https://hackaday.com/2019/11/22/feel-the-virtual-road-with-force-feedback/)
Icosahedron Glows With The Best Of Them
https://hackaday.com/2019/11/22/icosahedron-glows-with-the-best-of-them/
Glowables come in all shapes and sizes, and we’re always keen to see the multitude of different ways hackers find to put great masses of LEDs to good use. [cabrera.101] wanted to get in on the action, and whipped up a rather flashy icosahedron.
The build uses high-density 144-LED-per-meter strips …read more (https://hackaday.com/2019/11/22/icosahedron-glows-with-the-best-of-them/)
https://hackaday.com/2019/11/22/icosahedron-glows-with-the-best-of-them/
Glowables come in all shapes and sizes, and we’re always keen to see the multitude of different ways hackers find to put great masses of LEDs to good use. [cabrera.101] wanted to get in on the action, and whipped up a rather flashy icosahedron.
The build uses high-density 144-LED-per-meter strips …read more (https://hackaday.com/2019/11/22/icosahedron-glows-with-the-best-of-them/)
Replica Marshmello Helmet Is A Tidy Halloween Build
https://hackaday.com/2019/11/22/replica-marshmello-helmet-is-a-tidy-halloween-build/
As the saying goes – you don’t need a stylized, bedazzled helmet to have a successful career in EDM, but it helps. Marshmello is the latest in a long line of musicians to sport bespoke headgear, and [MikeTheSuperDad] undertook the construction of a replica for Halloween.
The build starts with …read more (https://hackaday.com/2019/11/22/replica-marshmello-helmet-is-a-tidy-halloween-build/)
https://hackaday.com/2019/11/22/replica-marshmello-helmet-is-a-tidy-halloween-build/
As the saying goes – you don’t need a stylized, bedazzled helmet to have a successful career in EDM, but it helps. Marshmello is the latest in a long line of musicians to sport bespoke headgear, and [MikeTheSuperDad] undertook the construction of a replica for Halloween.
The build starts with …read more (https://hackaday.com/2019/11/22/replica-marshmello-helmet-is-a-tidy-halloween-build/)