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https://hackaday.com/2021/07/15/foam-f-35-learns-to-hover/ | Foam F-35 Learns To Hover | Tom Nardi | [
"Toy Hacks"
] | [
"Dollar Tree Foam",
"F-35",
"flight controller",
"foam",
"hover",
"Teensy 4.0",
"vtol"
] | With cheap RC hardware, powerful motors, and high-capacity battery packs, getting something to fly has never been easier. It also helps that, whether you’re into fixed-wing craft or multirotors, there’s plenty of information and prior art floating around online that you can use to jumpstart your own build. But when it ... | 2 | 2 | [
{
"comment_id": "6364539",
"author": "Jan Östman",
"timestamp": "2021-07-15T20:22:39",
"content": "Love it.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6364690",
"author": "Bill",
"timestamp": "2021-07-16T07:40:42",
"content": "That’s impressive... | 1,760,373,018.376609 | ||
https://hackaday.com/2021/07/15/diy-pecs-board-uses-pictures-to-communicate/ | DIY PECS Board Uses Pictures To Communicate | Kristina Panos | [
"Arduino Hacks"
] | [
"arduino",
"arduino pro mini",
"autism",
"communication",
"DF Player",
"mdf",
"non-verbal communication"
] | One way of communicating with autistic and non-verbal people is through the use of a Picture Exchange Communication System or PECS board, which they can use to point out what they need or want throughout the day. However, the commercial versions of these boards have their share of problems — they’re expensive, and they... | 6 | 4 | [
{
"comment_id": "6364509",
"author": "Eric C",
"timestamp": "2021-07-15T19:19:14",
"content": "Reminds me of when I was traveling abroad many moons ago, when cell phones were huge and my wallet was bare. I’m severely hearing impaired so picking up a foreign language was going to be next to impossibl... | 1,760,373,018.415842 | ||
https://hackaday.com/2021/07/16/final-weekend-for-work-from-home-challenge-of-the-hackaday-prize/ | Final Weekend For Work-From-Home Challenge Of The Hackaday Prize | Mike Szczys | [
"The Hackaday Prize"
] | [
"2021 Hackaday Prize"
] | This is the final weekend to
enter your work-from-home project in the 2021 Hackaday Prize
. We know how much fun it is to be creative with home setups that keep let you work without disrupting your non-work life. Show off what you’ve done and you’ll be in the running for some big cash prizes.
Among the lowest hanging f... | 0 | 0 | [] | 1,760,373,018.207115 | ||
https://hackaday.com/2021/07/16/making-custom-curved-mirrors-at-home/ | Making Custom Curved Mirrors At Home | Tom Nardi | [
"Parts"
] | [
"3D printed mold",
"curved mirror",
"mirror",
"polystyrene",
"vacuum forming"
] | Generally speaking, creating custom mirrors is a complex task that involves a lot of careful grinding, and isn’t something to be taken lightly if you need precision results. Just ask the folks who provided NASA with a wonky mirror for the Hubble. But assuming you’re
not
working on an orbital space telescope (or even a ... | 8 | 4 | [
{
"comment_id": "6364949",
"author": "vib",
"timestamp": "2021-07-16T21:39:52",
"content": "This guy has a great blog, very cool projects!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6365088",
"author": "phil barrett",
"timestamp": "2021-07-17T13:48... | 1,760,373,018.254037 | ||
https://hackaday.com/2021/07/16/the-fix-is-in-hubbles-troubles-appear-over-for-now/ | The Fix Is In: Hubble’s Troubles Appear Over For Now | Dan Maloney | [
"Current Events",
"News"
] | [
"glitch",
"HST",
"Hubble",
"Hubble Space Telescope",
"payload computer",
"PCU",
"power supply",
"regulator",
"SI C&DH"
] | Good news this morning from low Earth orbit, where
the Hubble Space Telescope is back online
after a long and worrisome month of inactivity following a glitch with the observatory’s payload computer.
We recently covered
the Hubble payload computer in some depth
; at the time, NASA was still very much in the diagnosis p... | 29 | 10 | [
{
"comment_id": "6364888",
"author": "Greg A",
"timestamp": "2021-07-16T18:27:45",
"content": "i used to find it a little nerve wracking to try to fix the server because if i screwed it up, i had to get on a subway to the colo downtown…2 hours out of my day, at least, just because i hit enter before... | 1,760,373,018.164018 | ||
https://hackaday.com/2021/07/16/just-what-have-we-become/ | Just What Have We Become? | Jenny List | [
"Current Events",
"Featured",
"Rants"
] | [
"audacity",
"bsnes",
"knife attack",
"near",
"suicide",
"suicide prevention"
] | The world of open source software is one that often sees disputes between developers, some of which spawn lifelong schisms between devotees of different forks, and others mere storms in a teacup that are settled over a few beers. There are a couple of stories of late though that seem to show the worst in the online wor... | 69 | 31 | [
{
"comment_id": "6364865",
"author": "Ostracus",
"timestamp": "2021-07-16T17:21:59",
"content": "Kind of comments on the Linux community.https://youtu.be/tshIIEbKa7s",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6365574",
"author": "Elliot Williams"... | 1,760,373,018.515237 | ||
https://hackaday.com/2021/07/16/hackaday-podcast-127-whippletree-clamps-sniffing-your-stomach-radio-multimeter-hum-fix-and-c64-demo-no-c64/ | Hackaday Podcast 127: Whippletree Clamps, Sniffing Your Stomach Radio, Multimeter Hum Fix, And C64 Demo; No C64 | Mike Szczys | [
"Hackaday Columns",
"Podcasts",
"Slider"
] | [
"Hackaday Podcast"
] | Hackaday editors Mike Szczys and Elliot Williams help you get caught up on a week of wonder hacks. We don’t remember seeing a floppy drive headline the demoscene, but sure enough, there’s a C64 demo that performs after the computer is disconnected. What causes bench tools to have unreliable measurements? Sometimes a po... | 0 | 0 | [] | 1,760,373,018.094724 | ||
https://hackaday.com/2021/07/16/inside-a-20-watt-traveling-wave-tube-amplifier-from-apollo/ | Inside A 20-Watt Traveling Wave Tube Amplifier From Apollo | Maya Posch | [
"Science",
"Space",
"Wireless Hacks"
] | [
"traveling wave tube amplifier"
] | When the Apollo astronauts made their way to the Moon, their communication equipment had a transmission power of a mere 20 W, which the sensitive receivers back on Earth managed to pick up. But this isn’t just any amplifier, it’s a Traveling Wave Tube amplifier (TWT), as [Ken Shirriff]
explains in a recent article
.
Th... | 21 | 9 | [
{
"comment_id": "6364885",
"author": "Skypickle",
"timestamp": "2021-07-16T18:11:11",
"content": "Thank you for a nice article. However I am still mystified as to how an em wave is amplified by an electron stream. If I took regular coax and pumped an rf signal into it while running a current through... | 1,760,373,018.057119 | ||
https://hackaday.com/2021/07/16/this-week-is-security-revil-goes-dark-kaseya-cleanup-android-updates-and-terrible-firmware/ | This Week In Security: REvil Goes Dark, Kaseya Cleanup, Android Updates, And Terrible Firmware | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"PrintNightmare",
"ransomware",
"REvil",
"This Week in Security"
] | The funniest thing happened to REvil this week. Their online presence
seems to have disappeared
.
Their Tor sites as well as conventional sites all went down about the same time Tuesday morning, leading to speculation that they may have been hit by a law enforcement operation. This comes on the heels of a renewed push ... | 16 | 3 | [
{
"comment_id": "6364840",
"author": "Ostracus",
"timestamp": "2021-07-16T15:41:17",
"content": "Seems security much like surgery should be left to the professionals.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6364847",
"author": "X",
"ti... | 1,760,373,018.573966 | ||
https://hackaday.com/2021/07/15/recycling-will-be-key-to-the-electric-vehicle-future/ | Recycling Will Be Key To The Electric Vehicle Future | Lewin Day | [
"car hacks",
"Featured",
"green hacks",
"Interest"
] | [
"car hacks",
"cars",
"electric vehicle",
"electric vehicles",
"ev",
"evs",
"rare earth metals",
"rare-earth",
"recycling"
] | Electric vehicles have become a mainstay in the global automotive marketplace, taking on their gasoline rivals and steadily chewing out their own slice of market share, year after year. Government mandates to end the sale of polluting internal combustion engine vehicles and subsidies on cleaner cars promise to conspire... | 114 | 10 | [
{
"comment_id": "6364453",
"author": "Arthur Wolf",
"timestamp": "2021-07-15T17:12:40",
"content": "I have zero trust in the idea that the need for rare earth metals is going to continue in the long run.In a few decades we’ll have something-something-carbon-or-graphene, and nobody will care about ra... | 1,760,373,018.730456 | ||
https://hackaday.com/2021/07/15/new-video-series-learning-antenna-basics-with-karen-rucker/ | New Video Series: Learning Antenna Basics With Karen Rucker | Dan Maloney | [
"Hackaday Columns",
"how-to",
"Radio Hacks"
] | [
"antenna",
"course",
"HackadayU",
"online learning",
"radio",
"RF",
"seminar"
] | We don’t normally embrace the supernatural here at Hackaday, but when the topic turns to the radio frequency world, Arthur C. Clarke’s maxim about sufficiently advanced technology being akin to magic pretty much works for us. In the RF realm, the rules of electricity, at least the basic ones, don’t seem to apply, or if... | 21 | 10 | [
{
"comment_id": "6364449",
"author": "abjq",
"timestamp": "2021-07-15T17:06:36",
"content": "Look like a good watch.What surprises me in the electromagnetic wave diagrams is that the E and B fields seem to be “in phase”.Intuitively it would be the rate of change of E that produces B (so a peak of B ... | 1,760,373,018.790116 | ||
https://hackaday.com/2021/07/15/a-perfect-clock-for-any-hackers-ohm/ | A Perfect Clock For Any Hacker’s Ohm | Adam Zeloof | [
"ATtiny Hacks",
"hardware"
] | [
"attiny",
"clock",
"neopixel",
"resistor",
"rgb",
"time"
] | The vast majority of us are satisfied with a standard, base ten display for representing time. Fewer of us like to be a bit old-fashioned and use a dial with a couple of hands that indicate the time, modulo twelve. And an even smaller minority, with a true love for the esoteric, are a fan of binary readouts. Well, ther... | 29 | 13 | [
{
"comment_id": "6364420",
"author": "scott.tx",
"timestamp": "2021-07-15T15:47:59",
"content": "just the incentive I needed to learn resistor codes, ha.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6364727",
"author": "Feinfinger (supervillain and... | 1,760,373,018.938185 | ||
https://hackaday.com/2021/07/15/black-starts-how-the-grid-gets-restarted/ | Black Starts: How The Grid Gets Restarted | Dan Maloney | [
"Featured",
"Interest",
"Original Art",
"Slider"
] | [
"black start",
"electrical grid",
"generator",
"grid",
"infrastructure",
"power generation",
"power plant"
] | Gripped as we are at the time of this writing by a historic heatwave, it’s hard for those of us in the western United States to picture a time when cold and ice reigned across the land. But really, it was only about four months back that another bit of freakish weather was visited across most of the country, including ... | 96 | 25 | [
{
"comment_id": "6364399",
"author": "Tehp Enismightier",
"timestamp": "2021-07-15T14:05:23",
"content": "I’ve never seen an article that mentioned and showed exciting a generator to get it to generate again…..I’ve done it once myself and taught an NPC how a few weeks ago from FB marketplace",
"... | 1,760,373,019.07019 | ||
https://hackaday.com/2021/07/15/amazon-drones-dont-go-far/ | Amazon Drones Don’t Go Far | Al Williams | [
"News"
] | [
"amazon",
"automated delivery",
"drone",
"robot"
] | If you are like us, you’ve wondered what all the hoopla about drones making home deliveries is about. Our battery-operated vehicles carry very little payload and still don’t have a very long range. Add sophisticated smarts and a couple of delivery packages and you are going to need a lot more battery. Or maybe not.
Ama... | 41 | 15 | [
{
"comment_id": "6364345",
"author": "Pritchard",
"timestamp": "2021-07-15T11:08:52",
"content": "Are the actually autonomous or controlled by people in a less economically developed country?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6364353",
"... | 1,760,373,018.865411 | ||
https://hackaday.com/2021/07/15/using-ghidra-to-extract-a-router-configuration-encryption-key/ | Using Ghidra To Extract A Router Configuration Encryption Key | Maya Posch | [
"Security Hacks",
"Software Hacks"
] | [
"Ghidra",
"router hacking"
] | Who doesn’t know the struggle? Buying an interesting piece of hardware for a song and a dance, and then finding that the device’s firmware and/or configuration file is locked down with various encryption or obfuscation methods. This was
the experience [Ali Raheem] had
when he got a
TP-Link TL-MR3020 V3
for a mere 18 Br... | 24 | 10 | [
{
"comment_id": "6364303",
"author": "Alphatek",
"timestamp": "2021-07-15T08:05:07",
"content": "It’s a shame that OpenWRT has got too big to support this and the WR-703n – they’re nice little (with the emphasis on little for the 703n!) boxes.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,019.610232 | ||
https://hackaday.com/2021/07/14/down-the-fabrication-rabbit-hole-to-build-a-recumbent-bike/ | Down The Fabrication Rabbit Hole To Build A Recumbent Bike | Mike Szczys | [
"Transportation Hacks"
] | [
"bike hacks",
"brazing",
"conduit",
"recumbent",
"recumbent bicycle",
"tube bender"
] | ‘Tis the time of the year to find as many reasons as possible to shut off the smartphone and get yourself outside. [Rich Olson’s] newest excuse is
a recumbent bicycle he built from at least three donor bikes
. Of course we’ve seen any number of bike mods over the years (
the tall bikes that integrate a ladder
to climb ... | 13 | 7 | [
{
"comment_id": "6364334",
"author": "Stajp",
"timestamp": "2021-07-15T09:49:00",
"content": "There is a Facebook group dedicated to homebuilt recumbents.Not all of them have nice videos, but there is everything from top-notch builds to stuff that will fall apart after one rain…https://www.facebook.... | 1,760,373,019.124421 | ||
https://hackaday.com/2021/07/14/peeking-inside-a-volcano-sensor/ | Peeking Inside A Volcano Sensor | Chris Lott | [
"Science"
] | [
"hawaii",
"sensor",
"sulfur dioxide",
"volcano"
] | On a recent walk through the Hawaii Volcanoes National Park, [Andrew Cooper] stumbled upon an
unlocked monitoring station
. Being an engineer, he couldn’t resist taking a look. This station is one of a network of sulfur dioxide (SO2) monitoring stations installed around the park to keep an eye on volcanic emissions. Un... | 21 | 12 | [
{
"comment_id": "6364228",
"author": "Charlie",
"timestamp": "2021-07-15T02:20:03",
"content": "The wiring inside that box might work, but one bump and it won’t. I agree that the individual who wired it has zero pride in their work. To do things right does take longer, but not that much longer, and ... | 1,760,373,019.196735 | ||
https://hackaday.com/2021/07/14/design-a-custom-enclosure-using-modelling-clay-and-photogrammetry/ | Design A Custom Enclosure Using Modelling Clay And Photogrammetry | Maya Posch | [
"how-to"
] | [
"cad",
"Photogrammetry"
] | When it comes to designing enclosures which aren’t simple boxes or other basic shapes, the design process tends to get somewhat tedious and involved as the number of measurements to be transferred into the CAD program begins to skyrocket. One possible shortcut here is detailed by [Sebastian Sokolowski], who
describes a... | 12 | 7 | [
{
"comment_id": "6364216",
"author": "Bradley Woods",
"timestamp": "2021-07-15T00:25:06",
"content": "Just brilliant! Organic shapes are such a challenge in CAD… I think you may have discovered a New Normal.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "636... | 1,760,373,019.333999 | ||
https://hackaday.com/2021/07/14/analog-style-vu-meter-with-arduino-and-oled-display/ | Analog Style VU Meter With Arduino And OLED Display | Tom Nardi | [
"Arduino Hacks",
"Musical Hacks"
] | [
"digital gauge",
"oled",
"sound reactive",
"ssd1306",
"VU meter"
] | Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED,
then [mircemk] might have the answer for you
. As you can see in the video below, his code turns a handful of cheap parts into an attractive and functional audio display... | 20 | 10 | [
{
"comment_id": "6364162",
"author": "reg",
"timestamp": "2021-07-14T21:53:17",
"content": "Nice looking but a lot f electronics to replace a simple meter. These may cost a bit less to make, but I am old school and I like the look of large real meters. The pictures of this have to be life size or ... | 1,760,373,019.394157 | ||
https://hackaday.com/2021/07/14/end-of-an-era-ntsc-finally-goes-dark-in-america/ | End Of An Era: NTSC Finally Goes Dark In America | Jenny List | [
"History"
] | [
"frankenfm",
"ntsc",
"television"
] | A significant event in the history of technology happened yesterday, and it passed so quietly that we almost missed it.
The last few remaining NTSC transmitters in the USA finally came off air
, marking the end of over seven decades of continuous 525-line American analogue TV broadcasts.
We’ve previously reported on th... | 78 | 19 | [
{
"comment_id": "6364105",
"author": "John Fenderson",
"timestamp": "2021-07-14T18:41:49",
"content": "“The inexorable march of technology has thus given better quality TV”Not in my area. Every broadcast TV station around here has MUCH worse quality than they had with analog TV.",
"parent_id": n... | 1,760,373,019.501502 | ||
https://hackaday.com/2021/07/14/the-case-of-the-mysterious-driveline-noise/ | The Case Of The Mysterious Driveline Noise | Lewin Day | [
"car hacks",
"Hackaday Columns",
"Original Art"
] | [
"car",
"car hacks",
"cars",
"differential",
"mercedes",
"mercedes benz"
] | Spend enough time on the automotive classifieds and you’ll end up finding a deal that’s too good to pass up. The latest of these in one’s own case was a Mercedes-Benz sedan, just past its twentieth birthday and in surprisingly tidy condition. At less than $3,000, the 1998 E240 was too good to pass up and simply had to ... | 31 | 20 | [
{
"comment_id": "6364086",
"author": "SteveS",
"timestamp": "2021-07-14T17:13:41",
"content": ">> Visual inspection showed the wheels to be in good condition and tyres to be only a year old; given>> the inconvenience of sourcing another set to test on the car, they too were set aside at this stageIf... | 1,760,373,020.318632 | ||
https://hackaday.com/2021/07/14/big-3d-printed-lamp-tries-some-new-features/ | Big 3D-Printed Lamp Tries Some New Features | Donald Papp | [
"3d Printer hacks",
"LED Hacks"
] | [
"3d printed",
"lamp",
"lampshade",
"LED filament",
"PETG",
"UMMD 3D Printer"
] | In lamp design, bulbs are usually given generous clearances because they get hot during use. LED bulbs however give off comparatively little heat, which opens a few new doors. [Mark Rehorst] created this
huge 3D printed lamp, made with his custom 3D printer and a hefty 1 mm diameter nozzle
, and the resulting device no... | 10 | 4 | [
{
"comment_id": "6364071",
"author": "MW",
"timestamp": "2021-07-14T16:05:47",
"content": "That’s a nice looking lamp and Dr. Rehorst’s blog is a great read. I’d love to build a Dominator myself, however it’s a bit on the large side and the wife would object. :D",
"parent_id": null,
"depth":... | 1,760,373,019.553032 | ||
https://hackaday.com/2021/07/14/hands-on-with-the-raspberry-pi-poe-hat/ | Hands On With The Raspberry Pi POE+ HAT | Jonathan Bennett | [
"Featured",
"Raspberry Pi",
"Reviews",
"Slider"
] | [
"Hackaday Review",
"poe hat",
"raspberry pi"
] | There’s a lot happening in the world of Pi. Just when we thought the Raspberry Pi Foundation were going to take a break, they announced
a new PoE+ HAT (Hardware Attached on Top) for the Pi B3+ and Pi 4
, and just as soon as preorders opened up I placed my order.
Now I know what you’re thinking, don’t we already have Po... | 25 | 12 | [
{
"comment_id": "6364056",
"author": "Sean Faherty",
"timestamp": "2021-07-14T14:22:25",
"content": "Would like to see “the” Cyberpunk Neon-purple Pixel under a bell jar in an internation metrology exhibit!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "636405... | 1,760,373,019.900571 | ||
https://hackaday.com/2021/07/14/tetris-handheld-powered-by-tritium-cell-eventually/ | TetrisHandheld Powered By Tritium Cell, Eventually | Tom Nardi | [
"Science",
"Solar Hacks"
] | [
"handheld game",
"solid-state battery",
"tetris",
"Tritium",
"tritium battery"
] | The idea of a tritium power cell is pretty straightforward: stick enough of the tiny glowing tubes to a photovoltaic panel and your DIY “nuclear battery” will generate energy for the next decade or so. Only problem is that the power produced, measured in a few microwatts, isn’t enough to do much with.
But as [Ian Charn... | 30 | 12 | [
{
"comment_id": "6364016",
"author": "Glen Searle (@GenesisMachines)",
"timestamp": "2021-07-14T11:25:02",
"content": "If you can avoid the hydrogen escaping, you should get more power if all the material that absorbed beta radiation was removed, allowing the beta particles to hit the voltaic materi... | 1,760,373,019.688777 | ||
https://hackaday.com/2021/07/14/fixing-noisy-measurements-on-an-owon-xdm2041-bench-multimeter/ | Fixing Noisy Measurements On An Owon XDM2041 Bench Multimeter | Maya Posch | [
"Repair Hacks",
"Tool Hacks"
] | [
"bench multimeter",
"owon"
] | After purchasing an Owon XDM2041 bench multimeter for an automated test setup, [Petteri Aimonen] was disappointed to find that at especially the higher mega Ohm ranges, the measured values were jumping around a lot and generally very inaccurate. Since this is an approximately $170 bench multimeter and Owon support wasn... | 21 | 10 | [
{
"comment_id": "6363989",
"author": "e",
"timestamp": "2021-07-14T08:09:45",
"content": "Euclid’s Elements, still relevant 2300 years later with fourier transforms on finite groups.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363995",
"author": "vib",... | 1,760,373,020.018596 | ||
https://hackaday.com/2021/07/13/playstation-games-on-the-gba-with-a-few-extra-steps/ | PlayStation Games On The GBA, With A Few Extra Steps | Tom Nardi | [
"Nintendo Game Boy Hacks",
"Raspberry Pi"
] | [
"emulation",
"game boy advance",
"gba",
"multiboot",
"Retroarch"
] | It might seem impossible, but what you’re looking at is a Sony PlayStation game being played on a Nintendo Game Boy Advance. The resolution is miserable and the GBA doesn’t have nearly enough buttons to do most 3D games justice, but it’s working. There’s even audio support, although turning it on will slow things down ... | 15 | 4 | [
{
"comment_id": "6364010",
"author": "James",
"timestamp": "2021-07-14T10:14:33",
"content": "This is so cool and it had a great write up. I wonder a cartridge could be made using the same principle. And not be limited by the link cable speed.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,019.959521 | ||
https://hackaday.com/2021/07/13/retrotechtacular-the-secret-life-of-the-electric-light/ | Retrotechtacular: The Secret Life Of The Electric Light | Dan Maloney | [
"Retrotechtacular"
] | [
"electric light",
"light bulb",
"remastered",
"retrotechtactular",
"Rex Garrod",
"The Secret Life",
"Tim Hunkin",
"tv"
] | Normally, when we pick out something to carry the “Retrotechtacular” banner, it’s a film from the good old days when technology was young and fresh, and filmmakers were paid by one corporate giant or another to produce a film extolling the benefits of their products or services, often with a not-so-subtle “celebrate th... | 22 | 12 | [
{
"comment_id": "6363947",
"author": "Jonathan Bennett",
"timestamp": "2021-07-14T02:24:18",
"content": "I have greatly enjoyed these being remastered, particularly with the modern retrospective at the end of each episode. Great stuff!",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,020.181349 | ||
https://hackaday.com/2021/07/13/stop-touching-my-face/ | Stop Touching My Face | Orlando Hoilett | [
"Lifehacks",
"Wearable Hacks"
] | [
"classical conditioning",
"Conditioning",
"Negative Feedback",
"Pavlovian"
] | We all have a habit or two that we’re not terribly proud of and have probably thought of any number of ways to help rid ourselves of them. Well, [Friedlc] wondered if he could create a mechanism that would get him to stop touching his face using a bit of negative conditioning.
He rigged up a head brace that slaps his f... | 12 | 7 | [
{
"comment_id": "6363912",
"author": "ScriptGiddy",
"timestamp": "2021-07-13T23:09:41",
"content": "Haha this is awesome! Can it double as a defense against pinchy cheek grandmas? My old lady neighbor loves to grab my beard 😂",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,020.06688 | ||
https://hackaday.com/2021/07/13/wobble-disk-coffee-roaster-looks-good-in-wood/ | Wobble Disk Coffee Roaster Looks Good In Wood | Kristina Panos | [
"Misc Hacks"
] | [
"coffee",
"coffee beans",
"coffee roaster",
"electric screwdriver",
"heat gun",
"wobble disk roaster"
] | If you love coffee, you probably make it yourself at home most of the time using beans from some hipster coffee shop where the employees have full-sleeve tattoos and strong opinions. Maybe you even buy whole beans and grind them right before you use them. If you want to go all the way, you gotta roast those beans yours... | 3 | 3 | [
{
"comment_id": "6363931",
"author": "Robb Smith",
"timestamp": "2021-07-14T00:34:35",
"content": "When my elderly Freshroast 8 finally packs it in, I’m seriously trying this. Well done sir!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363990",
"autho... | 1,760,373,020.115881 | ||
https://hackaday.com/2021/07/13/responsive-paintings-do-it-with-heat-and-light/ | Responsive Paintings Do It With Heat And Light | Kristina Panos | [
"Art",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"acrylic paint",
"art",
"interactivity",
"thermochromic",
"thermoplastic"
] | Art is a conversation, yes. But normally, it’s a short one: the artist makes a statement and the audience responds, each bringing their own interpretations. The hard thing about being an artist is that once you release a piece into the world, it’s sort of bound and gagged in that it can’t defend itself from comments an... | 2 | 2 | [
{
"comment_id": "6364004",
"author": "Menga",
"timestamp": "2021-07-14T09:31:48",
"content": "I Love the idea of paint that changes color. I wonder if could be also done with pigments that respond with non-visible light could achive the same. Like fosforescent pigments. That would probably require t... | 1,760,373,020.463046 | ||
https://hackaday.com/2021/07/13/virginia-apgar-may-have-saved-your-life/ | Virginia Apgar May Have Saved Your Life | Kristina Panos | [
"Biography",
"Featured",
"Hackaday Columns",
"Medical Hacks",
"Slider"
] | [
"anesthesiology",
"Apgar score",
"babies",
"infant",
"infant mortality",
"newborns"
] | Between the 1930s and the 1950s, something sort of strange happened in the United States. The infant mortality rate went into decline, but the number of babies that died within 24 hours of birth didn’t budge at all. It sounds terrible, but back then, many babies who weren’t breathing well or showed other signs of a fai... | 28 | 11 | [
{
"comment_id": "6363824",
"author": "Michael Black",
"timestamp": "2021-07-13T17:17:26",
"content": "Her father got interested in radio in 1910, so there wasn’t much choice but to build your own.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363831",
"a... | 1,760,373,020.247173 | ||
https://hackaday.com/2021/07/13/3d-printed-cnc-knee-mill/ | 3D Printed CNC Knee Mill | Danie Conradie | [
"cnc hacks",
"Tool Hacks"
] | [
"3D printed cnc machine",
"ivan miranda",
"machining"
] | CNC mills will never match real heavy metal mills on hard materials, but that won’t stop people from pushing the limits of these DIY machines. One of the usual suspects, [Ivan Miranda] is at it again, this time building a
knee mill from aluminum extrusions and 3D printed fittings
. (Video after the break.)
Most DIY CNC... | 52 | 11 | [
{
"comment_id": "6363802",
"author": "KG5DXG",
"timestamp": "2021-07-13T15:46:15",
"content": ">CNC mills will never match real heavy metal millsSurely you know better than to conflate CNC with DIY in the very first sentence of the article…Pretty much all modern “real heavy mills” are CNC nowadaysMa... | 1,760,373,020.550122 | ||
https://hackaday.com/2021/07/13/muse-group-continues-tone-deaf-handling-of-audacity/ | Muse Group Continues Tone Deaf Handling Of Audacity | Tom Nardi | [
"Current Events",
"Featured",
"Slider",
"Software Development"
] | [
"audacity",
"foss",
"gpl",
"Muse Group",
"open source",
"software licensing"
] | When we last checked in on the Audacity community, privacy-minded users of the free and open source audio editor were concerned over proposed plans to add telemetry reporting to the decades old open source audio editing software. More than 1,000 comments were left on the GitHub pull request that would have implemented ... | 133 | 39 | [
{
"comment_id": "6363785",
"author": "Stuart Longland",
"timestamp": "2021-07-13T14:25:09",
"content": "Not amused!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363792",
"author": "CRImier",
"timestamp": "2021-07-13T15:06:20",
"content": "Having... | 1,760,373,020.975531 | ||
https://hackaday.com/2021/07/13/the-linux-kernel-5-14-audio-update/ | The Linux Kernel 5.14 Audio Update | Jonathan Bennett | [
"Linux Hacks",
"News"
] | [
"firewire",
"linux kernel",
"Pipewire"
] | You may remember the Pipewire coverage we ran a couple weeks ago, and the TODO item to fix up Firewire device support with Pipewire. It turns out that this is an important feature for kernel hackers, too, because the Alsa changes just got pulled into the 5.14 kernel, and included is
the needed Firewire audio work
. Sho... | 39 | 8 | [
{
"comment_id": "6363749",
"author": "Alexandre Peccioli",
"timestamp": "2021-07-13T11:18:16",
"content": "Very good comments, especially for me who works with a Firewire interface… Keep us posted. Thanks!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "63641... | 1,760,373,020.679144 | ||
https://hackaday.com/2021/07/13/nfc-whos-at-the-door/ | NFC Who’s At The Door | Michael Shaub | [
"hardware",
"Security Hacks"
] | [
"access control",
"ESP-32",
"github",
"NFC",
"open source",
"pn532",
"security"
] | An early prototype that worked on the first try, except for one LED
[RevK] wanted to learn about NFC readers, and we agree that the best way to do so is to
dive in and build one yourself
.
There are readers available from multiple sources, but [RevK] found them either
compact but with no prototyping space
or plenty of ... | 8 | 3 | [
{
"comment_id": "6363730",
"author": "Sjaak",
"timestamp": "2021-07-13T08:54:35",
"content": "Tamperproof can be as easy a just wire loop connected to a I/O port and ground. If you want to detect if is shorted near the chip/board you need to add a resistor to Vcc on the I/O, a resistor in the far en... | 1,760,373,020.601244 | ||
https://hackaday.com/2021/07/12/human-following-utility-trailer/ | Human-Following Utility Trailer | Chris Lott | [
"Transportation Hacks"
] | [
"agriculture",
"farm",
"following",
"human following",
"robots"
] | [Théo Gautier] thought that a human-following utility trailer would be helpful for people working on farms. He didn’t just think about it, however, he
designed and built it as a final project
at the Agrilab FabAcademy at the University UniLasalle Polytechnique in northern France. He took the idea from concept to fruiti... | 27 | 12 | [
{
"comment_id": "6363709",
"author": "macsimski",
"timestamp": "2021-07-13T06:10:11",
"content": "Ah. Finally “the luggage” has arrived. Electronics replaces sentient pear wood. Hopefully it has a more docile character.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comme... | 1,760,373,020.747826 | ||
https://hackaday.com/2021/07/12/high-tech-paperweight-shows-off-working-60s-era-thin-film-electronics/ | High-Tech Paperweight Shows Off Working 60s-era Thin-Film Electronics | Donald Papp | [
"Art",
"Retrocomputing"
] | [
"60s",
"ge",
"paperweight",
"reverse engineering",
"space race",
"thin film",
"vintage"
] | [Ken Shirriff]’s
analysis of a fascinating high-tech paperweight created by GE at the height of the space race
is as informative as it is fun to look at. This device was created to show off GE’s thin-film electronics technology, and while it’s attractive enough on its own, there’s an added feature: as soon as the paper... | 9 | 7 | [
{
"comment_id": "6363692",
"author": "Drone",
"timestamp": "2021-07-13T02:51:56",
"content": "Circuits and/or systems somewhat like the macro-structure of the encapsulated 1960’s example are still in wide use today and in most cases considered to be high-technology. For example: Low and High Tempera... | 1,760,373,020.799622 | ||
https://hackaday.com/2021/07/11/tuning-into-medical-implants-with-the-rtl-sdr/ | Tuning Into Medical Implants With The RTL-SDR | Tom Nardi | [
"Medical Hacks",
"Radio Hacks"
] | [
"medical device",
"medical implant",
"RTL-SDR",
"rtl_433",
"software-defined radio"
] | With a bit of luck, you’ll live your whole life without needing an implanted medical device. But if you
do
end up getting the news that your doctor will be installing an active transmitter inside your body, you might as well crack out the software defined radio (SDR) and
see if you can’t decode its transmission like [J... | 12 | 6 | [
{
"comment_id": "6363408",
"author": "Bret Tschacher",
"timestamp": "2021-07-11T16:06:11",
"content": "Great, now we have the surreal outlook of people hacking into this and seeing how many people they can simply tune in, turn off, hold for ransom or corrupt.",
"parent_id": null,
"depth": 1,... | 1,760,373,021.030936 | ||
https://hackaday.com/2021/07/11/discount-microfluidics-from-a-9-spree-at-the-dollar-store/ | Discount Microfluidics From A $9 Spree At The Dollar Store | Al Williams | [
"chemistry hacks",
"Science"
] | [
"dollar store",
"microfluidics"
] | Microfluidics — working with tiny volumes of fluids in tiny channels — isn’t something you’d think would be inexpensive. Unless you read [Alexander Bissells’]
post on how he created microfluidic devices
using stuff from the dollar store. The channels in these devices can be much smaller than a millimeter and the fluid ... | 1 | 1 | [
{
"comment_id": "6363378",
"author": "Ostracus",
"timestamp": "2021-07-11T12:48:30",
"content": "Then there’s the use of shrinky-dink.https://pubs.rsc.org/en/content/articlelanding/2008/lc/b711622e#!divAbstract",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,021.37899 | ||
https://hackaday.com/2021/07/11/but-does-it-run-toom/ | But Does It Run TOOM? | Jenny List | [
"Games"
] | [
"does it run doom",
"doom",
"Toom"
] | id Software’s iconic 1993 first-person shooter game
Doom
was
the
game to play on your 486 (or fast 386) and was for many their first introduction to immersive 3D environments in gaming. Its eventual release as open-source gave it a new life, and now it’s a rite of passage for newly-reverse-engineered devices:
Will it r... | 39 | 9 | [
{
"comment_id": "6363355",
"author": "gregvaultpress",
"timestamp": "2021-07-11T09:26:55",
"content": "I played Wolfenstein 3D long before Doom, and /that/ game was the one that impressed me to the point of tears.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id"... | 1,760,373,021.93518 | ||
https://hackaday.com/2021/07/10/wing-can-expand-to-fly-really-slow-for-short-take-off-and-landing/ | Wing Can Expand To Fly Really Slow For Short Take-Off And Landing | Danie Conradie | [
"Transportation Hacks"
] | [
"aviation",
"bush plane",
"experimental aircraft",
"mike patey",
"piston engine",
"scrappy"
] | [Mike Patey] had made a name for himself by building high-performance experimental aircraft. In his latest project, he added a
transforming wing that can extend its chord by up to 16 inches
for low speed and high angle of attack performance.
The aircraft in question, a bush plane named
Scrappy
, has been attracting att... | 56 | 15 | [
{
"comment_id": "6363334",
"author": "Gravis",
"timestamp": "2021-07-11T05:36:58",
"content": "Those whole people being water balloons in a flying hunk of metal seems dangerous enough. Building your own flying contraption just seems like tempting fate. Physics is not kind to us water balloons; we ... | 1,760,373,021.339913 | ||
https://hackaday.com/2021/07/10/astronomical-clock-uses-your-spare-clock-motors/ | Astronomical Clock Uses Your Spare Clock Motors | Al Williams | [
"clock hacks",
"Microcontrollers"
] | [
"clock",
"low power",
"microcontroller",
"pic"
] | We’ll admit we are suckers for clock projects, and the more unusual, the better.
We liked the look of [Peter Balch’s] astronomical clock
, especially since it was handcrafted and was a relatively simple mechanism. [Peter] admits that it looks like an astronomical clock, but it isn’t the same as a complex instrument fro... | 1 | 1 | [
{
"comment_id": "6363351",
"author": "Harvie.CZ",
"timestamp": "2021-07-11T08:01:00",
"content": "I’m a simple man. I see orloj, i upvote!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,021.111299 | ||
https://hackaday.com/2021/07/10/is-it-a-cyberdeck-or-a-vintage-toshiba/ | Is It A Cyberdeck Or A Vintage Toshiba? | Jenny List | [
"laptops hacks"
] | [
"cyberdeck",
"laptop",
"Toshiba"
] | Cyberdecks, the portable computers notable for a freely expressed form factor, owe much to post-apocalyptic sci-fi. But they are not always the most practical devices. There’s a reason that all laptops share a very similar form factor: it’s a convenient and functional way to make a computer to take anywhere. So for the... | 26 | 8 | [
{
"comment_id": "6363299",
"author": "Redhatter (VK4MSL)",
"timestamp": "2021-07-10T23:29:35",
"content": "I remember those!Heavy as flipping lead. My first few years of computing was done on a machine very similar to the one that got gutted. Playing early DOS games on a 640×400 pixel monochrome p... | 1,760,373,021.440972 | ||
https://hackaday.com/2021/07/10/skin-mounted-wearable-bend-sensor-gets-close-and-personal/ | Skin-Mounted Wearable Bend Sensor Gets Close And Personal | Donald Papp | [
"Wearable Hacks"
] | [
"bend sensor",
"conductive fabric",
"conductive thread",
"e-textile",
"wearable"
] | [Mikst] has been working on wearable electronics and sensors for a long time, and shared the results of
a different kind of bend sensor that fits directly onto the skin
. It’s true that this kind of sensor design isn’t re-usable, but it is also very simple and inexpensive. It’s just a proof of concept right now, but we... | 1 | 1 | [
{
"comment_id": "6363308",
"author": "lemny",
"timestamp": "2021-07-11T01:34:02",
"content": "( ͡° ͜ʖ ͡°)",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,021.977953 | ||
https://hackaday.com/2021/07/12/3d-printed-hot-swap-keyboard-pcb-generator-is-super-cool/ | 3D-Printed, Hot-Swap Keyboard PCB Generator Is Super Cool | Kristina Panos | [
"3d Printer hacks",
"Tool Hacks"
] | [
"breadboard",
"cherry mx",
"hot swap",
"keyboard building",
"prototyping"
] | About a month ago, [50an6xy06r6n] shared their hot swap 3D-printed circuit board for keyboard design with the mechanical keyboard subreddit. It’s more of a prototyping tool than a permanent fixture, though nothing is stopping you from using it permanently.
Well, now it’s even better, and open source to boot
.
[50an6xy0... | 4 | 3 | [
{
"comment_id": "6363518",
"author": "Inhibit",
"timestamp": "2021-07-12T11:58:28",
"content": "The last time I needed some keyboard switches for a project it was a bit cheaper to buy a removable switch keyboard on Amazon than to buy the same switches in equivalent quantity. Could’ve been an oddity ... | 1,760,373,021.505278 | ||
https://hackaday.com/2021/07/12/the-first-new-vacuum-tube-computer-design-for-well-over-half-a-century/ | The First New Vacuum Tube Computer Design For Well Over Half A Century | Jenny List | [
"computer hacks",
"Retrocomputing"
] | [
"colossus",
"tube computer",
"vacuum tube"
] | In a few museums around the world, there lies the special experience of seeing some of the earliest computers. These room-filling monsters have multiple racks of vacuum tubes that are kept working by the dedication and care of their volunteer maintainers. A visit to the primordial vacuum tube computer, Colossus at Blet... | 48 | 19 | [
{
"comment_id": "6363497",
"author": "k-ww",
"timestamp": "2021-07-12T08:53:44",
"content": "It gives me a warm feeling just thinking about it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363505",
"author": "Scoldog",
"timestamp": "2021-0... | 1,760,373,021.709426 | ||
https://hackaday.com/2021/07/11/making-teeny-clamps-with-hand-tools/ | Making Teeny Clamps With Hand Tools | Lewin Day | [
"Tool Hacks"
] | [
"clamp"
] | Sometimes you need a small clamp, and sometimes it’s nice to use tools you’ve made yourself. [Neil] from [Pask Makes] delivers on both counts, with incredibly cute little clamps that he whipped up in his own home shop.
You can even make them with hand tools!
The first step is to cut out a section of flat steel bar, and... | 19 | 2 | [
{
"comment_id": "6363474",
"author": "Eddy Robinson",
"timestamp": "2021-07-12T05:18:48",
"content": "*vise",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363476",
"author": "Richard from the UK",
"timestamp": "2021-07-12T06:22:01",
... | 1,760,373,021.766719 | ||
https://hackaday.com/2021/07/11/can-bus-wireless-hacking-dev-board/ | CAN Bus Wireless Hacking / Dev Board | Chris Lott | [
"car hacks"
] | [
"automotive",
"can-bus",
"canbus",
"car hacking"
] | [Voltlog] has been hacking away at the CAN bus console of his VW Golf for quite some time now. Presumably, for his projects, the available CAN bus interface boards are lacking in some ways, either technically and/or price. So [Voltlog]
designed his own wireless CAN bus hacking and development module called the ESP32 Ca... | 5 | 3 | [
{
"comment_id": "6363503",
"author": "mip",
"timestamp": "2021-07-12T09:43:18",
"content": "Great project, would also be a nice fit for boaters with their NME2000.Too bad its ST VN750PS (sic!) seems to be made from unobtanium, as quite a lot of automotive grade ICs.",
"parent_id": null,
"dep... | 1,760,373,021.816816 | ||
https://hackaday.com/2021/07/11/hackaday-links-july-11-2021/ | Hackaday Links: July 11, 2021 | Dan Maloney | [
"Hackaday Columns",
"Hackaday links"
] | [
"bsod",
"chip shortage",
"hackaday links",
"interactive",
"laser",
"light show",
"noise",
"scammer",
"Windows 11"
] | Well, at least the acronym will stay the same. It looks like
black is the new blue for Windows 11
, as the BSOD screen gets its first makeover in years. It’s an admittedly minor change, since the on-screen text is virtually identical to the BSOD from recent versions of Windows 10, and the new death-knell even sports th... | 5 | 4 | [
{
"comment_id": "6363467",
"author": "R",
"timestamp": "2021-07-12T03:58:45",
"content": "glad I don’t live anywhere near those lasers.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363506",
"author": "Shannon",
"timestamp": "2021-07-12T09:... | 1,760,373,021.85738 | ||
https://hackaday.com/2021/07/11/digital-audio-for-microcontrollers-doesnt-come-much-simpler-than-a-wart/ | Digital Audio For Microcontrollers Doesn’t Come Much Simpler Than A WART | Jenny List | [
"digital audio hacks",
"Microcontrollers"
] | [
"audio",
"serial",
"uart"
] | Adding an audio channel to your microcontroller project can mean a pile of extra components and a ton of processing power, as a compressed stream must be retrieved and sent to a dedicated DAC. Or if you are [rdpoor], it can mean
hooking up a low-pass filter to the UART that’s present on even the simplest of devices
, a... | 11 | 6 | [
{
"comment_id": "6363435",
"author": "Joseph Eoff",
"timestamp": "2021-07-11T20:08:56",
"content": "You have been “Rick rolled.”https://en.m.wikipedia.org/wiki/Rickrolling",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363437",
"author": "Cree",
... | 1,760,373,022.026614 | ||
https://hackaday.com/2021/07/11/motorized-camera-slider-gives-your-shots-style/ | Motorized Camera Slider Gives Your Shots Style | Tom Nardi | [
"digital cameras hacks",
"Microcontrollers"
] | [
"camera slider",
"ESP32",
"stepper motor",
"TMC2209",
"web interface"
] | We’ve all seen those smooth panning shots, which combined with some public domain beats, are a hallmark of the modern YouTube tech video. Recreating that style in your own productions is as easy as pointing your browser to Amazon and picking up a motorized camera slider, so long as you don’t mind parting with a few hun... | 1 | 1 | [
{
"comment_id": "6464888",
"author": "Mico",
"timestamp": "2022-04-25T08:46:20",
"content": "Hi, thank you for making this OpenSource. May I ask where to get that phone app your using here?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,373,023.996296 | ||
https://hackaday.com/2021/07/12/revolving-plant-tower-is-solar-powered/ | Revolving Plant Tower Is Solar-Powered | Kristina Panos | [
"Misc Hacks"
] | [
"carabiner",
"clutch",
"dc motor",
"solar cell",
"solar power",
"strawberries"
] | Do you live in a small or yard-less space, but want to grow things anyway? You’re not totally out of luck — you’ll just have to get creative and probably vertical with your planting scheme. And since apartments and other smallish dwellings often have a limited amount of exposure, it would really help a lot if you could... | 16 | 8 | [
{
"comment_id": "6363672",
"author": "Glamar",
"timestamp": "2021-07-12T23:32:32",
"content": "Does it keep the bird off your berries?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363861",
"author": "JT Makes It",
"timestamp": "2021-07-13T... | 1,760,373,023.722767 | ||
https://hackaday.com/2021/07/12/a-capable-nerf-launcher-robot/ | A Capable Nerf Launcher Robot | Lewin Day | [
"Misc Hacks"
] | [
"compressed air",
"nerf",
"robot"
] | Nerf blasters are fun to play with, and it’s now possible to even get robotic Nerf launchers you can use to chase around your friends. [Engineering After Hours] wasn’t satisfied with the official hardware, though,
so built his own remote control Nerf rig to battle it out in the back yard.
The rig is built around an ear... | 5 | 1 | [
{
"comment_id": "6363659",
"author": "steve.eh",
"timestamp": "2021-07-12T21:38:39",
"content": "pew pew",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363766",
"author": "Hans",
"timestamp": "2021-07-13T12:27:53",
"content": "Not al... | 1,760,373,024.035706 | ||
https://hackaday.com/2021/07/12/get-yourself-a-pupper-for-education/ | Get Yourself A Pupper (For Education) | Bryan Cockfield | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"mini",
"open source",
"Pupper",
"raspberry pi",
"servo",
"stanford"
] | While the disquieting appearance of some of the robots coming out of DARPA and other labs might give us some reservations about how much intelligence we want to give to those robots, there’s a lot to be learned from them before their inevitable global takeover.
This small quadruped called the Mini Pupper is just the ro... | 14 | 7 | [
{
"comment_id": "6363658",
"author": "Phil",
"timestamp": "2021-07-12T21:29:49",
"content": "Awesome little bot! Would have been a great stepping stone between a turtle bot on the way to a biped walker. The gap there is huge and could do with a few steps. Mention this as was working for a start-u... | 1,760,373,023.668708 | ||
https://hackaday.com/2021/07/12/teardown-vtech-smart-start/ | Teardown: VTech Smart Start | Tom Nardi | [
"Hackaday Columns",
"Teardown",
"Toy Hacks"
] | [
"LED display",
"MCU",
"microcontroller",
"VTech",
"z80",
"zilog",
"Zilog Z80"
] | Regular readers may be aware that I have a certain affinity for vintage VTech educational toys,
especially
ones that attempted to visually or even functionally tie in with contemporary computer design. In the late 1980s, when it became obvious the personal computer was here to stay, these devices were seen as an afford... | 12 | 9 | [
{
"comment_id": "6363613",
"author": "Eduardo Habkost",
"timestamp": "2021-07-12T17:30:32",
"content": "The small dash between the third and third characters seems to be used for the “Middle Number” and “Guess the Number” games. At least that’s what the emulator athttp://labs.hardinfo.org/pb/does.",... | 1,760,373,023.896412 | ||
https://hackaday.com/2021/07/12/scada-security-hack-chat/ | SCADA Security Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"Hack Chat",
"infrastructure",
"network",
"plc",
"risk",
"SCADA",
"security"
] | Join us on Wednesday, July 14 at noon Pacific for the
SCADA Security Hack Chat
with Éireann Leverett!
As a society, we’ve learned a lot of hard lessons over the last year and a half or so. But one of the strongest lessons we’ve faced is the true fragility of our infrastructure. The crumbling buildings and bridges and t... | 18 | 7 | [
{
"comment_id": "6363605",
"author": "BT",
"timestamp": "2021-07-12T16:46:59",
"content": "Wait until someone takes out the GPS…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363616",
"author": "Ragnarok700",
"timestamp": "2021-07-12T17:38:... | 1,760,373,023.776499 | ||
https://hackaday.com/2021/07/12/chip-transplant-brings-timex-2048-back-from-grave/ | Chip Transplant Brings Timex 2048 Back From Grave | Tom Nardi | [
"Repair Hacks",
"Retrocomputing"
] | [
"repair",
"restoration",
"retrocomputing",
"Timex",
"z80"
] | The 1984 Timex Computer 2048 that [Drygol] recently got his hands on was in pretty poor shape. Not only did it have the mangled exterior that comes from several decades of hard use and furious typing, but the internals appeared to be shot as well, with the machine showing nothing but vertical lines when powered up. Tha... | 16 | 4 | [
{
"comment_id": "6363562",
"author": "BrightBlueJim",
"timestamp": "2021-07-12T15:23:17",
"content": "Since EPROM is a form of dynamic memory (just with very (very) long refresh times), it’s not a big surprise that 40 year old chips are losing their data. It’s quite likely that even if it was a one... | 1,760,373,024.248126 | ||
https://hackaday.com/2021/07/12/as-chinese-wheels-touch-martian-soil-and-indian-astronauts-walk-towards-the-launch-pad-can-we-hope-for-another-space-race/ | As Chinese Wheels Touch Martian Soil And Indian Astronauts Walk Towards The Launch Pad, Can We Hope For Another Space Race? | Jenny List | [
"Featured",
"Interest",
"Slider",
"Space"
] | [
"Artemis",
"china",
"india",
"nasa",
"russia",
"space race",
"tiangong",
"Zhurong"
] | If you were born in the 1960s or early 1970s, the chances are that somewhere in your childhood ambitions lay a desire to be an astronaut or cosmonaut. Once Yuri Gagarin had circled the Earth and Neil Armstrong had walked upon the Moon, millions of kids imagined that they too would one day climb into a space capsule and... | 34 | 14 | [
{
"comment_id": "6363545",
"author": "Alice Lalita Heald",
"timestamp": "2021-07-12T14:17:31",
"content": "We can’t even colonise the Moon first, why bother with Mars?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363592",
"author": "bat",
... | 1,760,373,024.115657 | ||
https://hackaday.com/2021/07/10/building-a-big-ol-powerful-wheelbarrow/ | Building A Big Ol’ Powerful Wheelbarrow | Lewin Day | [
"Misc Hacks",
"Tool Hacks"
] | [
"engine",
"wheelbarrow"
] | Sometimes you’ve gotta haul big heavy loads around a wide area. Regular wheelbarrows are fine, but it can quickly grow tiring when one has to make multiple trips. [Workshop from Scratch] instead
elected to build a powered wheelbarrow
, with plenty of grunt to shift loads about.
The build is absolutely from the ground u... | 16 | 9 | [
{
"comment_id": "6363261",
"author": "Bret Tschacher",
"timestamp": "2021-07-10T17:13:46",
"content": "Not exactly a new idea, I have a friend that has a 3 wheeled version of this that was made in a factory. They can be very useful. Instead of a gas powered version, use a brushless electric motor. B... | 1,760,373,023.833466 | ||
https://hackaday.com/2021/07/10/you-cant-fix-what-you-cant-measure/ | You Can’t Fix What You Can’t Measure | Elliot Williams | [
"Hackaday Columns",
"Rants"
] | [
"antenna",
"measurement",
"newsletter",
"radio"
] | Last year, as my Corona Hobby™, I took up RC plane flying. I started out with discus-launched gliders, and honestly that’s still my main love, but there’s only so much room for hackery in planes that are designed to be absolutely minimum weight and maximum performance; these are the kind of planes that notice an extra ... | 13 | 9 | [
{
"comment_id": "6363238",
"author": "Piotrsko",
"timestamp": "2021-07-10T14:38:14",
"content": "You could do range testing the archaic way: keep moving the object further and further apart. The aircraft FPV forums are full of practical advise for extreme long range.",
"parent_id": null,
... | 1,760,373,023.947291 | ||
https://hackaday.com/2021/07/10/fractal-vise-holds-odd-shaped-objects-tight/ | Fractal Vise Holds Odd-Shaped Objects Tight | Lewin Day | [
"3d Printer hacks",
"Tool Hacks"
] | [
"vice"
] | A regular vice is great if you want to clamp rectangular objects, but it can fall down a little with more complex shapes. Inspired by an ancient vise [Chris Borge]
whipped up his own 3D-printed fractal clamping tool
.
The inspiration for this one comes from
the [Hand Tool Rescue] video that shows of the clever mechanis... | 29 | 14 | [
{
"comment_id": "6363207",
"author": "Fosselius",
"timestamp": "2021-07-10T11:55:24",
"content": "ok, now i have to change filament spool…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363208",
"author": "Dan",
"timestamp": "2021-07-10T11:59:36",
... | 1,760,373,024.316222 | ||
https://hackaday.com/2021/07/10/up-close-and-personal-with-some-busted-avionics/ | Up Close And Personal With Some Busted Avionics | Tom Nardi | [
"Teardown"
] | [
"avionics",
"DME",
"microcontroller",
"Mostek"
] | When he found this broken Narco DME 890 that was headed for the trash, [Yeo Kheng Meng] did what any self-respecting hardware hacker would do:
he took it back to his workbench so he could crack it open
. After all, it’s not often you get to look at a piece of tech built to the exacting standards required by even outdat... | 1 | 1 | [
{
"comment_id": "6363198",
"author": "aki009",
"timestamp": "2021-07-10T09:57:42",
"content": "FTA: “Even if you’re unlikely to ever go hands on with this type of technology, it’s fascinating to see the thought and attention to detail that goes into even seemingly mundane aspects of the hardware.”I ... | 1,760,373,024.640944 | ||
https://hackaday.com/2021/07/09/a-home-automation-solution-for-fans-of-quick-and-dirty-solutions/ | Home Automation For Fans Of Quick-and-Dirty Solutions | Dan Maloney | [
"home hacks"
] | [
"arduino",
"Decora",
"home automation",
"ir",
"servo",
"stepper",
"toggle",
"wall switch"
] | At Hackaday, we celebrate all kinds of projects, but we’ll have to admit that the polished and professional-looking builds tend to catch our eye a lot more than perhaps they should. There’s plenty of love to be had for the rougher builds, though, of which
this quick-and-dirty home automation system
is a perfect example... | 25 | 19 | [
{
"comment_id": "6363156",
"author": "Andrew",
"timestamp": "2021-07-10T06:16:04",
"content": "Take your time. No rush.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363160",
"author": "None",
"timestamp": "2021-07-10T06:43:49",
"content": "I lik... | 1,760,373,024.484112 | ||
https://hackaday.com/2021/07/09/3d-printed-copper-rocket-nozzle-costs-under-two-grand/ | 3D Printed Copper Rocket Nozzle Costs Under Two Grand | Al Williams | [
"3d Printer hacks"
] | [
"copper",
"metal 3d printing",
"printing",
"rocket nozzle",
"sintering",
"virtual foundry"
] | You don’t think of hobby-grade 3D printing as a good method for
creating rocket nozzles
. But [Mister Highball] managed to create a copper nozzle using a common printer, a kiln, and some special copper-bearing filament.
The copper filament is about 90% metal. Virtual Foundry recommends preheating it before printing and... | 19 | 6 | [
{
"comment_id": "6363140",
"author": "Jim Jetson",
"timestamp": "2021-07-10T02:26:30",
"content": "My cousin Dexter and I, both our dad’s having small machine shops at home whie empoyed by the Dow Chemical Corporation, Magnesium Aerospace Division at Bay City Michigan. They bring home bocks of DowM... | 1,760,373,024.693392 | ||
https://hackaday.com/2021/07/09/custom-car-horn-makes-many-sounds/ | Custom Car Horn Makes Many Sounds | Lewin Day | [
"car hacks"
] | [
"audio fx",
"car horn",
"horn"
] | A regular car horn is fine, but lacks finesse for more subtle communication. For example, some car horns aren’t particularly adept at short indicatory honks, and can only blare loudly regardless of the situation. For a fancier solution,
[Tom Hammond] whipped up a custom car horn capable of playing a wide variety of sou... | 29 | 15 | [
{
"comment_id": "6363125",
"author": "ameyring",
"timestamp": "2021-07-10T00:16:32",
"content": "Some railroad lovers put train horns on their cars, but only use them for demo and not in traffic due to the loud sound.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_i... | 1,760,373,024.59575 | ||
https://hackaday.com/2021/07/09/zooming-through-the-mandelbrot-set-on-an-atari/ | Zooming Through The Mandelbrot Set On An Atari | Lewin Day | [
"Retrocomputing"
] | [
"atari",
"mandelbrot",
"mandelbrot set"
] | The Mandelbrot set, according to Wikipedia, is “the set of complex numbers
for which the function
does not diverge.” Even if you don’t understand the mathematics behind it, you’ve likely seen the complicated fractal images generated by zooming in on the border of the Mandelbrot set. [Scott Williamson] not only got this... | 4 | 4 | [
{
"comment_id": "6362971",
"author": "lemiel",
"timestamp": "2021-07-09T09:42:56",
"content": "Why he used so old Atari800Win-PLus and not current Altirra version?https://www.virtualdub.org/altirra",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6363114",
"... | 1,760,373,024.529195 | ||
https://hackaday.com/2021/07/08/diy-forth-on-arduino/ | DIY Forth On Arduino | Chris Lott | [
"Arduino Hacks"
] | [
"compilers",
"forth",
"optimization"
] | On a recent rainy afternoon, [Thanassis Tsiodras] decided to
build his own Forth
for the Arduino to relieve the boredom. One week of intense hacking later, he called it done and released his project as
MiniForth on GitHub
. [Thanassis] says he was inspired by our
series of Forth articles
from a few years back, and his ... | 32 | 13 | [
{
"comment_id": "6362928",
"author": "fyllyx",
"timestamp": "2021-07-09T06:26:31",
"content": "Thanks [Thanassis Tsiodras]. Oh and I would have titled this “FORTH Yourself”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362955",
"author": "vib",
... | 1,760,373,025.006753 | ||
https://hackaday.com/2021/07/08/the-nuclear-powered-car-from-ford/ | The Nuclear Powered Car From Ford | Al Williams | [
"car hacks"
] | [
"car",
"fission",
"ford",
"nuclear power",
"Nuclear Reactor",
"nucleon"
] | We think of electric cars as a new invention, but even Thomas Edison had one. It isn’t so much that the idea is new, but the practical realization for normal consumer vehicles is pretty recent. Even in 1958, Ford wanted an electric car. But not just a regular electric car. The
Ford Nucleon
would carry a small nuclear r... | 42 | 16 | [
{
"comment_id": "6362891",
"author": "John",
"timestamp": "2021-07-09T02:20:48",
"content": "FYI I just checked and a 707 hp v8 would produce 527,210 watts. Wow!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362902",
"author": "Paul",
"time... | 1,760,373,024.840876 | ||
https://hackaday.com/2021/07/08/reverse-engineering-a-very-cheap-fitness-band/ | Reverse Engineering A Very Cheap Fitness Band | Lewin Day | [
"Misc Hacks"
] | [
"fitness band",
"telink",
"wearable"
] | With the rise of big-name smartwatches in the marketplace, there are also a smattering of lower-end offerings. The M6 fitness band is one of them,
and [Raphael] set about hacking the cheap device with a custom firmware of his own creation.
The M6 band, which sells for around $6, appears to trade on name similarity to t... | 10 | 7 | [
{
"comment_id": "6362958",
"author": "Alphatek",
"timestamp": "2021-07-09T08:08:29",
"content": "Good writeup. The Telink SOCs look interesting, but don’t seem to be available even on LCSC unfortunately.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6364785... | 1,760,373,024.764165 | ||
https://hackaday.com/2021/07/08/hacked-on-so-dimm-slot-was-worth-a-shot/ | Hacked On SO-DIMM Slot Was Worth A Shot | Tom Nardi | [
"computer hacks"
] | [
"footprint",
"memory upgrade",
"SO-DIMM",
"SODIMM"
] | Finding unpopulated pads on a circuit board is often a sign that the device in question has some untapped potential. These blank spots on the board could be left over from features or capabilities that were deleted from the design, or perhaps even represent an optional upgrade that wasn’t installed on this particular s... | 33 | 9 | [
{
"comment_id": "6362841",
"author": "Osgeld",
"timestamp": "2021-07-08T20:58:34",
"content": "A lot od the time the bios will limit the max ram on these budget machines for instance I have a dual core Celeron tix board with 2 sockets but the most it can handle is 2 gigs a socket and putting anythin... | 1,760,373,024.924032 | ||
https://hackaday.com/2021/07/08/laser-augmented-reality-glasses-show-you-the-way/ | Laser Augmented Reality Glasses Show You The Way | Tom Nardi | [
"Laser Hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"galvanometer laser projection",
"piezo actuator",
"vector graphics"
] | Tech companies like Google and Microsoft have been working on augmented reality (AR) wearables that can superimpose images over your field of view, blurring the line between the real and virtual. Unfortunately for those looking to experiment with this technology, the devices released so far have been prohibitively expe... | 52 | 13 | [
{
"comment_id": "6362822",
"author": "Ostracus",
"timestamp": "2021-07-08T19:15:00",
"content": "Any noise to deal with?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6362825",
"author": "CityZen",
"timestamp": "2021-07-08T19:46:48",
"content": "I... | 1,760,373,025.659071 | ||
https://hackaday.com/2021/07/08/tech-hidden-in-plain-sight-cruise-control/ | Tech Hidden In Plain Sight: Cruise Control | Al Williams | [
"car hacks",
"Hackaday Columns",
"Interest"
] | [
"automotive",
"cars",
"cruise control",
"vacuum",
"vacuum servo"
] | The advent of the microcontroller changed just about everything. Modern gadgets often have a screen-based interface that may hide dozens or hundreds of functions that would have been impractical and confusing to do with separate buttons and controls. It also colors our thinking of what is possible. Imagine if cars didn... | 29 | 11 | [
{
"comment_id": "6362814",
"author": "srgh",
"timestamp": "2021-07-08T18:00:17",
"content": "Microcontroler didn’t not change anything. My Lifan 168f has 100% mechanic speed control. I think even comunist could make speed control because my friend has PAB-2 agregat and it always run 50 Hz voltage.PS... | 1,760,373,025.100664 | ||
https://hackaday.com/2021/07/09/3d-printed-parts-make-for-a-quick-electric-scooter-build/ | 3D Printed Parts Make For A Quick Electric Scooter Build | Lewin Day | [
"3d Printer hacks"
] | [
"drill",
"electric scooter",
"power drill",
"scooter"
] | Sometimes, walking even a short distance can grow boring if it’s a part of your regular routine. [Alexandre Chappel] found himself in just such a position,
so elected to quickly whip up a scooter to get around on.
The build is very much of the “parts laying around the shop” genre. An old skateboard deck was fitted with... | 13 | 8 | [
{
"comment_id": "6363105",
"author": "Osgeld",
"timestamp": "2021-07-09T20:50:22",
"content": "The scooter is a hack I’ll give ya that but are we not past the point of “3d printers make parts”Next headline welder joins metal to make stuff",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,025.152054 | ||
https://hackaday.com/2021/07/09/raspberry-pi-cameras-stand-in-for-stereo-microscope/ | Raspberry Pi Cameras Stand In For Stereo Microscope | Tom Nardi | [
"Raspberry Pi",
"The Hackaday Prize",
"Tool Hacks"
] | [
"2021 Hackaday Prize",
"Raspberry pi camera",
"Raspberry Pi Compute Module",
"stereo microscope",
"stereoscopic"
] | Handling tiny surface mount components and inspecting PCBs is a lot easier with a nice stereo microscope, but because of their cost and bulk, most hobbyists have to do without. At best they might have a basic digital microscope, but with only one camera, they can only show a 2D image that’s not ideal for detail work.
T... | 9 | 5 | [
{
"comment_id": "6363070",
"author": "CRJEEA",
"timestamp": "2021-07-09T18:51:12",
"content": "I’m not sure about the RasPi camera but I know a few cheap webcams have screw in lenses. Adjusting them can bring at least 80x magnification all be it at pretty close range.I’ve used them for taking pictur... | 1,760,373,025.499955 | ||
https://hackaday.com/2021/07/09/checking-up-on-earths-sister-planet-nasas-upcoming-venus-missions/ | Checking Up On Earth’s Sister Planet: NASA’s Upcoming Venus Missions | Maya Posch | [
"Featured",
"Interest",
"News",
"Original Art",
"Science",
"Slider",
"Space"
] | [
"DaVinci",
"venus",
"VERITAS"
] | Even as we bask in the knowledge that our neighboring planet Mars is currently home to a multitude of still functional landers, a triplet of rovers and with an ever-growing satellite network as well as the first ever flying drone on another planet, our other neighboring planet Venus is truly playing the wallflower, wit... | 36 | 11 | [
{
"comment_id": "6363066",
"author": "Oneiridescent",
"timestamp": "2021-07-09T18:13:11",
"content": "Nicely written. Couldn’t believe, I actually read the whole of it (usually I look for shorter posts) ! Comprehensive and informative.Floating colony would be fascinating !",
"parent_id": null,
... | 1,760,373,025.445804 | ||
https://hackaday.com/2021/07/09/hackaday-podcast-126-cable-3d-scanner-tesla-charger-robot-ultrasonic-anemometer-and-a-zoetrope/ | Hackaday Podcast 126: Cable 3D-Scanner, Tesla Charger Robot, Ultrasonic Anemometer, And A Zoetrope | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"Hackaday Podcast"
] | Hackaday editors Elliot Williams and Mike Szczys dive into a week of exceptional hacks. Tip-top of the list has to be the precision measuring instrument that uses a cable spooling mechanism. There’s news that the Starlink base station firmware has been dumped and includes interesting things like geofencing for the deve... | 0 | 0 | [] | 1,760,373,025.217958 | ||
https://hackaday.com/2021/07/09/eliminate-vertical-stabiliser-with-arduplane/ | Eliminate Vertical Stabiliser With ArduPlane | Danie Conradie | [
"drone hacks"
] | [
"ardupilot",
"electric airplane",
"flying wing",
"RC airplane"
] | Flying wings are popular options for fixed-wing FPV flying, but they have one rather annoying characteristic: yaw wag. The flying wing will wobble on the yaw axis while flying, and this side-to-side movement is visible on the pilot’s FPV video feed. With a
combination of split rudders and ArduPilot, [Think Flight] elim... | 5 | 4 | [
{
"comment_id": "6363041",
"author": "Eric Cherry",
"timestamp": "2021-07-09T15:54:15",
"content": "Way more interested in his wire cutter apparatus.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6363060",
"author": "fiddlingjunky",
"timesta... | 1,760,373,025.260611 | ||
https://hackaday.com/2021/07/09/this-week-in-security-print-nightmare-continues-ransomware-goes-bigger-and-atm-jackpots/ | This Week In Security: Print Nightmare Continues, Ransomware Goes Bigger, And ATM Jackpots! | Jonathan Bennett | [
"Hackaday Columns",
"News",
"Security Hacks"
] | [
"NFC",
"Print Nightmare",
"ransomware",
"This Week in Security"
] | For the second time, Microsoft
has attempted and failed to patch the PrintNightmare vulnerability
. Tracked initially as CVE-2021-1675, and the second RCE as CVE-2021-34527.
We warned you about this last week
, but a few more details are available now. The original reporter, [Yunhai Zhang] confirms our suspicions, stat... | 29 | 8 | [
{
"comment_id": "6363021",
"author": "Bret Tschacher",
"timestamp": "2021-07-09T14:32:33",
"content": "JUST GOES TO SHOW, THE MORE COMPLICATED YOU MAKE SOMETHING SO THAT IT WILL WORK, THE MORE COMPLICATED YOU MAKE SOMETHING TO MAKE SO THAT IT WILL WORK !!!!!! Then you have to make it more complica... | 1,760,373,025.567266 | ||
https://hackaday.com/2021/07/09/10-gigabit-ethernet-for-the-pi/ | 10 Gigabit Ethernet For The Pi | Al Williams | [
"Network Hacks",
"Raspberry Pi"
] | [
"10 Gbe",
"10gbps",
"cat 6 cable",
"ethernet",
"raspberry pi"
] | When people like Bell and Marconi invented telephones and radios, you have to wonder who they talked to for testing. After all, they had the first device. [Jeff] had a similar problem. He got a
10 gigabit network card working
with the Raspberry Pi Compute Module. But he didn’t have any other fast devices to talk to. Si... | 31 | 7 | [
{
"comment_id": "6362981",
"author": "ian 42",
"timestamp": "2021-07-09T11:18:21",
"content": "I too would like to go to 10 Gbe, the trouble is the switch’s (that can actually do it) are very expensive..The problem is that when 1Gbe came cheap enough to do at home (long time ago now, ie 20+ years) i... | 1,760,373,025.770356 | ||
https://hackaday.com/2021/07/08/bringing-the-game-boy-camera-into-the-21st-century/ | Bringing The Game Boy Camera Into The 21st Century | Jenny List | [
"digital cameras hacks",
"Nintendo Game Boy Hacks"
] | [
"game boy camera",
"pi zero",
"wifi"
] | The Game Boy Camera is probably one of the most limited-specification digital cameras to have been mass-marketed, yet it occupies a special position in the hearts of many because despite being a toy with a paltry 128×128 monochrome sensor it was for many the first camera they owned. [Matt Grey] was among those people, ... | 6 | 6 | [
{
"comment_id": "6362800",
"author": "Shannon",
"timestamp": "2021-07-08T16:44:24",
"content": "Oh look, it’s the bounciest man on the internet, Matt Gray.I don’t really get the love of the Game Boy camera, but I guess this is a nice project to keep that love strong.",
"parent_id": null,
"de... | 1,760,373,025.700582 | ||
https://hackaday.com/2021/07/08/electric-land-speed-racing-can-be-lightning-fast/ | Electric Land Speed Racing Can Be Lightning Fast | Lewin Day | [
"car hacks",
"Hackaday Columns",
"Original Art"
] | [
"electric vehicle",
"ev",
"land speed racing"
] | Land speed racing is a pursuit of ultimate speed above all else. Most cars typically run on huge, flat salt pans, and racers run flat out for miles in a straight line, attempting to push their machines to the limit. Like most motorsports, the history of land speed racing has traditionally been centred around internal c... | 4 | 2 | [
{
"comment_id": "6362773",
"author": "Jerry",
"timestamp": "2021-07-08T14:31:49",
"content": "“The Great Salt Lake” seems to falling victim to the drought. Newspaper said (If you believe them) Lowest level ever.Perhaps more room to set speed records.",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,025.819693 | ||
https://hackaday.com/2021/07/08/c64-demo-no-c64/ | C64 Demo, No C64 | Dan Maloney | [
"Retrocomputing"
] | [
"1541",
"c64",
"dac",
"demo",
"demoscene",
"floppy",
"floppy music",
"pal",
"serial",
"sync"
] | Never underestimate the ingenuity of the demoscene. The self-imposed limitations lead to incredible creativity, and, the range of devices they manage to get their demos running on never ceases to amaze us. But we never thought we’d see
a C64 demo without one central component: the C64
.
Full disclosure: [Matthias Kramm... | 24 | 15 | [
{
"comment_id": "6362731",
"author": "shrad",
"timestamp": "2021-07-08T11:40:01",
"content": "Mind boggled!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6362739",
"author": "Alysson Rowan",
"timestamp": "2021-07-08T11:57:24",
"content": "Mind bog... | 1,760,373,025.991001 | ||
https://hackaday.com/2021/07/08/dial-a-sid-is-a-glorious-chiptune-jukebox/ | Dial-a-SID Is A Glorious Chiptune Jukebox | Lewin Day | [
"classic hacks",
"Musical Hacks",
"Retrocomputing"
] | [
"chiptunes",
"sid",
"sid chip"
] | Old-school rotary telephones aren’t particularly useful for their original intended purpose in this day and age, but they’re great fun to hack into new projects. [Linus Åkesson] has done just that, with his
Dial-a-SID jukebox build
. (Video, embedded below.)
The build installs a Raspberry Pi 3 inside the body of the te... | 8 | 6 | [
{
"comment_id": "6362705",
"author": "Arif Hossain",
"timestamp": "2021-07-08T08:17:59",
"content": "Actually, this wrestling with a physical print-out + physical box is a really cool concept. Instead of people randomly tossing tunes from their private device, they’re “forced” to interact with a ph... | 1,760,373,025.860218 | ||
https://hackaday.com/2021/07/07/hamster-trades-crypto-better-than-you/ | Hamster Trades Crypto Better Than You | Bryan Cockfield | [
"Lifehacks"
] | [
"arduino",
"crypto",
"cryptocurrency",
"currency",
"hamster",
"live stream",
"nano",
"random",
"trading"
] | The inner machinations of the mind of cryptocurrency markets are an enigma. Even traditional stock markets often seem to behave at random, to the point that several economists seriously suggest that various non-human animals might outperform one market or another just by random chance alone. The classic example is a mo... | 19 | 9 | [
{
"comment_id": "6362666",
"author": "Robb Smith",
"timestamp": "2021-07-08T03:55:03",
"content": "Hopefully Mr. Goxx will enjoy a long and happy life, unlike say, Rabio the Octopus.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362669",
"author": ... | 1,760,373,025.931258 | ||
https://hackaday.com/2021/07/07/drink-water-on-schedule-or-else-flood-your-desk/ | Drink Water On Schedule Or Else Flood Your Desk | Kristina Panos | [
"Arduino Hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"arduino",
"Arduino Uno",
"drinking water",
"hydration",
"pomodoro",
"water pump"
] | How much water have you had to drink today? We would venture to guess that the answer is somewhere between ‘absolutely none’ and ‘not not nearly enough’. You can go ahead and blame poor work/life balance — that’s our plan, anyway — and just try to do better. All this working from home means the bathroom situation is no... | 47 | 21 | [
{
"comment_id": "6362621",
"author": "Andy Pugh",
"timestamp": "2021-07-07T23:15:16",
"content": "I wonder what evolutionary pressure has led our thirst instinct to make us drink less than is optimal?Or has it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,373,026.073941 | ||
https://hackaday.com/2021/07/07/a-plastic-injection-machine-you-can-use-at-home/ | A Plastic Injection Machine You Can Use At Home | Lewin Day | [
"Misc Hacks"
] | [
"injection molding",
"machinery",
"plastic"
] | 3D printing is all well and good if you want one of something, but if you want lots of plastic parts that are all largely identical, you should consider injection molding. You can pay someone to do this for you, or, in true hacker fashion,
you can build an entire injection molding setup in your own garage, as [Action B... | 25 | 11 | [
{
"comment_id": "6362592",
"author": "JWhitten",
"timestamp": "2021-07-07T21:36:13",
"content": "That’s pretty slick. I’ve been wanting to build one of these for a while now, and it’s good to see such a great DIY concept model.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,373,026.152809 | ||
https://hackaday.com/2021/07/06/open-source-ultrasonic-anemometer/ | Open Source Ultrasonic Anemometer | Danie Conradie | [
"Tech Hacks"
] | [
"anemometer",
"ultrasonic sensor",
"weather station",
"wind sensor"
] | Weather stations are a popular project for experimenting with various environmental sensors, and for wind speed and direction the choice is usually a simple cup anemometer and wind vane. For [Jianjia Ma]’s
QingStation
, he decided to build another type of wind sensor: An ultrasonic anemometer.
Ultrasonic anemometers ha... | 12 | 6 | [
{
"comment_id": "6362213",
"author": "vazhnov",
"timestamp": "2021-07-06T12:11:27",
"content": "CC BY-NC 4.0 License — it’s not opensource.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362217",
"author": "Iván Stepaniuk",
"timestamp": "202... | 1,760,373,026.358975 | ||
https://hackaday.com/2021/07/06/bellow-cooled-pc-is-a-well-engineered-display-piece/ | Bellow-Cooled PC Is A Well Engineered Display Piece | Danie Conradie | [
"computer hacks"
] | [
"bellows",
"diy perks",
"Gaming Computer",
"PC cooling"
] | The cooling systems on high-performance PCs are often a large part of their visual appeal, but we’ve never seen anything like [DIY Perks]’ latest build: A massive
bellow-cooled PC
.
The system is derived from a
silent bellow system
built by [DIY Perks] in 2020. It uses a clever combination of hydraulics and neodymium m... | 19 | 10 | [
{
"comment_id": "6362175",
"author": "Jonathan Bennett",
"timestamp": "2021-07-06T08:15:57",
"content": "“Bellow-Cooled PC” is a better title in every way than “World’s First Breathing PC”. Well done.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6362183",
... | 1,760,373,026.286022 | ||
https://hackaday.com/2021/07/05/how-to-drive-smartphone-screens-over-hdmi/ | How To Drive Smartphone Screens Over HDMI | Lewin Day | [
"Phone Hacks"
] | [
"dsi",
"hdmi",
"iphone",
"mipi",
"mipi dsi",
"smartphone"
] | Compared to most small LCDs sold to makers, smartphone screens boast excellent color, brightness, and insanely high resolution. Unfortunately, driving them is rarely straightforward. In an attempt to make it easier,
[peng-zhihui] set about developing tools to allow such screens to be driven from a simple HDMI feed.
For... | 22 | 8 | [
{
"comment_id": "6362152",
"author": "Prasad",
"timestamp": "2021-07-06T05:14:21",
"content": "cool – could use this as UV PCB exposer ; look forward to further developments",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362157",
"author": "Gravis",... | 1,760,373,026.520314 | ||
https://hackaday.com/2021/07/05/you-can-put-toothpaste-in-the-tube-with-effort/ | You Can Put Toothpaste In The Tube (With Effort) | Bryan Cockfield | [
"Science"
] | [
"air pressure",
"chamber",
"idiom",
"pump",
"toothpaste",
"tube",
"vacuum"
] | Old wives’ tales, folk knowledge, common sayings, and even cliches and idioms are often taken as givens since they form an often unnoticed part of our vocabulary and culture. There’s so many examples that it’s possible to fill a 17-season TV show busting potential myths like these, and even then there are some that sli... | 20 | 9 | [
{
"comment_id": "6362136",
"author": "mrehorst",
"timestamp": "2021-07-06T02:06:44",
"content": "Now that that problem has been solved, we have to figure out how to unring a bell…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362149",
"author": "In... | 1,760,373,026.635045 | ||
https://hackaday.com/2021/07/05/wooden-linear-clock-aided-by-gps/ | Wooden Linear Clock Aided By GPS | Matthew Carlson | [
"clock hacks",
"Microcontrollers"
] | [
"cnc",
"gnss",
"linear clock",
"stm32",
"stm32g0",
"walnut"
] | The notion of segmenting and quantizing the day into discrete segments of time is perhaps one of the most human things we do. Heralding back to a simpler era when a day was just a progression of sunrise to sunset, [James Wilson] created a
beautiful linear clock that shows time as progress throughout the day
.
For previ... | 23 | 7 | [
{
"comment_id": "6362121",
"author": "Hirudinea",
"timestamp": "2021-07-05T23:46:14",
"content": "Very nice looking, he should add a thermometer function, red for C+ and blue for C- (well I’m assuming outside temp.)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,373,026.576128 | ||
https://hackaday.com/2021/07/05/diy-air-quality-sensor/ | DIY Air Quality Sensor | Chris Lott | [
"home hacks",
"The Hackaday Prize"
] | [
"2021 Hackaday Prize",
"Air quality sensors",
"home automation",
"weather monitor"
] | [Andrew Lamchenko], who has built a number of small e-ink-based sensors this year, released another design called the
eON Indoor Air Quality Sensor
. As his previous sensor designs, the eON boasts a striking appearance with all the spit and polish of a commercially made product. Except [Andrew]’s design is completely o... | 6 | 3 | [
{
"comment_id": "6362115",
"author": "anon",
"timestamp": "2021-07-05T21:37:23",
"content": "No particulate sensor? Meh",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6362119",
"author": "RÖB",
"timestamp": "2021-07-05T23:32:14",
"con... | 1,760,373,026.909358 | ||
https://hackaday.com/2021/07/05/how-to-make-a-collapsible-container-without-breaking-down/ | How To Make A Collapsible Container Without Breaking Down | Kristina Panos | [
"3d Printer hacks",
"Misc Hacks"
] | [
"3D printed mold",
"3D printed molds",
"collapsible",
"durometer",
"Shore durometer",
"silicone",
"sla printing"
] | How hard could it be to make a collapsible silicone container? Turns out, it’s really, really hard — collapsible containers have rigid guidelines. Just ask [Eric Strebel], who
failed dozens of times before finally getting it right
(video, embedded below).
[Eric] started with an SLA-printed two-part mold and a silicone ... | 5 | 4 | [
{
"comment_id": "6362088",
"author": "Canoe",
"timestamp": "2021-07-05T17:48:41",
"content": "Overseas makers:We just wanted everything done fast. To free the mold for the next one, we pulled them out as soon as they’d keep their shape, and collapsed them to save space…",
"parent_id": null,
... | 1,760,373,026.7373 | ||
https://hackaday.com/2021/07/04/hacking-a-thermal-imager-for-dual-use-of-the-thermal-sensor/ | Hacking A Thermal Imager For Dual-use Of The Thermal Sensor | Donald Papp | [
"digital cameras hacks",
"Peripherals Hacks"
] | [
"HT-A1",
"oem",
"seek",
"Thermal",
"thermal imager"
] | Sometimes a device doesn’t do quite what one needs, and in those cases a bit of tampering might do the trick. That’s what led to
being able to record video from a HTI HT-A1 thermal imager
despite the device not actually supporting that function, thanks to careful investigation and warranty violation.
Plugging in a cust... | 3 | 3 | [
{
"comment_id": "6361935",
"author": "Michael",
"timestamp": "2021-07-04T21:00:33",
"content": "Can you make the image display in red white and blue?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6361967",
"author": "Adrian",
"timestamp": "2021-07-05T... | 1,760,373,026.680058 | ||
https://hackaday.com/2021/07/04/machine-extrudes-filament/ | Machine Extrudes Filament | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"filament extruder",
"PLA"
] | We’ve seen a lot of homebrew filament extruders, but [Stefan] at CNC Kitchen shows off a commercial desktop filament extruder in his
latest video
, which you can see below. The 3DEVO extruder is pretty slick but at around $7,000-$8,000 we probably won’t rush out and buy one. We might, though, get some ideas from it for... | 28 | 7 | [
{
"comment_id": "6361890",
"author": "Observer",
"timestamp": "2021-07-04T17:43:59",
"content": "The closed-loop mechanism for drawing the filament to final diameter is interesting. The heart of it, of course, is the filament-measuring sensor. I wonder how that works.It occurs to me that you might b... | 1,760,373,026.801948 | ||
https://hackaday.com/2021/07/04/vintage-remote-control-gets-bluetooth-upgrade/ | Vintage Remote Control Gets Bluetooth Upgrade | Tom Nardi | [
"classic hacks",
"Peripherals Hacks"
] | [
"bluetooth",
"human interface device",
"TV remote",
"ultrasonic",
"vintage hardware"
] | This swanky Magnavox remote is old enough to predate the use of infrared, and actually relies on ultrasound to communicate with the television. It’s a neat conversation starter, but not terribly useful today. Which is why
[Chad Lawson] decided to gut the original electronics and replace it with a Adafruit Feather 32u4 ... | 20 | 6 | [
{
"comment_id": "6361849",
"author": "jenningsthecat",
"timestamp": "2021-07-04T14:15:10",
"content": "Electronics? Heck, that original Magnavox remote is positively modern compared with the first TV remote I ever laid hands on! It was a Zenith. Four buttons, each of which cocked and released a kind... | 1,760,373,026.863132 | ||
https://hackaday.com/2021/07/04/this-arduino-isnt-color-blind/ | This Arduino Isn’t Color Blind | Al Williams | [
"Arduino Hacks"
] | [
"color sensor",
"TCS230",
"TCS3200"
] | You can sense a lot of things with the right sensor, and [Nikhil Nailwal] is here to show us how to
sense colors
using a TCS230. The project is a simple demo. It displays the color and lights up an LED to correspond to the detected color.
If you haven’t seen the TCS230 before, it is a chip with an array of photosensors... | 5 | 3 | [
{
"comment_id": "6361913",
"author": "lacmacfactac",
"timestamp": "2021-07-04T19:45:36",
"content": "I find the APDS 9960 sensor a lot easier to use, and it can also detect up-down-left-right gestures out of the box, and can work as a basic proximity sensor as well.",
"parent_id": null,
"dep... | 1,760,373,027.021298 | ||
https://hackaday.com/2021/07/04/extreme-canine-mask-for-protection-from-foxtails/ | Extreme Canine Mask For Protection From Foxtails | Danie Conradie | [
"Misc Hacks"
] | [
"3d printed",
"dog",
"forming",
"foxtail",
"mask"
] | Our canine partners are fortunately not affected by the current global pandemic, but it turns out there are other dangers that might necessitate them to wearing masks: Foxtail seeds. After getting a $400 vet bill for extracting a foxtail from his dog, [Hildeguard]’s ear, [Amos Dudley] decided to take the threat serious... | 33 | 15 | [
{
"comment_id": "6361823",
"author": "Dan",
"timestamp": "2021-07-04T08:54:15",
"content": "That just looks awesome!It’s a cyberpunk dog helmet!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6361828",
"author": "Alexander Wikström",
"timesta... | 1,760,373,026.978481 | ||
https://hackaday.com/2021/07/03/internet-chess-on-a-real-chessboard/ | Internet Chess On A Real Chessboard | Al Williams | [
"Games",
"internet hacks"
] | [
"chess",
"chess board",
"ChessBoard",
"opencv"
] | The Internet teaches us that we can accept stand-ins for the real world. We have an avatar that looks like us. We have virtual mailboxes to read messages out of make-believe envelopes. If you want to play chess, you can play with anyone in the world, but on a virtual board. Or, you can use [karayaman’s] software to
pla... | 5 | 5 | [
{
"comment_id": "6361804",
"author": "Gravis",
"timestamp": "2021-07-04T05:40:52",
"content": "It’s funny because in computer vision you calibrate cameras using a chess board pattern. Big fan of OpenCV.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6361811",... | 1,760,373,027.141102 | ||
https://hackaday.com/2021/07/03/hacking-old-honda-ecus/ | Hacking Old Honda ECUs | Chris Lott | [
"car hacks"
] | [
"ecu hack",
"Honda engine",
"reverse engineering"
] | Automotive security specialist by day [P1kachu] hacks his own cars as a hobby in his free time. He recently began to
delve into the Engine Control Units (ECUs)
of the two old Hondas that he uses to get around in Japan. Both the 1996 Integra and the 1993 Civic have similar engines but different ECU hardware. Making thin... | 21 | 14 | [
{
"comment_id": "6361786",
"author": "James",
"timestamp": "2021-07-04T02:13:15",
"content": "https://hackaday.com/2021/07/02/dumping-90s-honda-ecu-programming-with-arduino/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6361787",
"author": "irox",
"ti... | 1,760,373,027.399163 |
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