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https://hackaday.com/2022/06/03/a-rotocasting-machine-sized-for-the-home-shop/
A Rotocasting Machine Sized For The Home Shop
Dan Maloney
[ "Tool Hacks" ]
[ "casting", "mold", "polyurethane", "rotational", "silicone" ]
https://hackaday.com/wp-….11.52.png?w=800
If you’ve ever wondered how large, hollow plastic structures like tanks and drums are formed, you’re in luck: [Andy] not only fills us in on the details of rotational casting and molding, but he also built this sweet little rotational casting machine to help him with his DIY projects. Granted, [Andy]’s build won’t be m...
5
3
[ { "comment_id": "6480669", "author": "rasz_pl", "timestamp": "2022-06-03T13:16:44", "content": "Rotational casting is so weird. It almost looks like it shouldn’t work, for example this:https://www.youtube.com/watch?v=1PxhgC5iG7I", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,676.459092
https://hackaday.com/2022/05/31/saving-birds-with-3d-printed-boats/
Saving Birds With 3D Printed Boats
Bryan Cockfield
[ "3d Printer hacks" ]
[ "3d printing", "birds", "boat", "bodyboard", "conservation", "lake", "remote control", "sensor", "water", "wildlife" ]
https://hackaday.com/wp-…e-main.png?w=800
Montana, rightfully nicknamed the big sky country, is a beautiful state with abundant wide open landscapes, mountains, and wildlife. It’s a fantastic place to visit or live, but if you happen to reside in the city of Butte, that amazing Montana landscape is marred by the remnants of an enormous open pit mine. Not only ...
22
8
[ { "comment_id": "6479949", "author": "Josiah Gould", "timestamp": "2022-06-01T05:06:54", "content": "I have to wonder, can the water be cleaned or removed? Seems like a big old strip pit would be a good place for a landfill. The site is already toxic.", "parent_id": null, "depth": 1, "re...
1,760,372,676.516846
https://hackaday.com/2022/05/31/retrotechtacular-clay-pipe-the-hard-way/
Retrotechtacular: Clay Pipe The Hard Way
Dan Maloney
[ "Retrotechtacular" ]
[ "clay", "manufacturing", "pipe", "retrotechtacular", "stoneware" ]
https://hackaday.com/wp-…5/pipe.png?w=800
Troll YouTube long enough and chances are good that you’ll come across all kinds of videos of the “How It’s Made” genre. And buried in with the frying pans and treadmills and dental floss manufacturers, there no doubt will be deep dives on how pipe is made. Methods will vary by material, but copper, PVC, cast iron, or ...
28
10
[ { "comment_id": "6479926", "author": "Man", "timestamp": "2022-06-01T02:33:05", "content": "Casual work attire means no tie.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6479933", "author": "Dale Kaup", "timestamp": "2022-06-01T03:07:44", "conten...
1,760,372,676.421606
https://hackaday.com/2022/05/31/remote-screen-viewer-is-text-only/
Remote Screen Viewer Is Text-Only
Bryan Cockfield
[ "computer hacks" ]
[ "administration", "client", "command line", "console", "gui", "minecraft", "python", "remote desktop", "server", "text" ]
https://hackaday.com/wp-…e-main.png?w=800
Have you been slowly falling down a rabbit hole of Stallman-like paranoia of computers ever since installing Ubuntu for the first time in 2007? Do you now abhor anything with a GUI, including browsers? Do you check your mail with the command line even though you’re behind seven proxies? But, do you still want to play M...
5
5
[ { "comment_id": "6479905", "author": "CRJEEA", "timestamp": "2022-06-01T00:07:35", "content": "I find the irony of text mde not displaying text amusing.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6479906", "author": "CRJEEA", "timestamp": "2022-06-...
1,760,372,676.555199
https://hackaday.com/2022/05/31/how-to-move-a-full-sized-church-organ-from-a-house-to-a-museum/
How To Move A Full-Sized Church Organ From A House To A Museum
Robin Kearey
[ "Musical Hacks" ]
[ "church organ", "MIDI controlled", "museum piece", "pipe organ" ]
https://hackaday.com/wp-…-Organ.png?w=800
As electronics hobbyists we are grateful to our spouses and flatmates who gracefully tolerate all of our weird equipment and chaotic projects in their homes. But it takes a different level of dedication to share one’s home with a pipe organ enthusiast: back in the 1970s, one organist in Bristol went to the effort of in...
11
7
[ { "comment_id": "6479829", "author": "mrehorst", "timestamp": "2022-05-31T20:15:59", "content": "I live in Milwaukee where a lot of old houses had pipe organs. You still see them, or pieces of them, coming up for sale once in a while.", "parent_id": null, "depth": 1, "replies": [ {...
1,760,372,676.957859
https://hackaday.com/2022/05/31/at-last-a-cyberdeck-you-might-want-to-use/
At Last! A Cyberdeck You Might Want To Use
Jenny List
[ "Cyberdecks" ]
[ "cyberdeck", "raspberry pi", "waveshare" ]
https://hackaday.com/wp-…atured.jpg?w=800
Cyberdecks make for interesting projects, some are a bit rough while others are beautiful, but it’s maybe something that even the most ardent enthusiast might agree — these home-made portable computers aren’t always the most convenient to use. Thus we’re very pleased to see this machine from [TRL], as it takes the cybe...
14
7
[ { "comment_id": "6479802", "author": "RW ver 0.0.1", "timestamp": "2022-05-31T18:47:50", "content": "Tempting, I have lusted after the HX-20, Z88, NC200 etc for many a year, like the idea of a keyboard large enough to use on the hoof, with screen compact enough not to get in the way while doing so."...
1,760,372,676.64445
https://hackaday.com/2022/05/31/junk-i-bought-my-psu-just-wont-do/
Junk I Bought: My PSU Just Won’t Do
Jenny List
[ "Hackaday Columns", "Slider" ]
[ "fake", "power supply", "psu" ]
https://hackaday.com/wp-…atured.jpg?w=800
I have an Acer monitor that I’ve owned for around 15 years, and thanks to my having paid extra at the time for the model sporting a DVI socket for HDMI compatibility it still finds a place as one of my desktop monitors. It has a power brick that supplies it with 1 2V at 4.5 A, and over the years this has developed an a...
98
34
[ { "comment_id": "6479771", "author": "Andrew", "timestamp": "2022-05-31T17:12:16", "content": "I never thought my VR-monitor failing could have something to do with a fake PSU but that explains a lot. I feel both relieved and dumb… thanks.", "parent_id": null, "depth": 1, "replies": [] ...
1,760,372,676.906857
https://hackaday.com/2022/05/31/panelize-pcbs-graphically-with-hm-panelizer/
Panelize PCBs Graphically With Hm-panelizer
Dave Rowntree
[ "Software Hacks" ]
[ "Gerber Panelizer", "gerbers", "mouse bites", "panelisation", "pcb" ]
https://hackaday.com/wp-…atured.png?w=800
When you’re working with PCBs and making single units to knock out in those Chinese fabs, going from layout to manufacturable Gerber files is just a few button presses, no matter what PCB layout tool you prefer. But, once you get into producing sets of PCBs that form a larger system, or are making multiple copies for e...
14
5
[ { "comment_id": "6479764", "author": "morgan", "timestamp": "2022-05-31T16:49:54", "content": "> In an ideal world, open source tools like KiCAD would have a built-in panelizerHopefully the improved scripting in future releases will allow building more complex UIs like this possible.", "parent_i...
1,760,372,676.68967
https://hackaday.com/2022/05/31/making-the-case-for-cobol/
Making The Case For COBOL
Maya Posch
[ "Interest", "Original Art", "Slider", "Software Development" ]
[ "cobol", "gcc", "gcc-cobol", "gnucobol" ]
https://hackaday.com/wp-…/COBOL.jpg?w=800
Perhaps rather unexpectedly, on the 14th of March this year the GCC mailing list received an announcement regarding the release of the first ever COBOL front-end for the GCC compiler. For the uninitiated, COBOL saw its first release in 1959, making it with 63 years one of the oldest programming language that is still i...
76
28
[ { "comment_id": "6479716", "author": "johnkabat", "timestamp": "2022-05-31T14:24:18", "content": "In 1974 while in the Air Force, I used COBOL to write an 8080 assembler for my Altair 8080. One of the things it included was free form input instead of the fixed fields normally used. It ran on a Burr...
1,760,372,677.077431
https://hackaday.com/2022/05/31/macbook-gets-nvme-ssd-with-help-of-a-bga-imitating-pcb/
Macbook Gets NVMe SSD With Help Of A BGA-Imitating PCB
Arya Voronova
[ "computer hacks", "Mac Hacks" ]
[ "M.2", "macbook", "NVMe", "pci express", "PCI-E", "PCIe" ]
https://hackaday.com/wp-…_feat.jpeg?w=800
Recently, we stumbled upon a video by [iBoff], adding an M.2 NVMe port to a 2011-2013 MacBook. Apple laptops never came with proper M.2 ports, especially the A1278 – so what’s up? The trick is – desoldering a PCIe-connected Thunderbolt controller, then soldering a BGA-like interposer PCB in place of where the chip was,...
12
6
[ { "comment_id": "6479718", "author": "philosiraptor117", "timestamp": "2022-05-31T14:39:36", "content": "NOW THATS A HACK!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6479724", "author": "Mark", "timestamp": "2022-05-31T14:51:56", "content": "If...
1,760,372,676.598147
https://hackaday.com/2022/05/31/ultra-light-voron-x-beam-milled-from-aluminium-tube-stock/
Ultra Light VORON X-Beam Milled From Aluminium Tube Stock
Maya Posch
[ "3d Printer hacks" ]
[ "CoreXY" ]
https://hackaday.com/wp-…x-beam.jpg?w=800
Voron X/Y carriage overview. When it comes to 3D printing using fused deposition modeling (FDM) technology, there are two main groups of printers: Cartesian and CoreXY, with the latter being the domain of those who wish to get the fastest prints possible, courtesy of the much more nimble tool head configuration. Having...
49
17
[ { "comment_id": "6479639", "author": "Jon H", "timestamp": "2022-05-31T08:35:55", "content": "Is that rigid enough?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479642", "author": "Rumble_in_the_Jungle", "timestamp": "2022-05-31T08:47:08",...
1,760,372,677.173938
https://hackaday.com/2022/05/30/expired-certificate-causes-german-payment-meltdown/
Expired Certificate Causes German Payment Meltdown
Jenny List
[ "Security Hacks" ]
[ "germany", "payment terminal", "verifone" ]
https://hackaday.com/wp-…atured.jpg?w=800
For most Hackaday readers the process of buying groceries this weekend has been a relatively painless one, however we’re guessing some of our German friends will have found their cards unexpectedly declined. The reason? A popular model of payment card terminal, the Verifone H5000, has suffered what has been described a...
83
15
[ { "comment_id": "6479604", "author": "Andrew", "timestamp": "2022-05-31T06:13:38", "content": "Verdammt!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479610", "author": "Deine Mutter", "timestamp": "2022-05-31T06:35:25", "content":...
1,760,372,677.285069
https://hackaday.com/2022/05/30/domino-row-goes-with-the-flow/
Domino Row Goes With The Flow
Michael Shaub
[ "hardware", "Robots Hacks" ]
[ "dominoes", "ieee", "linear actuator", "research", "servo", "soliton", "U Penn", "university of pennsylvania" ]
https://hackaday.com/wp-…atured.gif?w=800
Around here, we’re always excited about a new actuator design. Linear actuators are particularly hard to make cheap, fast, and good, so it’s even better when something new that we can build ourselves slides onto the scene. Researchers at U Penn’s Pikul Research Group took inspiration from the cascade of falling dominoe...
1
1
[ { "comment_id": "6479730", "author": "RW ver 0.0.3", "timestamp": "2022-05-31T15:04:15", "content": "Fascinating and innovative, but I wonder how it wears… got the friction between the “dominos” to take into account and should they scuff up a bit, it might jam things up eventually. Determining the m...
1,760,372,677.366425
https://hackaday.com/2022/05/30/can-you-build-an-industrial-grade-cnc-with-only-diy-resources/
Can You Build An Industrial Grade CNC With Only DIY Resources?
Dave Rowntree
[ "cnc hacks" ]
[ "CNC flatbed", "concrete", "I-beam", "metal" ]
https://hackaday.com/wp-….07.05.png?w=800
[FloweringElbow] aka [Bongo] on YouTube is certainly having a go at this, and we reckon he’s onto a winner! This epic flatbed CNC build (video, embedded below) starts with some second hand structural I-beam, with welded-on I-beam legs, DIY cast aluminium side plates and plenty of concrete to give a strong and important...
14
7
[ { "comment_id": "6479552", "author": "metalman", "timestamp": "2022-05-30T23:41:00", "content": "this is epic,kudos for bringing ancient skills forward and meldingthem with latest bits and bobs,phones and vinyl.surface plates made 400 years ago have been checked forflatness and are +- less than a mi...
1,760,372,677.421608
https://hackaday.com/2022/05/30/3d-printing-a-water-cooled-jet-engine/
3D Printing A Water-Cooled Jet Engine?
Dave Rowntree
[ "3d Printer hacks" ]
[ "3d printed", "jet engine", "resin printing", "water cooled" ]
https://hackaday.com/wp-….42.36.png?w=800
Everybody knows the trick to holding a candle flame to a balloon without it bursting — that of adding a little water before the air to absorb the heat from the relatively cool flame. So [Integza], in his quest to 3D print a jet engine wondered if the same principle could applied to a 3D printed combustion chamber . Fir...
14
4
[ { "comment_id": "6479504", "author": "Alex99a", "timestamp": "2022-05-30T20:19:31", "content": "Rocket engines usually duct the fuel or oxidizer through the jacket surrounding the combustion chamber to keep it cool. Not water… carrying water for that purpose would be rather inefficient, no?", "p...
1,760,372,677.47702
https://hackaday.com/2022/06/01/alternative-display-technologies-and-where-to-find-them/
Alternative Display Technologies And Where To Find Them
Arya Voronova
[ "Art", "Misc Hacks" ]
[ "3d", "art", "database", "display", "illusion", "screen" ]
https://hackaday.com/wp-…e_feat.png?w=800
[Blair Neal] has been working on an information database for artists and hackers – a collection of non-conventional display technologies available to us. We’ve covered this repository before, six years ago – since then, it’s moved to a more suitable platform, almost doubled in size, and currently covers over 40+ displa...
13
4
[ { "comment_id": "6480279", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-06-02T02:10:00", "content": "Interesting, but I thought it was going to take me to a web site with info on how to hook up to various displays, such as those found in the surplus market.", "parent_id": ...
1,760,372,677.333306
https://hackaday.com/2022/06/01/hackaday-prize-2022-house-ventilation-reverse-engineered-and-automated/
Hackaday Prize 2022: House Ventilation Reverse-Engineered And Automated
Arya Voronova
[ "home hacks", "Reverse Engineering", "The Hackaday Prize" ]
[ "2022 Hackaday Prize", "atmega32u4", "CC1101", "environment control", "smart home" ]
https://hackaday.com/wp-…b_feat.png?w=800
[Marcel] thought – what if he had more control over his house ventilation system? You could add some nifty features, such as automatically ventilating your house in the mornings when everyone’s away, only creating noise when nobody’s around to hear it. Sadly, most ventilation systems are not automation-friendly at all ...
5
2
[ { "comment_id": "6480351", "author": "Javier", "timestamp": "2022-06-02T09:59:26", "content": "Congraulations to Marcel for taming that AC!!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480481", "author": "marcelh1", "timestamp": "2022-06-...
1,760,372,677.514137
https://hackaday.com/2022/06/01/bulk-material-what-is-this-stuff-anyway/
Bulk Material — What IS This Stuff, Anyway?
Anne Ogborn
[ "Hackaday Columns", "hardware", "Slider" ]
[ "bulk material", "gummy bear" ]
https://hackaday.com/wp-…2-main.png?w=800
I hope last week’s introduction to bulk material handling got you all thinking up amazing hacks, and we’ll soon be reporting on DIY Cap’n Crunch Robots galore. This week we’ll look at how to measure particle sizes, separate particles, and even grind them up when you need to. Measuring Material Properties Last week we t...
13
10
[ { "comment_id": "6480173", "author": "Barry+Carter", "timestamp": "2022-06-01T18:26:21", "content": "Interesting stuff, thanks!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6480181", "author": "RW ver 0.0.3", "timestamp": "2022-06-01T19:06:04", "...
1,760,372,677.568464
https://hackaday.com/2022/06/01/new-resin-printing-method-creates-objects-in-seconds/
New Resin Printing Method Creates Objects In Seconds
Bryan Cockfield
[ "3d Printer hacks" ]
[ "3d printer", "centrifugal", "fast", "light", "research", "resin", "sla", "small", "spin" ]
https://hackaday.com/wp-…t-main.jpg?w=800
For anyone looking to buy a 3D printer at home, the first major decision that needs to be made is whether to get a resin printer or a filament printer. Resin has the benefits of finer detail, but filament printers are typically able to produce stronger prints. Within those two main camps are various different types and...
20
7
[ { "comment_id": "6480136", "author": "scott_tx", "timestamp": "2022-06-01T15:56:03", "content": "shame the objects are indescribable lumps", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480146", "author": "Jon H", "timestamp": "2022-06-01T16...
1,760,372,677.620558
https://hackaday.com/2022/06/01/rogue-waves-are-mysterious-and-big/
Rogue Waves Are Mysterious And Big
Lewin Day
[ "Featured", "Interest", "Original Art", "Science", "Slider" ]
[ "ocean", "oceanography", "rogue wave", "rogue waves", "waves" ]
https://hackaday.com/wp-…6/Wave.jpg?w=800
Stand by the shore and watch the waves roll in, and you’ll notice that most come in at roughly the same size. There’s a little variation, but the overwhelming majority don’t stand out from the crowd. On all but the stormiest of days, they have an almost soothing regularity about them. Every so often though, out on the ...
34
15
[ { "comment_id": "6480077", "author": "Reality Bites", "timestamp": "2022-06-01T14:06:58", "content": "Since the ships are insured and the owners almost never travel on them…. no changes will be made.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480097", ...
1,760,372,677.701998
https://hackaday.com/2022/06/01/english-words-in-french-gaming-non-merci/
English Words In French Gaming? Non Merci!
Jenny List
[ "Games" ]
[ "France", "french", "gaming", "language" ]
https://hackaday.com/wp-…atured.jpg?w=800
Are you a gamer? If you’re French, it seems that you shouldn’t be using so much English in pursuit of your goals. It’s a feature of an active language, that it will readily assimilate words from others. Pizza, karaoke, vuvuzela, parka, gateau, schadenfreude, they have all played their part in bringing a little je ne sa...
111
33
[ { "comment_id": "6480011", "author": "Viktor", "timestamp": "2022-06-01T11:02:26", "content": "No schematics?", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6480012", "author": "wolf+arthur", "timestamp": "2022-06-01T11:07:25", "content": "Remember...
1,760,372,678.274854
https://hackaday.com/2022/06/01/automatic-water-turret-keeps-grass-watered/
Automatic Water Turret Keeps Grass Watered
Bryan Cockfield
[ "home hacks", "Machine Learning" ]
[ "computer vision", "khadas", "machine learning", "neural processing", "SBC", "sprinkler", "turret", "vim3", "water" ]
https://hackaday.com/wp-…r-main.jpg?w=800
Summer is rapidly approaching (at least for those of us living in the Northern Hemisphere) and if you are having to maintain a lawn at your home, now is the time to be thinking about irrigation. Plenty of people have built-in sprinkler systems to care for their turf, but this is little (if any) fun for any children tha...
11
6
[ { "comment_id": "6479983", "author": "Colton", "timestamp": "2022-06-01T08:21:41", "content": ">grassThat’s anything but grass.Thats a garden full of green weed.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6480048", "author": "Adren", "tim...
1,760,372,677.980995
https://hackaday.com/2022/05/30/an-mp3-player-that-gives-off-nintendo-vibez/
An MP3 Player That Gives Off Nintendo Vibez
Orlando Hoilett
[ "digital audio hacks" ]
[ "audio", "codec", "mp3", "nintendo", "synthesizer", "vs1053" ]
https://hackaday.com/wp-…eature.jpg?w=800
We’re definitely pretty fond of the DIY MP3 players here at Hackaday, but we don’t think we’ve seen one like CartridgeMP3 from [jpet26] before. All the electrical components are what we’ve come to expect. [jpet26] uses the popular VS1053 decoder to read MP3 files stored on an SD card. He also includes a potentiometer f...
3
3
[ { "comment_id": "6479487", "author": "Dude", "timestamp": "2022-05-30T18:41:24", "content": "Not at all. Having just few pre-selected songs available is more in line with a cartridge system; you wouldn’t or couldn’t download just any game onto a cartridge either. You had Tetris, Super Mario 3, and t...
1,760,372,678.040989
https://hackaday.com/2022/05/30/practical-wireless-tele-tennis-build-after-only-34-years/
Practical Wireless “Tele-Tennis” Build After Only 34 Years
Dave Rowntree
[ "Games", "Retrocomputing" ]
[]
https://hackaday.com/wp-…atured.png?w=800
Home-etched PCBs ready for drilling Back in November 1974 the publication “Practical Wireless” produced a five-part article series showing the reader how to construct a version of the popular “pong” game that could be played on the television screen available in the typical British home. [Grant Searle] had wanted to bu...
8
5
[ { "comment_id": "6479443", "author": "Michael Black", "timestamp": "2022-05-30T14:26:17", "content": "In the US, a project wouldn’t have lasted five months. Either it would be crammed into one or two issues, or there’d be more an introductory article and yiu coukd send a dollar or so for plans. O...
1,760,372,678.134072
https://hackaday.com/2022/05/30/check-your-mailbox-using-the-airtag-infrastructure/
Check Your Mailbox Using The AirTag Infrastructure
Arya Voronova
[ "Mac Hacks", "Wireless Hacks" ]
[ "AirTag", "apple", "Apple AirTag", "bluetooth", "bluetooth low energy", "Find My", "nRF51", "nRF51822", "OpenHaystack", "tracker" ]
https://hackaday.com/wp-…x_feat.jpg?w=800
When a company creates an infrastructure of devices, we sometimes subvert this infrastructure and use it to solve tricky problems. For example, here’s a question that many a hacker has pondered – how do you detect when someone puts mail into your mailbox? Depending on the availability of power and wireless/wired connec...
32
14
[ { "comment_id": "6479427", "author": "111111z", "timestamp": "2022-05-30T12:54:05", "content": "That is really cool. I assumed the system that airtag uses could only be used by apple.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479607", "author":...
1,760,372,678.385981
https://hackaday.com/2022/05/30/using-a-laser-cutter-to-replicate-an-optical-comparator-screen/
Using A Laser Cutter To Replicate An Optical Comparator Screen
Robin Kearey
[ "Laser Hacks", "Repair Hacks", "Tool Hacks" ]
[ "angle measurement", "laser etching", "optical comparator" ]
https://hackaday.com/wp-…Screen.png?w=800
Precision instruments often contain specialized components that are essential to their function, but nearly impossible to replace if they fail. [Andre] had just such a problem with an optical comparator, which is an instrument typically used in machine shops to help check the tolerances of a finished part. It does this...
13
5
[ { "comment_id": "6479429", "author": "cncFriend", "timestamp": "2022-05-30T13:33:58", "content": "This and other videos by James are well worth watching. He is very detail oriented and states his reasoning very clearly.", "parent_id": null, "depth": 1, "replies": [] }, { "comment...
1,760,372,678.08599
https://hackaday.com/2022/05/29/laser-engraving-hairlines-when-a-line-isnt-a-line/
Laser-Engraving Hairlines: When A Line Isn’t A Line
Donald Papp
[ "Laser Hacks", "Retrocomputing" ]
[ "hairline", "laser engrave", "slide rule", "tektronix" ]
https://hackaday.com/wp-…irline.png?w=743
When is a line not a line? When it’s a series of tiny dots, of course! The line is actually tiny, laser-etched craters, 0.25 mm center-to-center. That’s the technique [Ed Nisley] used to create a super-fine, colored hairline in a piece of clear plastic — all part of his project to re-create a classic Tektronix analog c...
8
4
[ { "comment_id": "6479312", "author": "Rumble_in_the_Jungle", "timestamp": "2022-05-30T05:27:14", "content": "Photoresist, point source light, colimating lens – Bob’s your auntie.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479424", "author": "psu...
1,760,372,678.48195
https://hackaday.com/2022/05/29/inflatable-canoe-gets-remote-control-upgrade/
Autonomous Inflatable Canoe
Tom Nardi
[ "Robots Hacks", "Transportation Hacks" ]
[ "ardupilot", "remote controlled", "trolling motor", "watercraft" ]
https://hackaday.com/wp-…c_feat.jpg?w=800
With the summer months nearly upon us, many are dreaming of warm afternoons spent floating on a quiet lake. Unless you’re [Kolins] anyway. Apparently his idea of a good time is controlling a full-sized inflatable canoe not from onboard with a pair of oars, but from the shore with a RC transmitter . The linkage design a...
6
2
[ { "comment_id": "6479289", "author": "RW ver 0.0.1", "timestamp": "2022-05-30T03:34:11", "content": "“Autonomous” …https://pbs.twimg.com/media/DkAA_u6X0AEO-d9?format=jpg&name=largeIt’s a radio controlled boat, Tesla’s first mother of all demos a hundred years ago.", "parent_id": null, "depth...
1,760,372,678.318259
https://hackaday.com/2022/05/29/hackaday-links-may-29-2022/
Hackaday Links: May 29, 2022
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "Slider" ]
[ "007", "adhesive tape", "chip shortage", "crime", "delivery bot", "food science", "hackaday links", "James Bond", "license plate", "starship", "theft" ]
https://hackaday.com/wp-…banner.jpg?w=800
It looks like the ongoing semiconductor shortage isn’t getting any better, and if the recent spate of computer thefts from semi trucks is any indication, it’s only going to get worse. Thieves seem to be targeting the Freightliner Cascadia, probably the most popular heavy freight truck on the road in North America today...
15
9
[ { "comment_id": "6479197", "author": "Ostracus", "timestamp": "2022-05-29T23:10:30", "content": "“Nice positive feedback loop.”I have a suspicion guns will soon be involved, on both sides.” It turns out that rather than being lost, the bot was exactly where it wanted to be — the paved trail was actu...
1,760,372,678.434832
https://hackaday.com/2022/05/27/3d-print-a-colour-tv/
3D Print A Colour TV
Jenny List
[ "Arduino Hacks" ]
[ "arduino mega", "Color TV", "mechanical TV", "nipkow disk" ]
https://hackaday.com/wp-…atured.jpg?w=800
The oldest form of television used a spinning disk with a progression of holes — a Nipkow disk — to slice the image into lines for display. They’re surprisingly simple machines and capable of unexpectedly high-quality images despite their relatively low resolution. Even better, in an age of microcontrollers and bright ...
36
13
[ { "comment_id": "6478707", "author": "N2", "timestamp": "2022-05-28T02:50:21", "content": "I wonder if an addressable RGB LED could have been used for this project, some of them will refresh at 800KHz or faster.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": ...
1,760,372,678.561006
https://hackaday.com/2022/05/27/cityscape-multi-level-keyboard-really-stacks-up/
Cityscape Multi-Level Keyboard Really Stacks Up
Kristina Panos
[ "Peripherals Hacks" ]
[ "key wells", "keyboard", "pcb", "PCB architecture", "TTC KS32" ]
https://hackaday.com/wp-…eb-800.jpg?w=800
Keyboards with wells like the Maltron, the Kinesis Advantage family, and everything dactyl-esque out there are great. Trust us, we know this firsthand. But if you want to build your own curvy girl, how the heck can you implement that shape without 3D printing, clever woodworking, or access to tooling and plastic moldin...
0
0
[]
1,760,372,678.606414
https://hackaday.com/2022/05/27/electronic-catan-game-board-is-modular/
Electronic Catan Game Board Is Modular
Bryan Cockfield
[ "Games" ]
[ "board", "catan", "communications", "games", "mesh", "modular", "pcb", "pogo", "rgb", "rp2040", "TILE" ]
https://hackaday.com/wp-…c-main.jpg?w=800
Plenty of gamers around these parts require an expensive PC to play games, often spending thousands of dollars for a gaming machine. Believe it or not, though, there are entire classes of games that don’t require any electronics at all, but that doesn’t mean that they don’t benefit from the addition of some neat gadget...
6
3
[ { "comment_id": "6478662", "author": "paulvdh", "timestamp": "2022-05-27T21:50:50", "content": "Ever tried Widelands?It’s got a map called “settlers of wlatan” which also has strangely famiilar hexagonal shapes.https://www.widelands.org/maps/settlers-of-wlatan/", "parent_id": null, "depth": ...
1,760,372,678.655031
https://hackaday.com/2022/05/27/hackaday-prize-2022-pewpew-lcd-plays-with-python/
Hackaday Prize 2022: PewPew LCD Plays With Python
Arya Voronova
[ "handhelds hacks", "The Hackaday Prize" ]
[ "2022 Hackaday Prize", "CircuitPython", "handheld game", "Nokia LCD" ]
https://hackaday.com/wp-…d_feat.jpg?w=800
[deshipu] aka [Radomir Dopieralski] has been building educational handhelds for a good part of a decade now, and knows how to design hardware that makes for effective teaching. Today, we are graced with the PewPew LCD project, latest in the PewPew student-friendly handheld series, powered by CircuitPython. The goal for...
4
1
[ { "comment_id": "6478733", "author": "Drone", "timestamp": "2022-05-28T06:13:59", "content": "What is up with the hackaday.io page for this post? There’s a clickable image, I need to see a bigger version so I click it. A new tab automatically opens and nothing is displayed. The new tab says “(GIF Im...
1,760,372,678.705899
https://hackaday.com/2022/05/27/vintage-pro-audio-hack-chat-gets-in-the-groove/
Vintage Pro Audio Hack Chat Gets In The Groove
Tom Nardi
[ "Hackaday Columns", "Slider" ]
[ "audio", "Hack Chat", "microphone", "sound" ]
https://hackaday.com/wp-…19551.jpeg?w=800
Despite the fact that we’ve been doing them for years now, it’s still hard to predict how a Hack Chat will go. There’s no question it will be an hour of interesting discussion of course, that much is a given. But the dynamics of the conversation can range from a rigid Q&A, which isn’t exactly unexpected when you’ve onl...
3
2
[ { "comment_id": "6478636", "author": "Frank O.", "timestamp": "2022-05-27T19:24:14", "content": "Thanks all! It was fun, and great to share it with a community of like minded makers and hackers!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478794", ...
1,760,372,678.907573
https://hackaday.com/2022/05/27/hackaday-podcast-170-poop-shooting-laser-positron-is-a-3d-printer-on-its-head-diy-pulsar-capture-gpss-achilles-heel/
Hackaday Podcast 170: Poop Shooting Laser, Positron Is A 3D Printer On Its Head, DIY Pulsar Capture, GPS’s Achilles Heel
Tom Nardi
[ "Artificial Intelligence", "Hackaday Columns", "Podcasts", "Slider" ]
[ "Hackaday Podcast" ]
https://hackaday.com/wp-…ophone.jpg?w=800
Join Hackaday Editor-in-Chief Elliot Williams and Managing Editor Tom Nardi for a recap of all the best tips, hacks, and stories of the past week. We start things off with an update on Hackaday’s current slate of contests, followed by an exploration of the cutting edge in 3D printing and printables. Next up we’ll look ...
1
1
[ { "comment_id": "6478803", "author": "Caleb", "timestamp": "2022-05-28T15:25:12", "content": "Poop laser Caleb here. Fun to hear others excited about the project. And good podcast, didn’t know you guys ran it. I’ll have to tune in once and awhile", "parent_id": null, "depth": 1, "replies...
1,760,372,678.8181
https://hackaday.com/2022/05/27/toothbrush-goes-from-mouth-whitening-to-room-brightening/
Toothbrush Goes From Mouth-Whitening To Room-Brightening
Kristina Panos
[ "Tool Hacks" ]
[ "dollar store", "electric toothbrush", "flashlight", "led flashlight", "rechargeable" ]
https://hackaday.com/wp-…ht-800.jpg?w=800
Some of the hacks we see make us wonder why they aren’t already a commercial product, and this electric toothbrush turned rechargeable flashlight is one of them. Sure, these things exist, but we haven’t seen one with a dedicated charging stand. They usually just take micro USB or whatever, so it’s on you to remember to...
18
9
[ { "comment_id": "6478577", "author": "Catalin Voinescu", "timestamp": "2022-05-27T16:00:34", "content": "These exist as rechargeable emergency torches (flashlights). Some double as night lights (with PIR sensors) and/or emergency lights (on when power is off) while in the cradle. Most have charging ...
1,760,372,679.094286
https://hackaday.com/2022/05/28/ai-attempts-converting-python-code-to-c/
AI Attempts Converting Python Code To C++
Donald Papp
[ "Artificial Intelligence", "Software Development" ]
[ "ai", "c++", "code conversion", "Codex", "machine learning", "openai", "python" ]
https://hackaday.com/wp-…opilot.jpg?w=800
[Alexander] created codex_py2cpp as a way of experimenting with Codex , an AI intended to translate natural language into code. [Alexander] had slightly different ideas, however, and created codex_py2cpp as a way to play with the idea of automagically converting Python into C++. It’s not really intended to create robus...
31
11
[ { "comment_id": "6478910", "author": "Andrew", "timestamp": "2022-05-29T00:35:42", "content": "Next step: teach the AI to copy and paste from StackExchange.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478918", "author": "The Commenter Formerly Kn...
1,760,372,679.16381
https://hackaday.com/2022/05/28/hackaday-prize-2022-reuse-those-dip-chips-to-make-a-1980s-style-single-board-computer/
Hackaday Prize 2022: Reuse Those DIP Chips To Make A 1980s-Style Single-Board Computer
Robin Kearey
[ "classic hacks", "computer hacks" ]
[ "6502", "74xx", "dip chip", "single board computer" ]
https://hackaday.com/wp-…N6502.jpeg?w=800
With the Great Chip Shortage still delaying deliveries of new components, now might be a good time to look around your lab and inspect those piles of chips that you thought “might come in handy one day”. Chances are you’ll find a good stack of 74xx series logic, once ubiquitous but today mostly obsolete thanks to power...
30
8
[ { "comment_id": "6478862", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-05-28T20:06:07", "content": "Every now and then, I look into my IC stash (i.e. spreadsheet), and think,Hey! I have enough to build me an Olde Tyme Comfutre!I’ve looked at OSHPark for those type of boards p...
1,760,372,679.224479
https://hackaday.com/2022/05/28/3d-print-glass-with-a-laser-cutter/
3D Print Glass With A Laser Cutter
Jenny List
[ "3d Printer hacks" ]
[ "laser cutter", "powdered glass", "sintering", "sls" ]
https://hackaday.com/wp-…atured.jpg?w=800
We’re all familiar with FDM 3D printing, and some of the more well-heeled or adventurous among us may even have taken a faltering step into the world of SLA printers. But for most of us there’s a step further in 3D printing that remains beyond our reach. SLS, or Selective Laser Sintering, creates prints from powder by ...
15
7
[ { "comment_id": "6478854", "author": "sam13to", "timestamp": "2022-05-28T19:36:34", "content": "If there’s a fixed Z-height can this be called 3D printing?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478913", "author": "Gokce Yildirim", "...
1,760,372,679.339276
https://hackaday.com/2022/05/28/the-box-think-outside-of-it/
The Box: Think Outside Of It
Elliot Williams
[ "Hackaday Columns", "Rants" ]
[ "art", "creativity", "engineering" ]
https://hackaday.com/wp-…mation.jpg?w=800
There’s no single recipe for creativity, as far as I know. But this week on the Podcast, Tom Nardi and I were talking about a number of hacks that were particularly inventive, out-of-the-box, or just simply “how did they think of that?”. One possible route to something new is learning from other disciplines. We were ta...
19
6
[ { "comment_id": "6478793", "author": "Nick", "timestamp": "2022-05-28T14:41:12", "content": "Ancient texts are the mother of all invention if you can decipher them.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6478795", "author": "PWalsh", "timestamp...
1,760,372,679.288778
https://hackaday.com/2022/05/28/track-down-ghosts-in-your-wifi-with-the-pwnton-pack/
Track Down Ghosts In Your WiFi With The Pwnton Pack
Robin Kearey
[ "Security Hacks", "Wireless Hacks" ]
[ "ghostbusters", "penetration testing", "proton pack", "wireless security" ]
https://hackaday.com/wp-…n-Pack.png?w=800
If there’s something weird in your Network Neighborhood, who you gonna call? If you want your WiFi troubles diagnosed in style, try calling [Travis Kaun] — he might just show up wearing the amazing Pwnton Pack . Built from a replica Proton Pack similar to those used in the 1984 classic Ghostbusters , it’s a portable wi...
6
2
[ { "comment_id": "6478774", "author": "Ostracus", "timestamp": "2022-05-28T12:01:02", "content": "“Inside, it’s got a Mark VII WiFi Pineapple, which is a portable device designed for security testing purposes, as well as a Raspberry Pi running Pwnagotchi: a deep learning-based WiFi sniffer that aims ...
1,760,372,679.377218
https://hackaday.com/2022/05/28/linux-and-c-in-the-browser/
Linux And C In The Browser
Al Williams
[ "Linux Hacks", "Software Development", "Software Hacks" ]
[ "browser", "emulator", "linux" ]
https://hackaday.com/wp-…05/lin.png?w=800
There was a time when trying to learn to write low-level driver or kernel code was hard. You really needed two machines: one to work with, and one to screw up over and over again until you got it right. These days you can just spin up a virtual machine and roll it back every time you totally screw up. Much easier! We d...
45
13
[ { "comment_id": "6478752", "author": "BrightBlueJim", "timestamp": "2022-05-28T09:25:30", "content": "Oh, HELL no. This is like Linux From Scratch, only the target machine is an interpreter. So you get all the convenience of building a complete operating system from source packages, PLUS all of th...
1,760,372,679.456047
https://hackaday.com/2022/05/27/electronic-dice-is-introduction-to-microcontroller-programming/
Electronic Dice Is Introduction To Microcontroller Programming
Bryan Cockfield
[ "Microcontrollers" ]
[ "beginner", "dice", "die", "how-to", "microcontroller", "pic", "random number", "seven segment", "timer" ]
https://hackaday.com/wp-…-main.jpeg?w=800
By now most of us are familiar with the Arduino platform. It’s an inexpensive and fairly easy way into the world of microcontrollers. For plenty of projects, there’s no need to go beyond that unless you have a desire to learn more of the inner workings of microcontrollers in general. [Cristiano] was interested in expan...
10
5
[ { "comment_id": "6478743", "author": "J_B", "timestamp": "2022-05-28T07:59:30", "content": "Nice project. It explains the need for a seed to get better randomness. Very important!But is it a fair dice roll?Making it fair to ensure each value has equal chances of showing up instead of only making it ...
1,760,372,679.502582
https://hackaday.com/2022/05/27/this-week-in-security-good-faith-easy-forgery-and-i18n/
This Week In Security: Good Faith, Easy Forgery, And I18N
Jonathan Bennett
[ "Hackaday Columns", "News", "Security Hacks", "Slider" ]
[ "Digital ID", "This Week in Security", "zoom" ]
https://hackaday.com/wp-…rkarts.jpg?w=800
There’s a danger in security research that we’ve discussed a few times before. If you discover a security vulnerability on a production system, and there’s no bug bounty, you’ve likely broken a handful of computer laws. Turn over the flaw you’ve found, and you’re most likely to get a “thank you”, but there’s a tiny cha...
26
8
[ { "comment_id": "6478561", "author": "pelrun", "timestamp": "2022-05-27T15:32:14", "content": "So 16 year old learner drivers can now easily generate perfect ID’s with changed birthdates to enter licensed premises and buy all the alcohol and tobacco they want. So much better than a physical card!",...
1,760,372,679.568322
https://hackaday.com/2022/05/27/the-huge-apple-toolkit-for-fixing-your-iphone/
The Huge Apple Toolkit For Fixing Your IPhone
Jenny List
[ "iphone hacks" ]
[ "apple", "iphone", "right to repair" ]
https://hackaday.com/wp-…atured.jpg?w=800
It’s been a frequent criticism of Apple, that their products are difficult to repair. They’ve hit back with a self-repair program for iPhones, and should you wish to take advantage of it they will hire you a tool kit. Not the iFixit box you might expect, instead they give you two hefty suitcases that contain 36 Kg of t...
71
19
[ { "comment_id": "6478463", "author": "Andrew", "timestamp": "2022-05-27T11:13:24", "content": "This feels an awful lot like malicious compliance.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478465", "author": "DropTableAdventures", "times...
1,760,372,679.667147
https://hackaday.com/2022/05/27/wireless-power-here-now/
Wireless Power: Here? Now?
Al Williams
[ "News", "Science" ]
[ "laser", "power transmission", "tesla" ]
https://hackaday.com/wp-…aser-3.png?w=800
Outside of very small applications, Nikola Tesla’s ideas about transmitting serious power without wires have not been very practical. Sure, we can draw microwatts from radio signals in the air, and if you’re willing to get your phone in just the right spot, you can charge it. But having power sent to your laptop anywhe...
34
15
[ { "comment_id": "6478427", "author": "Andrew", "timestamp": "2022-05-27T08:05:23", "content": "The Navy! Because, sharks.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478438", "author": "Yoplait", "timestamp": "2022-05-27T08:26:59", ...
1,760,372,679.731969
https://hackaday.com/2022/05/26/console-macropad-uses-sd-cards-for-stylin-and-profilin/
Console Macropad Uses SD Cards For Stylin’ And Profilin’
Kristina Panos
[ "Peripherals Hacks", "Raspberry Pi" ]
[ "macro pad", "macropad", "microsd card", "oled", "rp2040", "sd card" ]
https://hackaday.com/wp-…ad-800.jpg?w=800
Macropads are great to have around for hotkey input, but things can get out of hand pretty quickly when you realize just how many shortcuts are in your life. To avoid ending up with another keyboard-sized keyboard, some hackers will use a handful of switches and a lot of layers to turn a few keys into many. And instead...
7
4
[ { "comment_id": "6478404", "author": "Gregg Eshelman", "timestamp": "2022-05-27T05:52:25", "content": "Saitek had a couple of programmable keypads for games or anything you wanted to set them up for. The first model connected to a PS/2 port inline between the keyboard and PC. To program it, the setu...
1,760,372,679.772837
https://hackaday.com/2022/05/26/color-vector-display-controller-brings-arcade-classics-back-to-life/
Color Vector Display Controller Brings Arcade Classics Back To Life
Robin Kearey
[ "classic hacks" ]
[ "arcade monitor", "mame", "vector display" ]
https://hackaday.com/wp-…onitor.jpg?w=800
If you’ve been reading Hackaday long enough, you’ve probably come across a few hacks where someone made simple animations or even video games on an analog oscilloscope screen. Those hacks generally use vector graphics, where the cathode ray tube’s electron beam directly draws geometric shapes onto the screen. This give...
12
6
[ { "comment_id": "6478387", "author": "Bruce Perens", "timestamp": "2022-05-27T04:25:19", "content": "One would think that 4K monitors might render rasterized vectors pretty well.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478390", "author": "Spr...
1,760,372,679.819459
https://hackaday.com/2022/05/26/bottoms-up-soda-can-help-with-almost-any-project/
Bottoms Up: Soda Can Help With Almost Any Project
Kristina Panos
[ "Misc Hacks" ]
[ "f'n magnets", "parts", "small parts", "soda can" ]
https://hackaday.com/wp-…ys-800.jpg?w=800
If there’s any one thing that the average hacker is short on at a given moment (besides chips), it’s transient small part storage. Just as new projects are built from small parts, diagnostics and teardowns of commercial equipment invariably result in small parts. We think [amenjet] may have the answer — small parts hol...
32
14
[ { "comment_id": "6478329", "author": "gelandangan", "timestamp": "2022-05-26T23:07:30", "content": "Wouldn’t it be easier just to fill the base of the can with resin ?3D printing the base is Ok, but they take a lot longer time than pouring and wait for the resin to set.Since the part is unseen, you ...
1,760,372,680.12365
https://hackaday.com/2022/05/26/upcycled-practice-amp-build-goes-to-eleven/
Upcycled Practice Amp Build Goes To Eleven
Dan Maloney
[ "Musical Hacks" ]
[ "amp", "amplifier", "bridge-tied load", "class-d", "uke", "ukelele" ]
https://hackaday.com/wp-…aled-1.jpg?w=800
What do you call someone who gives the toddler in your life a musical instrument as a gift? In most cases, “mortal enemy” is the correct answer, but not everyone feels quite so curmudgeonly, and might even attempt to turn up the volume a bit. Such is the case with this wonderfully detailed practice amp for the grandkid...
19
10
[ { "comment_id": "6478278", "author": "scarlson912", "timestamp": "2022-05-26T21:09:07", "content": "Why don’t you just make ten louder and make ten be the top number and make that a little louder?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478402", ...
1,760,372,679.960565
https://hackaday.com/2022/05/26/robotic-hand-uses-old-cd-rom-parts/
Robotic Hand Uses Old CD-ROM Parts
Lewin Day
[ "Robots Hacks" ]
[ "cd drive", "CD ROM drive", "CD-ROM", "robotic arm" ]
https://hackaday.com/wp-…shot-1.png?w=800
Robotic arms and actuators are compelling things to watch, and as popular among the maker set as they are crucial to modern industry. [kthod2000] built a design of their own, which relies on parts salvaged from old CD-ROM drives. The arm itself is constructed of many components which appear to be 3D printed, with three...
12
4
[ { "comment_id": "6478290", "author": "Thomas Jerome Newton", "timestamp": "2022-05-26T21:26:02", "content": "Nice, but those are head-tracking stepper motors, nothing to do with the eject mechanism. That’s usually driven by a 5v motor driving a rack and pinion.", "parent_id": null, "depth": ...
1,760,372,681.978959
https://hackaday.com/2022/05/26/auditory-brainstem-implants-the-other-bionic-hearing-device/
Auditory Brainstem Implants: The Other Bionic Hearing Device
Lewin Day
[ "Interest", "Medical Hacks", "Original Art" ]
[ "auditory brainstem implant", "brain", "brainstem", "Cochlear Implant", "implant", "medical", "medical hacks" ]
https://hackaday.com/wp-…ogical.jpg?w=800
You might have heard of the cochlear implant. It’s an electronic device also referred to as a neuroprosthesis, serving as a bionic replacement for the human ear. These implants have brought an improved sense of hearing to hundreds of thousands around the world. However, the cochlear implant isn’t the only game in town....
18
10
[ { "comment_id": "6478198", "author": "Ostracus", "timestamp": "2022-05-26T17:12:03", "content": "Bionic hearing indeed.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6478220", "author": "Aaron J Scott", "timestamp": "2022-05-26T18:08:51", "content...
1,760,372,681.930538
https://hackaday.com/2022/05/26/the-512-gigabyte-floppy-disk/
The 512 Gigabyte Floppy Disk
Jenny List
[ "classic hacks", "Peripherals Hacks" ]
[ "3.5\" floppy disk", "floppy", "micro sd" ]
https://hackaday.com/wp-…atured.jpg?w=800
There are times when a technology goes almost overnight as if in a puff of smoke, and others when they fade away gradually over time to the point at which their passing is barely noticed. So it is with removable media, while we still have the occasional USB flash disk or SD card , they do not come anywhere near the flo...
79
22
[ { "comment_id": "6478165", "author": "Jonathan Pallant", "timestamp": "2022-05-26T15:46:53", "content": "Your mix of k, M, Mb and Gb for size units is giving me palpitations. And let’s not get started on how the 3.5” disk is 1440 KiB and not 1.44 M for *any* sensible value of M…", "parent_id": n...
1,760,372,681.873437
https://hackaday.com/2022/05/26/sharing-your-projects-with-the-world-how/
Sharing Your Projects With The World: How?
Ryan Flowers
[ "Hackaday Columns", "how-to", "Slider" ]
[ "blogging", "content creation", "project sharing", "writing" ]
https://hackaday.com/wp-…PCcase.jpg?w=800
So you just built a super-mega robot project that you want to share with the world. Super! But now you’re faced with an entirely new and different problem: documenting the process for the world to see. It’s enough to drive you back down into the lab. What software should I use to create my project site? How deep down t...
22
11
[ { "comment_id": "6478134", "author": "BT", "timestamp": "2022-05-26T14:08:06", "content": "You forgot Twitter *wincess at the very thought*", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478181", "author": "Ryan Flowers", "timestamp": "2022-...
1,760,372,682.100225
https://hackaday.com/2022/05/26/nyc-hangs-up-its-last-pay-phone/
NYC Hangs Up Its Last Pay Phone
Kristina Panos
[ "News", "Phone Hacks" ]
[ "Captain Crunch", "manhattan", "nyc", "pay phone" ]
https://hackaday.com/wp-…ne-800.jpg?w=800
It was a melancholy Monday this week in the Big Apple as the last public payphone was uprooted from midtown Manhattan near Times Square and hauled away like so much garbage. That oughta be in a museum , you’re thinking, if you’re anything like us. Don’t worry; that’s exactly where the pair is headed. This all started i...
48
18
[ { "comment_id": "6478103", "author": "Jerry", "timestamp": "2022-05-26T11:15:28", "content": "The steady decline in pay phones has been going on for a number of years. The “Central Office” in Gardena CA. stored pallets of removed pay phones in their back parking lot for a while. A photo of these aba...
1,760,372,682.311681
https://hackaday.com/2022/05/26/its-easy-to-mod-your-oculus-vr-headset-with-prescription-lenses/
It’s Easy To Mod Your Oculus VR Headset With Prescription Lenses
Lewin Day
[ "Virtual Reality" ]
[ "Oculus", "oculus rift", "vr" ]
https://hackaday.com/wp-…x_feat.jpg?w=800
The Oculus brand VR headset and other similar devices allow you to view 3D worlds, but they can be blurry and unsatisfying if you’re a glasses wearer. Alternatively, you might be able to see fine, but find your glasses get in the way of a comfortable experience. Either way, you might want to integrate prescription lens...
33
18
[ { "comment_id": "6478078", "author": "Bleugh", "timestamp": "2022-05-26T08:07:18", "content": "Superb work. I’d never really thought to do this before, i’ve never really bothered with VR due to needing glasses – thankyou Tanvach, you’ve now started me down a VR rabbit hole :-)", "parent_id": nul...
1,760,372,682.039721
https://hackaday.com/2022/05/25/tame-your-flexible-filaments-with-this-belt-drive-extruder/
Tame Your Flexible Filaments With This Belt-Drive Extruder
Dave Rowntree
[ "3d Printer hacks" ]
[ "3d printing", "flexible filament", "Ninjaflex", "TPU" ]
https://hackaday.com/wp-…PYItb0.png?w=800
[Proper Printing] clearly enjoys pushing the boundaries of 3D printed materials, and sometimes this requires building custom 3D printers or at least the business end of them. Flexible filaments can be a bit of a pain to deal with, simply because most extruders are designed to push the filament into the hot end with a s...
8
6
[ { "comment_id": "6478055", "author": "tomás zerolo", "timestamp": "2022-05-26T05:40:14", "content": "Now a peristaltic bowden with tiny cilia to counter backslip would be something of a bio-tech-punk thing…", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "647810...
1,760,372,681.721211
https://hackaday.com/2022/05/25/geothermal-system-is-a-real-gold-mine/
Geothermal System Is A Real Gold Mine
Al Williams
[ "Science" ]
[ "energy", "geothermal", "gold mine" ]
https://hackaday.com/wp-…05/geo.png?w=800
What do you get when Pacific Northwest National Laboratories takes over what was once the largest and deepest gold mine in North America? The answer might be enough energy to power 10,000,000 homes . The enhanced geothermal systems project includes the lab and several partners from academia and industry and aims to tes...
57
8
[ { "comment_id": "6478025", "author": "Paul", "timestamp": "2022-05-26T02:16:51", "content": "“enoughenergyto power 10,000,000 homes. ”For how long? Energy = power * time.Thankfully, the original article gets the terminology correct.", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,682.23496
https://hackaday.com/2022/05/25/build-a-prop-for-a-tv-premiere-stranger-things-have-happened/
Build A Prop For A TV Premiere? Stranger Things Have Happened
Kristina Panos
[ "Phone Hacks" ]
[ "dtmf", "phone", "prop", "Stranger Things" ]
https://hackaday.com/wp-…ne-800.jpg?w=798
Some guys get all the breaks. [Guy Dupont] had the honor of building a working, interactive wall-mount landline phone for the red carpet premiere of a certain TV show. The phone was to be an Easter egg inside an 80s-style pizzeria set. About every two minutes the phone would ring, and anyone brave enough to answer woul...
7
2
[ { "comment_id": "6478008", "author": "Wibble", "timestamp": "2022-05-26T00:57:16", "content": "Interesting design choices, why not just asterisk on a pi with an ata? The phone would have been left stock, and the call routing/operator messages could have been nailed too. You’d be done in a morning, I...
1,760,372,682.149917
https://hackaday.com/2022/05/25/a-nicely-accurate-pcb-drill-press-you-can-build-yourself/
A Nicely Accurate PCB Drill Press You Can Build Yourself
Lewin Day
[ "Tool Hacks" ]
[ "drill", "drill press", "pcb", "pcb drill" ]
https://hackaday.com/wp-…691779.jpg?w=800
Making PCBs isn’t always just about getting nice copper traces on a lovely fiberglass board. There’s often lots of drilling to be done! This PCB drill press from [w_k_fay] should help you do just that with the finesse and accuracy of a pro. The design isn’t particularly fancy or pretty, but just simply focuses on doing...
6
6
[ { "comment_id": "6478015", "author": "Chris", "timestamp": "2022-05-26T01:26:30", "content": "Someone woke up on the wrong side of the bed!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6478037", "author": "BrendaEM", "timestamp": "2022-05-26T04:05:57...
1,760,372,681.765678
https://hackaday.com/2022/05/25/hackaday-prize-2022-upcycling-acrylic-scraps/
Hackaday Prize 2022: Upcycling Acrylic Scraps
Bryan Cockfield
[ "green hacks", "The Hackaday Prize" ]
[ "2022 Hackaday Prize", "acrylic", "dinalab", "heat", "jack", "laser cutter", "plastic", "press", "rainforest", "recycle", "scraps" ]
https://hackaday.com/wp-…e-main.png?w=800
Living and working in a remote rain forest may sound idyllic to those currently stuck in bland suburbia, and to be sure it does have plenty of perks. One of the downsides, though, is getting new materials and equipment to that remote location. For that reason, [Digital Naturalism Laboratories], also known as [Dinalab],...
9
3
[ { "comment_id": "6477950", "author": "Andrew Quitmeyer", "timestamp": "2022-05-25T19:36:05", "content": "Aww thanks for sharing hackaday!Also gonna plug offcut studio who gives workshops on this for people who want to learn how to do this in a less janky way than us :)https://instagram.com/offcutstu...
1,760,372,682.360687
https://hackaday.com/2022/05/25/swo-an-arm-printf-by-any-other-name/
SWO: An ARM Printf By Any Other Name
Al Williams
[ "Hackaday Columns", "Microcontrollers", "Slider" ]
[ "arm", "stm32", "SWO" ]
https://hackaday.com/wp-…atured.png?w=800
I’ll confess. Although printf -style debugging has a bad rep, I find myself turning to it on occasion. Sure, printf is expensive and brings in a lot of code, but if you have the space and time to use it while debugging you can always remove it before you are finished. However, what if you don’t have an output device or...
26
14
[ { "comment_id": "6477904", "author": "doragasu", "timestamp": "2022-05-25T17:08:41", "content": "Other alternatives that work using the debug port and thus do not require other resources such as GPIO pins or UART devices are GDB semihosting and RTT. The later is the one I would recommend because alt...
1,760,372,682.55207
https://hackaday.com/2022/05/25/golf-club-shooter-is-your-ballistic-friend-on-the-green/
Golf Club Shooter Is Your Ballistic Friend On The Green
Lewin Day
[ "Lifehacks", "Robots Hacks" ]
[ "compressed air", "golf", "golf club", "launcher" ]
https://hackaday.com/wp-…enshot.png?w=800
Golf is a sport that has always enjoyed a good gadget or eight. Whether it’s something to measure the wind, or the latest putter guaranteed to save your game, golf enthusiasts have always flocked to such toys. [Nick O’Hara] has something that might just be a little too exciting for the golf set, though, in the form of ...
17
11
[ { "comment_id": "6477863", "author": "Ostracus", "timestamp": "2022-05-25T15:34:44", "content": "If war ever started using golf balls this guy would be ready.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6477873", "author": "Scoldog", "timestamp": "2...
1,760,372,682.485518
https://hackaday.com/2022/05/25/the-joy-of-broadcast-media-vs-the-paradox-of-choice/
The Joy Of Broadcast Media Vs. The Paradox Of Choice
Lewin Day
[ "Featured", "Interest", "Original Art", "Rants", "Slider" ]
[ "media", "streaming", "too much" ]
https://hackaday.com/wp-…aradox.jpg?w=800
The rise of streaming services on the Internet was a revolutionary shift when it came to the world of media. No more would content be pumped in to homes in a one-way fashion, broadcast by major conglomerates and government-run organizations. Instead, individuals would be free to hunt for content suiting their own desir...
61
19
[ { "comment_id": "6477843", "author": "pmichealh", "timestamp": "2022-05-25T14:39:25", "content": "I don’t find it hard. If one of the few things I like isn’t on, I go work on electronics. The paradox only affects those with nothing better to do…", "parent_id": null, "depth": 1, "replies"...
1,760,372,682.734443
https://hackaday.com/2022/05/24/put-another-dime-in-the-jukebox/
Put Another Dime In The Jukebox
Al Williams
[ "Hackaday Columns", "Slider" ]
[ "electromechanical", "jukebox", "music", "records", "vinyl" ]
https://hackaday.com/wp-…atured.png?w=800
We don’t always acknowledge it, but most people have an innate need for music. Think of all the technology that brings us music. For decades, most of the consumer radio spectrum carried music. We went from records, to tape in various forms, to CDs, to pure digital. There are entire satellites that carry — mostly — musi...
19
9
[ { "comment_id": "6477619", "author": "Alex99a", "timestamp": "2022-05-24T18:03:16", "content": "PLEASE don’t gut a classic Wurlitzer to put a Raspberry Pi in it.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6477630", "author": "Josiah Gould", ...
1,760,372,682.892703
https://hackaday.com/2022/05/24/show-us-your-odd-inputs-and-peculiar-peripherals/
Show Us Your Odd Inputs And Peculiar Peripherals!
Elliot Williams
[ "contests", "Hackaday Columns", "Slider" ]
[ "contests", "Hackaday Contests", "input device" ]
https://hackaday.com/wp-…788679.png?w=800
Just as the Jedi youngling would have to build their light saber, so is it a rite of passage for a true geek to build their own computer interfaces. And nothing makes a personal computer more personal than a custom keyboard, a bespoke mouse, an omnipotent macropad, a snazzy jog wheel, or a fancy flight yoke. In this co...
17
8
[ { "comment_id": "6477586", "author": "LordNothing", "timestamp": "2022-05-24T16:10:26", "content": "needs a crosspost to ksp forum.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6477773", "author": "Stappers", "timestamp": "2022-05-25T09:58:...
1,760,372,683.160908
https://hackaday.com/2022/05/24/psp-turned-robot-remote-with-custom-software/
PSP Turned Robot Remote With Custom Software
Tom Nardi
[ "Playstation Hacks", "Robots Hacks", "Software Hacks" ]
[ "custom firmware", "playstation portable", "psp" ]
https://hackaday.com/wp-…t_feat.jpg?w=800
There’s no question that Sony’s PlayStation Portable (PSP) was an impressive piece of hardware when it was released in 2004, but for all its technical wizardry, it wasn’t able to shake Nintendo’s vice-like grip on the handheld market. Perhaps that explains why we still see so many nostalgia-fueled hacks for Nintendo’s ...
2
1
[ { "comment_id": "6477645", "author": "camc", "timestamp": "2022-05-24T19:19:57", "content": "It should be possible to stream 240p AVC video over the PSP’s 802.11b wifi. But you’d have to pipe that through the ESP.", "parent_id": null, "depth": 1, "replies": [ { "comment_id"...
1,760,372,683.10079
https://hackaday.com/2022/05/24/handling-bulk-material-why-does-my-catfood-get-stuck/
Handling Bulk Material: Why Does My Cat Food Get Stuck?
Anne Ogborn
[ "Engineering", "Featured", "Interest", "Original Art", "Slider" ]
[ "bulk material", "hardware", "robots" ]
https://hackaday.com/wp-…ndling.jpg?w=800
Bulk material is stuff handled ‘in bulk’. One LEGO piece is a brick but 1,000 poured into a bag is bulk material. Corn starch, sand, flour, powder-coat powder, gravel, cat food, Cap’n Crunch, coins, screws, Styrofoam beads, lead shot, and gummy worms are bulk materials. Applications abound where you need to move stuff ...
44
23
[ { "comment_id": "6477558", "author": "Severe Tire Damage", "timestamp": "2022-05-24T14:10:33", "content": "Nice write up. What happened to “slurping”?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478627", "author": "Anne Ogborn", "timesta...
1,760,372,683.286678
https://hackaday.com/2022/05/24/point-out-pups-packages-with-this-poop-shooting-laser/
Point Out Pup’s Packages With This Poop-Shooting Laser
Dan Maloney
[ "home hacks", "Machine Learning" ]
[ "dog", "laser", "opencv", "pet", "poop", "pose estimation", "turret" ]
https://hackaday.com/wp-….49.01.png?w=800
When you’re lucky enough to have a dog in your life, you tend to overlook some of the more one-sided aspects of the relationship. While you are severely restrained with regard to where you eliminate your waste, your furry friend is free to roam the yard and dispense his or her nuggets pretty much at will, and fully exp...
18
12
[ { "comment_id": "6477506", "author": "Joseph Eoff", "timestamp": "2022-05-24T11:24:54", "content": "Hmm. It’s missing a higher powered laser for fully automated poop disposal.", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6477561", "author": "ben",...
1,760,372,683.001141
https://hackaday.com/2022/05/24/untangling-the-maze-of-digital-tv-upgrades/
Untangling The Maze Of Digital TV Upgrades
Jenny List
[ "home entertainment hacks" ]
[ "digital tv", "DVB-T", "DVB-T2", "tv" ]
https://hackaday.com/wp-…atured.jpg?w=800
When we all shifted our television broadcasts to digital, for a moment it looked as though we might have had to upgrade our sets only once and a set-top box would be a thing of the past. In Europe that meant the DVB-T standard, whose two-decade reign is slowly passing to DVB-T2 for higher definition and more channels. ...
24
6
[ { "comment_id": "6477467", "author": "Truth", "timestamp": "2022-05-24T09:04:58", "content": "I wonder which will be the dominant standard in the very near future: H.266 (Versatile Video Coding – patent pool that needs to be licenced and royalties paid to use) or AV1 (AOMedia Video 1 – royalty-free...
1,760,372,683.058934
https://hackaday.com/2022/05/23/motorcycle-regulator-by-popular-demand/
Motorcycle Regulator By Popular Demand
Bryan Cockfield
[ "Transportation Hacks" ]
[ "alternator", "circuit", "custom", "mosfet", "motorcycle", "power", "regulator", "shunt" ]
https://hackaday.com/wp-…r-main.png?w=800
A few weeks ago we posted a build of an avid motorcycle enthusiast named [fvfilippetti] who created a voltage regulator essentially from the ground up. While this was a popular build, the regulator only works for a small subset of motorcycles. This had a large number of readers clamoring for a more common three-phase r...
23
7
[ { "comment_id": "6477415", "author": "RP", "timestamp": "2022-05-24T05:23:02", "content": "Just a minor note: In the simulation image at the top of the article, the 3 phases are 0°, 120° and 270°. I think they intended 240° although it won’t make any appreciable difference to the simulation.", ...
1,760,372,682.949604
https://hackaday.com/2022/05/29/adjustable-workholding-for-honeycomb-tables-with-a-bit-of-diy/
Adjustable Workholding For Honeycomb Tables, With A Bit Of DIY
Donald Papp
[ "Laser Hacks", "Tool Hacks" ]
[ "honeycomb table", "offset pins", "workholding" ]
https://hackaday.com/wp-…e-pins.jpg?w=800
Honeycomb tables are often found on laser cutters, where they provide a way for work material to be laid flat while not interfering with things like airflow. This leads to a cleaner laser cut and a nicer finish, but if one’s work depends on precise positioning and placement, they leave something to be desired because t...
6
5
[ { "comment_id": "6479146", "author": "RW ver 0.0.3", "timestamp": "2022-05-29T20:39:19", "content": "I can honestly say that probably wouldn’t have occured to me, as I would have just pinched the ones ouf of my mitre box or off a workmate.", "parent_id": null, "depth": 1, "replies": [] ...
1,760,372,683.205072
https://hackaday.com/2022/05/29/laser-driver-design-keeps-safety-first/
Laser Driver Design Keeps Safety First
Arya Voronova
[ "Laser Hacks" ]
[ "laser", "laser driver", "laser safety" ]
https://hackaday.com/wp-…_feat.jpeg?w=800
[Les] from [Les’ Lab] has designed a driver for laser diodes up to 10 watts, and decided to show us how it operates, tells us what we should keep in mind when designing such a driver, and talks about laser safety in general. This design is an adjustable current regulator based on the LM350A, able to provide up to 10 wa...
20
5
[ { "comment_id": "6479094", "author": "Greg Garriss", "timestamp": "2022-05-29T19:00:23", "content": "Itʻs nice to hear from someone thatʻs seriously interested in laser safety. Iʻve worked with Class 4 lasers since the 70s and am pretty horrified whenever I see them sold as hobbyist toys.", "par...
1,760,372,683.346339
https://hackaday.com/2022/05/29/relax-and-enjoy-this-simple-drone-synthesizer/
Relax And Enjoy This Simple Drone Synthesizer
Dan Maloney
[ "Musical Hacks" ]
[ "avalanche", "drone", "oscillator", "relaxation", "sthesizer", "synth" ]
https://hackaday.com/wp-….10.03.png?w=800
You’d think that a synthesizer that makes as much noise and sports as many knobs as this one would have more than a dozen transistors on board. Surely the circuit behind the panel is complex, and there must be at least a couple of 555 timers back there, right? But no, the “Box of Beezz” that [lonesoulsurfer] came up wi...
2
2
[ { "comment_id": "6479065", "author": "cfavreau", "timestamp": "2022-05-29T16:38:17", "content": "Also be sure to check out the enclosure construction. It is really neat and looks easy to do. The fellow’s other projects also are really cool too.", "parent_id": null, "depth": 1, "replies...
1,760,372,683.383492
https://hackaday.com/2022/05/29/better-robots-through-gallium/
Better Robots Through Gallium
Al Williams
[ "Science" ]
[ "gallium", "liquid metal" ]
https://hackaday.com/wp-…weight.png?w=800
In the movie Terminator 2, the T-1000 robot was made of some kind of liquid metal that could change shape among other interesting things. According to a chemical engineer at North Carolina State University, there may be something to the idea. [Michael Dickey] has been experimenting with gallium , a liquid metal, that s...
16
11
[ { "comment_id": "6479012", "author": "Iván Stepaniuk", "timestamp": "2022-05-29T13:25:43", "content": "T1000", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479013", "author": "Iván Stepaniuk", "timestamp": "2022-05-29T13:27:25", "con...
1,760,372,683.434575
https://hackaday.com/2022/05/29/rackmount-hardware-placement-issues-ikea-lack-to-the-rescue/
Rackmount Hardware Placement Issues? IKEA LACK To The Rescue!
Arya Voronova
[ "classic hacks", "computer hacks" ]
[ "home server", "ikea", "lackrack", "rack mount", "rack mount server" ]
https://hackaday.com/wp-…p_feat.jpg?w=800
[hackbyte] reminds us about a classic hack that, even though we’ve seen floating around for over a decade, has somehow never quite graced our pages before. Many of us keep small home labs and even, at times, collections of servers that we’d be comfortable be calling mini-datacenters. However, if you use the ever-abunda...
18
11
[ { "comment_id": "6478982", "author": "Eliot", "timestamp": "2022-05-29T09:05:46", "content": "2013 linking to Make which links to the sauce (as does a hackaday commenter )https://hackaday.com/2013/10/23/hackerspacing-in-europe-ackspace-in-heerlen/", "parent_id": null, "depth": 1, "replie...
1,760,372,683.602431
https://hackaday.com/2022/05/28/annotate-pdfs-on-linux-with-pdfrankenstein/
Annotate PDFs On Linux With PDFrankenstein
Donald Papp
[ "Linux Hacks" ]
[ "annotate", "editing PDF", "inkscape", "linux", "pdf", "qpdf" ]
https://hackaday.com/wp-…enshot.png?w=613
On Windows and Mac machines, it’s not too troublesome to add text or drawings (such as signatures) to PDF files, but [Mansour Behabadi] found that on Linux machines, there didn’t seem to be a satisfying way or a simple tool. Being an enterprising hacker, [Mansour] set out to fill that gap , and the way it works under t...
20
8
[ { "comment_id": "6478951", "author": "Jeff Kowalski", "timestamp": "2022-05-29T06:01:52", "content": "What is wrong withhttps://www.qoppa.com/pdfstudioviewer/?", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6479008", "author": "Mansour", "tim...
1,760,372,683.654897
https://hackaday.com/2022/05/28/soap-mouse-is-a-slippery-interface-for-mid-air-input/
Soap Mouse Is A Slippery Interface For Mid-Air Input
Kristina Panos
[ "Peripherals Hacks" ]
[ "computer mouse", "gaming mouse", "mouse", "off the shelf", "optical mouse" ]
https://hackaday.com/wp-…se-800.jpg?w=800
We all have those gnarly hacks that we still think about years after we first saw them. For serial tipster [Inne], one of those is [Patrick Baudisch]’s soap mouse, which is a DIY device for mousing in mid-air that uses components from off the shelf and around the house. How does it work? The guts are encased in plastic...
5
5
[ { "comment_id": "6478927", "author": "Rumble_in_the_Jungle", "timestamp": "2022-05-29T02:15:19", "content": "Really hope nobody drop it, in the shower.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6478939", "author": "Gamma", "timestamp": "2022-05-29...
1,760,372,683.710769
https://hackaday.com/2022/05/23/european-roads-see-first-zero-occupancy-autonomous-journey/
European Roads See First Zero-Occupancy Autonomous Journey
Jenny List
[ "Artificial Intelligence", "Transportation Hacks" ]
[ "autonomous delivery", "self-driving", "self-driving car" ]
https://hackaday.com/wp-…atured.jpg?w=800
We write a lot about self-driving vehicles here at Hackaday, but it’s fair to say that most of the limelight has fallen upon large and well-known technology companies on the west coast of the USA. It’s worth drawing attention to other parts of the world where just as much research has gone into autonomous transport, an...
50
12
[ { "comment_id": "6477322", "author": "Adrian", "timestamp": "2022-05-24T02:20:59", "content": "Very much a “first step” on an idealised empty, straight, well formed piece of road. I don’t think that resembles any “open road” in the UK that I’ve ever seen, can’t wait to see how it handles overlappin...
1,760,372,683.876359
https://hackaday.com/2022/05/23/ditch-the-laptop-for-the-tabletop/
Ditch The Laptop For The Tabletop
Matthew Carlson
[ "Cyberdecks" ]
[ "cyberdeck", "laptop", "mechanical keyboard" ]
https://hackaday.com/wp-…_large.png?w=800
The idea of a cyberdeck is simple. A relatively portable case that is primarily a keyboard with some screen attached. Cyberdecks often try to hit a particular aesthetic or vibe rather than focusing on usability or practicality. [Carter Hurd] took a step back and asked himself what would be a cyberdeck-like system that ...
42
15
[ { "comment_id": "6477292", "author": "Ergotron", "timestamp": "2022-05-24T00:54:53", "content": "Kind of cringe that he went through all this trouble because he needed it to run Windows. Seems like it would be a lot easier to just learn something new, but this is also a dude who cut an NVME drive in...
1,760,372,684.0563
https://hackaday.com/2022/05/23/fighting-back-against-dodgy-dyson-batteries/
Fighting Back Against Dodgy Dyson Batteries
Tom Nardi
[ "Battery Hacks" ]
[ "battery management system", "battery pack", "dyson", "planned obsolescence" ]
https://hackaday.com/wp-…n_feat.jpg?w=800
If you’ve ever worked with multi-cell rechargeable battery packs, you know that the individual cells will eventually become imbalanced. To keep the pack working optimally, each cell needs to be analyzed and charged individually — which is why RC style battery packs have a dedicated balance connector. So if you know it,...
65
27
[ { "comment_id": "6477183", "author": "Beaker", "timestamp": "2022-05-23T20:27:10", "content": "This is very timely, I happen to have a Dyson here that just started refusing to charge….", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6478486", "author"...
1,760,372,683.981831
https://hackaday.com/2022/05/23/hackaday-prize-2022-glue-hindered-smart-tweezer-repair-involves-a-rebuild/
Hackaday Prize 2022: Glue-Hindered Smart Tweezer Repair Involves A Rebuild
Arya Voronova
[ "Repair Hacks", "The Hackaday Prize", "Tool Hacks" ]
[ "2022 Hackaday Prize", "DMM Tweezers", "Smart Tweezers", "smd tweezers", "test equipment", "tools", "tweezers" ]
https://hackaday.com/wp-…r_feat.png?w=800
[Dan Julio] owns a pair of Miniware multimeter tweezers, a nifty helper tool for all things SMD exploration. One day, he found them broken – unable to recognize any component between the two probes. He thought it could be a broken connection problem, and decided to take them apart. Presence of some screws on their case...
1
1
[ { "comment_id": "6477626", "author": "The Commenter Formerly Known As Ren", "timestamp": "2022-05-24T18:35:34", "content": "He started with a pair of broken tweezers,and ended up with a pair of … non-tweezers…", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,684.089833
https://hackaday.com/2022/05/23/2022-hackaday-prize-congratulations-to-the-planet-friendly-power-finalists/
2022 Hackaday Prize: Congratulations To The Planet-Friendly Power Finalists!
Elliot Williams
[ "contests", "green hacks" ]
[ "2022 Hackaday Prize", "finalists", "winners" ]
https://hackaday.com/wp-…banner.png?w=800
The 2022 Hackaday Prize is focused on lightening our load on the planet, and one obvious way to do so is to get and store renewable power locally — the theme of our first challenge round: Planet-Friendly Power. Our judges have studied all the entries and their votes are in. All of these ten projects will receive $500 r...
1
1
[ { "comment_id": "6477696", "author": "Dennis", "timestamp": "2022-05-25T00:30:39", "content": "Congratulations all!", "parent_id": null, "depth": 1, "replies": [] } ]
1,760,372,684.131906
https://hackaday.com/2022/05/23/vintage-pro-audio-hack-chat/
Vintage Pro Audio Hack Chat
Dan Maloney
[ "Hackaday Columns", "Slider" ]
[ "Hack Chat" ]
https://hackaday.com/wp-…19551.jpeg?w=800
Join us on Wednesday, May 25 at noon Pacific for the Vintage Audio Hack Chat with Frank Olson ! There was a time, and not all that long ago on the cosmic scale, that if you wanted to hear music, you either needed to make it yourself or hire someone to do it for you. For most of history, music was very much a here and n...
5
2
[ { "comment_id": "6477086", "author": "HaHa", "timestamp": "2022-05-23T18:05:03", "content": "How do you fix a noisy potentiometer?What do you think of young kids who think Matsushita brands like Pioneer made great gear? I guess it goes well with LP sound quality.Tube microphones. Worth the price?", ...
1,760,372,684.174362
https://hackaday.com/2022/05/23/an-illuminating-look-at-a-wolf-5151-light-source/
An Illuminating Look At A Wolf 5151 Light Source
Tom Nardi
[ "Teardown" ]
[ "illuminator", "medical equipment", "optics", "xenon" ]
https://hackaday.com/wp-…1_feat.jpg?w=800
While originally designed to put light where the sun don’t shine for medical purposes, [Nava Whiteford] says the Wolf 5151 Xenon endoscopic light source also works well for microscopy and general optical experiments, especially since you can get them fairly cheap on the second hand market. His cost just $50 USD, which ...
8
5
[ { "comment_id": "6477040", "author": "Michael Henderson", "timestamp": "2022-05-23T15:16:33", "content": "This is an arc lamp so, yeah, not really dimmable. The metal ND filter would tolerate the crazy heat of that light beam better than any organic film or plating.", "parent_id": null, "dep...
1,760,372,684.222041
https://hackaday.com/2022/05/23/knowing-your-place-the-implications-of-gps-spoofing-and-jamming/
Knowing Your Place: The Implications Of GPS Spoofing And Jamming
Maya Posch
[ "Current Events", "gps hacks", "Original Art" ]
[ "gnss", "GNSS spoofing", "gps" ]
https://hackaday.com/wp-…05/GPS.jpg?w=800
Artificial satellites have transformed the world in many ways, not only in terms of relaying communication and for observing the planet in ways previously inconceivable, but also to enable incredibly accurate navigation. A so-called global navigation satellite system ( GNSS ), or satnav for short, uses the data provide...
30
12
[ { "comment_id": "6477025", "author": "RW ver 0.0.3", "timestamp": "2022-05-23T14:35:19", "content": "I’ve seen the GPS put me a few hundred meters from where I actually am a handful of times, but usually those resolved quickly so might have been signal obstruction or reflection in the local environm...
1,760,372,684.291596
https://hackaday.com/2022/05/23/using-a-fusion-splicer-to-repair-a-samsung-tvs-cable/
Using A Fusion Splicer To Repair A Samsung TV’s Cable
Robin Kearey
[ "Repair Hacks" ]
[ "cable repair", "fiber optic", "fusion splicer" ]
https://hackaday.com/wp-…plicer.png?w=800
Some Samsung TVs come with a system called One Connect, where all external cabling is connected to a separate box so that only one small signal cable goes to the TV. In some versions, the cable linking the TV with its Connect Box is a pure fiber optic cable that’s nearly transparent and therefore easy to hide. Thin fib...
31
12
[ { "comment_id": "6476999", "author": "Tom Hargrave", "timestamp": "2022-05-23T13:10:47", "content": "I was a Telecomm Tech at Browns Ferry Nuclear Power Plant in the late 1980s and back then people who could splice fiber cable got $2000 a splice. That would be $8000 just for this repair.Now, except ...
1,760,372,684.354461
https://hackaday.com/2022/05/23/lotus-123-for-linux-is-like-a-digital-treasure-hunt/
Lotus 123For Linux Is Like A Digital Treasure Hunt
Al Williams
[ "Linux Hacks", "Retrocomputing", "Software Hacks" ]
[ "linux", "lotus 123", "software archaeology", "unix" ]
https://hackaday.com/wp-…05/123.png?w=800
Ever hear of Lotus 123 ? It is an old spreadsheet program that dominated the early PC market, taking the crown from incumbent Visicalc . [Tavis Ormandy] has managed to get the old software running natively under Linux — quite a feat for software that is around 40 years old and was meant for a different operating system...
84
33
[ { "comment_id": "6476950", "author": "RetepV", "timestamp": "2022-05-23T08:34:44", "content": "I love it. :)", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6477692", "author": "Jaybee Smith", "timestamp": "2022-05-25T00:13:00", "conte...
1,760,372,684.472733
https://hackaday.com/2022/05/22/do-flat-tyres-make-your-speedo-lie/
Do Flat Tyres Make Your Speedo Lie?
Jenny List
[ "Transportation Hacks" ]
[ "infaltion", "tires", "tyres" ]
https://hackaday.com/wp-…atured.jpg?w=800
There are some engineering questions that may not have huge importance in the world, but which become the subject of intense idle speculation. A good example is the question of whether a lower tyre pressure on a motor vehicle would make a difference to the indicated speed. There are several contrasting intuitive theori...
45
15
[ { "comment_id": "6476906", "author": "ccecil", "timestamp": "2022-05-23T05:18:01", "content": "Some of the tire pressure monitoring systems (2013 VW) use the ABS systems wheel speed sensors to determine if a tire is low. Low tire has a different rpm than the full ones.", "parent_id": null, ...
1,760,372,685.306515
https://hackaday.com/2022/05/22/truly-giant-telescope-could-image-exoplanets/
Truly Giant Telescope Could Image Exoplanets
Al Williams
[ "Science", "Space" ]
[ "astronomy", "exoplanet", "gravitational lens" ]
https://hackaday.com/wp-…05/exo.png?w=800
Have you ever wished we could peek at all these exoplanets that have been recently discovered? We aren’t likely to visit anytime soon, but it would be possible to build a truly giant telescope that could take a look at something like that. At least according to [SciShow Space] in a recent video you can see below. The i...
20
7
[ { "comment_id": "6476881", "author": "RW ver 0.0.3", "timestamp": "2022-05-23T03:39:54", "content": "I’d want to goof around closer to home first, like maybe trying to use Earth and Venus together as a synthetic aperture ‘scope. would likely need three compnents buzzing around the solar system like ...
1,760,372,684.556136
https://hackaday.com/2022/05/22/hackaday-links-may-22-2022/
Hackaday Links: May 22, 2022
Dan Maloney
[ "Hackaday Columns", "Hackaday links", "Slider" ]
[ "ABBA", "ai", "autonomous", "avatars", "bot", "hackaday links", "InSight", "mars", "Mayflower", "solar", "train" ]
https://hackaday.com/wp-…banner.jpg?w=800
It looks like it’s soon to be lights out for the Mars InSight lander . In the two years that the lander has been studying the geophysics of Mars from its lonely post on Elysium Planitia, InSight’s twin solar arrays have been collecting dust, and now are so dirty that they’re only making about 500 watt-hours per sol, ba...
27
11
[ { "comment_id": "6476831", "author": "Ostracus", "timestamp": "2022-05-22T23:16:06", "content": "“But no, it turns out that 10:10 is more visually pleasing, and least on analog timepieces, because it evokes a smile on a human face. ”Like headlights on some vehicles.", "parent_id": null, "dep...
1,760,372,684.997877
https://hackaday.com/2022/05/22/hack-another-elf-on-the-stack/
Hack Another ELF On The Stack
Matthew Carlson
[ "Reverse Engineering", "Software Hacks" ]
[ "elf", "LLDB" ]
https://hackaday.com/wp-…gtapes.jpg?w=800
[dropbear] recently found herself in a pickle. Dumping some data out of an Android app at a specific point for reverse engineering purposes. While it worked great in the simulator, it was painfully slow on hardware via lldb. The solution was to write a patch and apply it to the ELF file . Writing the AArch64 assembly t...
3
2
[ { "comment_id": "6476819", "author": "metalman", "timestamp": "2022-05-22T21:56:01", "content": "news.ycombinator.com just saying", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6489868", "author": "Peter T", "timestamp": "2022-07-06T03:41:...
1,760,372,684.78902
https://hackaday.com/2022/05/21/hp-200lx-runs-website-like-its-the-90s/
HP-200LX Runs Website Like It’s The 90s
Donald Papp
[ "computer hacks", "Retrocomputing" ]
[ "1990s", "200LX", "HP", "hp200lx", "palmtop", "vintage computing", "web server" ]
https://hackaday.com/wp-…server.jpg?w=800
The HP-200LX palmtop was a fascinating machine for its time, and [Terrence Vergauwen] proves that its time is not yet over, given that one is responsible for serving up the website for Palmtop Tube , a website and YouTube channel dedicated to vintage palmtops. All by itself a HP-200LX doesn’t have quite what it takes t...
20
8
[ { "comment_id": "6476600", "author": "Dan", "timestamp": "2022-05-21T20:34:29", "content": "F-keys and a numpad?! This is an awesome device!", "parent_id": null, "depth": 1, "replies": [ { "comment_id": "6476607", "author": "come2", "timestamp": "2022-05-21T...
1,760,372,684.753136
https://hackaday.com/2022/05/21/a-receive-antenna-switcher-with-an-espressif-brain/
A Receive Antenna Switcher With An Espressif Brain
Jenny List
[ "Radio Hacks" ]
[ "ESP32", "RF", "RF switch" ]
https://hackaday.com/wp-…atured.jpg?w=800
It’s not uncommon for a radio enthusiast to have multiple antennas for the same radio, so as you might expect it’s also entirely usual to have a bunch of coaxial cables dangling down for fumbling around the back of the rig to swap over.  If that describes your radio experience than you might be interested in the antenn...
9
8
[ { "comment_id": "6476581", "author": "echodelta", "timestamp": "2022-05-21T18:11:54", "content": "I’ve had 4 antennae switched to 2 FM tuners. Something to tape whilst another program to hear live. Just like TV. I used to get 3 states of public and dorm stations in a time of no web streaming. Mostly...
1,760,372,684.930424
https://hackaday.com/2022/05/21/one-solution-many-problems/
One Solution, Many Problems
Elliot Williams
[ "Hackaday Columns", "Rants", "Slider" ]
[ "charliplexing", "diode matrix", "ghosting", "keyboard" ]
https://hackaday.com/wp-…ration.jpg?w=800
You might think you’re lucky when one of your problems has multiple solutions, and you get to pick and choose, but you’re even luckier when one solution has many problems! This week I stumbled on an old solution in a new place. The project was a fantastic old MIDI guitar build , the Tryndelka by [Aleksandr Goltsov]. An...
7
3
[ { "comment_id": "6476589", "author": "YGDES", "timestamp": "2022-05-21T19:14:09", "content": "LED matrices are used both for encoding AND decoding.In fact, diodes are even more important than transistors to design digital circuits !", "parent_id": null, "depth": 1, "replies": [ { ...
1,760,372,685.101171
https://hackaday.com/2022/05/21/turtleauth-diy-security-token-gets-redesigned-for-durable-everyday-use/
TurtleAuth DIY Security Token Gets (Re)designed For Durable, Everyday Use
Donald Papp
[ "Microcontrollers", "Security Hacks" ]
[ "durable", "gpg", "hardware token", "pcb", "security", "U2F" ]
https://hackaday.com/wp-…design.jpg?w=800
[Samuel]’s first foray into making DIY hardware authentication tokens was a great success, but he soon realized that a device intended for everyday carry and use has a few different problems to solve, compared to a PCB that lives and works on a workbench. This led to TurtleAuth 2.1, redesigned for everyday use and luck...
15
4
[ { "comment_id": "6476537", "author": "Sjaak", "timestamp": "2022-05-21T12:31:51", "content": "Nice build.He should use it to add security traces into the pcb.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6476546", "author": "RW ver 0.0.3", "timestamp...
1,760,372,685.055121
https://hackaday.com/2022/05/21/the-thin-film-flexible-6502/
The Thin-Film Flexible 6502
Jenny List
[ "Parts", "Retrocomputing" ]
[ "6502", "flexible circuits", "tft" ]
https://hackaday.com/wp-…atured.jpg?w=800
While our attention is mostly directed towards ever smaller-integrated silicon circuits providing faster and faster computing, there’s another area of integrated electronics that operates at a much lower speed which we should be following. Thin-film flexible circuitry will provide novel ways to place electronics where ...
13
6
[ { "comment_id": "6476545", "author": "RW ver 0.0.3", "timestamp": "2022-05-21T13:29:37", "content": "Hmmm, a step closer to making the “Young Lady’s Illustrated Primer” in the form factor of an actual book perchance?", "parent_id": null, "depth": 1, "replies": [ { "comment_...
1,760,372,685.149528
https://hackaday.com/2022/05/20/sisyphean-ball-race-robot-toils-gracefully-magnetically/
Sisyphean Ball Race Robot Toils Gracefully, Magnetically
Kristina Panos
[ "Arduino Hacks", "Robots Hacks" ]
[ "arduino", "ball race", "f'n magnets", "linear actuator", "marble run", "Sisyphus" ]
https://hackaday.com/wp-…ot-800.jpg?w=800
Aren’t ball races and marble runs fun? Wouldn’t they be so much more enjoyable if you didn’t have to climb back up the ladder each time, as it were, and reset the thing? [Johannes] wrote in to tell us about a wee robot with the Sisyphean task of setting a ball bearing on a simple but fun course, collecting it from the ...
5
4
[ { "comment_id": "6476524", "author": "boss", "timestamp": "2022-05-21T09:00:58", "content": "Nice.", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6476528", "author": "johnrpm", "timestamp": "2022-05-21T09:53:23", "content": "I once saw a video of a...
1,760,372,685.193259
https://hackaday.com/2022/05/20/practice-makes-perfect-for-this-ball-and-socket-robot/
Practice Makes Perfect For This Ball And Socket Robot
Anne Ogborn
[ "Robots Hacks" ]
[ "ball and socket", "robot", "robotics" ]
https://hackaday.com/wp-…eature.png?w=800
Ball and socket joints are useful, but making a part slide over the surface of a sphere, held by magnets, requires a lot of fiddling to get right. We admire persistence and nailing all the details. [Matthew Finlay] has been doing just that with his ball and socket robot. He’s on version six , a testament to his desire ...
3
1
[ { "comment_id": "6476482", "author": "Tom Hargrave", "timestamp": "2022-05-21T03:22:44", "content": "This looks like a great project.I’ve been thinking of a project that could use something like this once it’s strong enough – an automatic pulses watering system. Think of something stationary on the ...
1,760,372,685.228799
https://hackaday.com/2022/05/22/expedient-jig-lets-you-crank-out-chain-link-fence/
Expedient Jig Lets You Crank Out Chain Link Fence
Al Williams
[ "Tool Hacks" ]
[ "chain link fence", "fence" ]
https://hackaday.com/wp-…/chain.png?w=800
After the zombie apocalypse or whatever is coming, folks like us will be in high demand as the people who know how to fix things, generate electricity, and scavenge parts. But keeping out marauding zombies and neighbors requires fencing. Can you make your own chain link fence? If you watch [Diamleon]’s recent video , y...
17
9
[ { "comment_id": "6476774", "author": "pmichaelh", "timestamp": "2022-05-22T17:32:38", "content": "That’s a little bit of awsome! Next step, have it assemble the wires as it bends them!", "parent_id": null, "depth": 1, "replies": [] }, { "comment_id": "6476793", "author": "IIV...
1,760,372,685.355887