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https://hackaday.com/2018/04/20/this-is-your-last-chance-to-design-the-greatest-in-open-hardware/ | This Is Your Last Chance To Design The Greatest In Open Hardware | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize"
] | This is the last weekend to get in on the
Open Hardware Design Challenge
, the first challenge of the 2018 Hackaday Prize. We’re looking for the boldest idea you can come up with. We want to see the beginnings of the next great bit of Open Hardware, and this is your chance to do it.
The Hackaday community has thrown it... | 10 | 1 | [
{
"comment_id": "4491798",
"author": "janostman",
"timestamp": "2018-04-20T19:56:53",
"content": "You have a real problem with Hackaday.io putting people off posting projects.That is why there is such a low interrest.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment... | 1,760,374,401.538261 | ||
https://hackaday.com/2018/04/20/e-textiles-spring-break-tackels-signal-blocking-audio-generation-and-radio-transmissions/ | ETextile Spring Break Tackles Signal Blocking, Audio Generation, And Radio Transmissions | Lara Grant | [
"Featured",
"Wearable Hacks"
] | [
"conductive fabric",
"conductive thread",
"conductive yarn",
"e-textiles",
"events",
"soft circuits",
"wearable electronics"
] | Finding a killer application for e-textiles is the realm of the hacker and within that realm, anything goes. Whether it’s protecting your digital privacy with signal shielding, generating audio with a wearable BeagleBone or 555 timer, or making your favorite garment into an antenna, the eTextile Spring Break is testing... | 12 | 9 | [
{
"comment_id": "4491604",
"author": "Ren",
"timestamp": "2018-04-20T17:21:35",
"content": "“You may be asking yourself “What are e-textiles good for?”.”I for one, am glad someone is asking the question!Thanks for the article.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,401.966646 | ||
https://hackaday.com/2018/04/20/laser-projector-ditches-galvanometer-for-spinning-drum/ | Laser Projector Ditches Galvanometer For Spinning Drum | Ben James | [
"Laser Hacks"
] | [
"arduino",
"diy",
"drum",
"galvanometer",
"laser",
"mirror",
"portable",
"projector"
] | Laser projectors like those popular in clubs or laser shows often use mirror galvanometers to reflect the laser and draw in 2D. Without galvos, and on a tight budget, [Vitaliy Mosesov] decided that instead of downgrading the quality, he would seek an entirely different solution:
a spinning mirror drum
.
He fires a lase... | 25 | 11 | [
{
"comment_id": "4491499",
"author": "CRJEEA",
"timestamp": "2018-04-20T15:47:06",
"content": "Now wondering if it may be possible to print the scanning pattern onto a disk.Maybe take an old hdd platter and imprint precisely angled indentations so that as the platter is spun it moves in both the x a... | 1,760,374,401.815921 | ||
https://hackaday.com/2018/04/19/bent-petg-fills-a-nixie-gap/ | Bent PETG Fills A Nixie Gap | Drew Risinger | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printer filament",
"3d printing filament",
"clear filament",
"led",
"LED Filaments",
"nixie",
"nixie tube alternative",
"PETG"
] | Have you ever thought that Nixie tubes are cool but too hard to control with modern electronics? And that they’re just too expensive? [david.reid] apparently thought so and
decided to create his own version of a Nixie tube
, and it doesn’t get much cheaper than this.
PETG Nixie Tube
While working on a 3D printed locomo... | 21 | 8 | [
{
"comment_id": "4490342",
"author": "rnjacobs",
"timestamp": "2018-04-19T18:49:55",
"content": "Personally, I’d be inclined to call it faux neon instead of a nixie, but that’s still useful.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4490367",
"author"... | 1,760,374,402.301075 | ||
https://hackaday.com/2018/04/19/when-4-1-equals-8-an-advanced-take-on-pointers-in-c/ | When 4 + 1 Equals 8: An Advanced Take On Pointers In C | Sven Gregori | [
"Featured",
"Original Art",
"Skills",
"Software Development"
] | [
"C language",
"c programming",
"c/c++",
"programming language",
"software development"
] | In our
first part on pointers
, we covered the basics and common pitfalls of pointers in C. If we had to break it down into one sentence, the main principle of pointers is that they are simply data types storing a memory address, and as long as we make sure that we have enough memory allocated at that address, everythi... | 104 | 19 | [
{
"comment_id": "4490205",
"author": "Ostracus",
"timestamp": "2018-04-19T17:16:18",
"content": "Wonder if the comment section is going to be as lively as last time?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4490217",
"author": "barbudor",
... | 1,760,374,402.12069 | ||
https://hackaday.com/2018/04/19/completely-scratch-built-electronic-speed-controller/ | Completely Scratch-Built Electronic Speed Controller | Al Williams | [
"Misc Hacks"
] | [
"BLDC",
"BLDC controller",
"brushless DC motor",
"h-bridge",
"hall effect",
"hall effect sensor",
"hbridge",
"motor controller"
] | Driving a brushless motor requires a particular sequence. For the best result, you need to close the loop so your circuit can apply the right sequence at the right time. You can figure out the timing using a somewhat complex circuit and monitoring the electrical behavior of the motor coils. Or you can use sensors to de... | 13 | 3 | [
{
"comment_id": "4490198",
"author": "Ostracus",
"timestamp": "2018-04-19T17:11:19",
"content": "Nice thing about BDLC, despite the complexity is the wide availability of ICs to do the hard work. Even the H-bridge isn’t that hard.https://www.digikey.com/en/articles/techzone/2013/mar/an-introduction-... | 1,760,374,401.58956 | ||
https://hackaday.com/2018/04/19/mechanisms-hook-and-loop-fasteners/ | Mechanisms: Hook And Loop Fasteners | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Slider"
] | [
"burr",
"fabric",
"fasteners",
"hook and loop",
"Mechanisms",
"nylon",
"textile",
"velcro"
] | As a species, we’ve done a pretty good job at inventing some useful devices. But as clever as we think we are, given sufficient time, natural selection will beat us at our game at almost every turn. So it makes sense that many of our best inventions are inspired by nature and the myriad ways life finds to get DNA from ... | 35 | 13 | [
{
"comment_id": "4490023",
"author": "Skinner927",
"timestamp": "2018-04-19T14:40:53",
"content": "It’s called hook and loop!https://www.youtube.com/watch?v=rRi8LptvFZY",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4490035",
"author": "Al Williams",... | 1,760,374,401.898799 | ||
https://hackaday.com/2018/04/19/unlock-talk-open-source-bootloader-modem/ | Unlock & Talk: Open Source Bootloader & Modem | Drew Risinger | [
"Cellphone Hacks",
"Phone Hacks",
"Radio Hacks",
"Slider"
] | [
"2g",
"3g",
"android",
"linux",
"postmarketos",
"smartphone"
] | During the early years of cell phones, lifespan was mainly limited by hardware (buttons wearing out, dropping phones, or water damage), software is a primary reason that phones are replaced today. Upgrades are often prompted by dissatisfaction with a slow phone, or manufacturers simply stopping updates to phone softwar... | 13 | 6 | [
{
"comment_id": "4489958",
"author": "Ren",
"timestamp": "2018-04-19T13:30:48",
"content": "“Upgrades are often prompted by dissatisfaction with a slow phone, or manufacturers simply stopping updates to phone software after a few years at best.”Or, as I see it, the updates are the cause of the slow ... | 1,760,374,401.743946 | ||
https://hackaday.com/2018/04/19/raspberry-pi-w-antenna-analysis-reveals-clever-design/ | Raspberry Pi W Antenna Analysis Reveals Clever Design | Richard Baguley | [
"Raspberry Pi",
"Slider",
"Teardown",
"Wireless Hacks"
] | [
"2.4 ghz",
"antenna",
"Antenna Design",
"Raspberry Pi W",
"wifi",
"wireless"
] | The old maxim is that if you pay peanuts, you get a monkey. That’s no longer true, though: devices like the Raspberry Pi W have shown that a $10 device can be remarkably powerful if it is well designed. You might not appreciate how clever this design is sometimes, but this
great analysis of the antenna of the Pi W
by [... | 25 | 9 | [
{
"comment_id": "4489653",
"author": "jkxathome",
"timestamp": "2018-04-19T08:23:16",
"content": "But how does it perform compared to the most used PCB pattern (PIFA) ? This is the real question, should we use this instead of PIFA ?",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,402.183962 | ||
https://hackaday.com/2018/04/18/browsing-modern-day-bbs-on-the-epson-px-8-laptop/ | Browsing Modern Day BBS On The Epson PX-8 Laptop | Tom Nardi | [
"classic hacks",
"Raspberry Pi",
"Retrocomputing"
] | [
"bbs",
"Epson PX-8",
"raspberry pi",
"serial cable"
] | As you read this, there are still people chatting away on Bulletin Board Systems all over the world. Running on newly written software and without the need to actually use a dial-up modem, these (slightly) more modern takes on the BBSs of yore can be compelling diversion for those who might want to decompress a bit fro... | 24 | 7 | [
{
"comment_id": "4489494",
"author": "zuul",
"timestamp": "2018-04-19T05:58:37",
"content": "hmm px-8, it’s got cherry m8 switches",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4489537",
"author": "notbad",
"timestamp": "2018-04-19T06:41:06"... | 1,760,374,402.241247 | ||
https://hackaday.com/2018/04/18/sdr-if-experiments/ | SDR IF Experiments | Al Williams | [
"Radio Hacks"
] | [
"Airspy",
"IF",
"R820T",
"sdr"
] | The R820T tuner IC is used in the popular Airspy software defined radio (SDR) as well as many of the inexpensive RTL SDR dongles. [TLeconte] did some experiments on intermediate frequency (IF) configuration of the chip, and you’ll
find his results interesting
.
Using 5 million samples per second and the device’s real m... | 23 | 7 | [
{
"comment_id": "4489329",
"author": "Phillip",
"timestamp": "2018-04-19T02:24:18",
"content": "Nice article, where’s the rest of it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4489334",
"author": "Age",
"timestamp": "2018-04-19T02:33:02"... | 1,760,374,402.361303 | ||
https://hackaday.com/2018/04/18/classic-american-dial-phone-gets-a-gsm-makeover/ | Classic American Dial Phone Gets A GSM Makeover | Dan Maloney | [
"classic hacks",
"Phone Hacks"
] | [
"cell",
"fona",
"gsm",
"landline",
"Model 500",
"retro",
"ringer",
"western electric"
] | For sturdy utilitarianism, there were few designs better than the Western Electric Model 500 desk phone. The 500 did one thing and did it well, and remained essentially unchanged from the mid-1940s until Touch Tone phones started appearing in the early 70s. That doesn’t mean it can’t have a place in the modern phone sy... | 14 | 8 | [
{
"comment_id": "4489200",
"author": "Bunsen",
"timestamp": "2018-04-18T23:22:03",
"content": "This is basically the same project that introduced me to a strange little site called SparkFun ages ago, before I had ever heard the name “Arduino.”https://www.sparkfun.com/tutorials/51",
"parent_id": ... | 1,760,374,402.411154 | ||
https://hackaday.com/2018/04/18/the-one-transistor-flip-flop/ | The One-Transistor Flip-Flop | Brian Benchoff | [
"Misc Hacks"
] | [
"diode diode logic",
"diode logic",
"flip-flop",
"logic",
"transistor"
] | A flip-flop is one of the most basic digital electronic circuits. It can most easily be built from just two transistors, although they can and have been built out of vacuum tubes, NAND and NOR gates, and Minecraft redstone. Conventional wisdom says you can’t build a flip-flop with just one transistor,
but here we are
.... | 35 | 14 | [
{
"comment_id": "4488995",
"author": "Ostracus",
"timestamp": "2018-04-18T20:13:28",
"content": "“Either way, it’s a clever application of diodes and an amazing expression of the creativity that can be found on a breadboard.”Weird as using the very properties of a board as part of the function.",
... | 1,760,374,402.47892 | ||
https://hackaday.com/2018/04/18/tesselated-worklights-are-nifty-modular/ | Tesselated Worklights Are Nifty, Modular | Lewin Day | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"led",
"lighting"
] | Electric lighting – is there anything it can’t do? Coming in all manner of forms and flavours, you can get everything from a compact reading lamp to a blindingly powerful worklight for your garage. Generally, different lights are built in different ways to suit their purpose, but it’s not the only way to do things.
Ent... | 20 | 6 | [
{
"comment_id": "4488920",
"author": "Ostracus",
"timestamp": "2018-04-18T18:37:04",
"content": "LEGO Lights. :-D“Electric lighting – is there anything it can’t do? Coming in all manner of forms and flavours, you can get everything from a compact reading lamp to a blindingly powerful worklight for y... | 1,760,374,403.213301 | ||
https://hackaday.com/2018/04/18/when-hackerspace-directors-burn-out/ | When Hackerspace Directors Burn Out | Jenny List | [
"Hackaday Columns",
"Hackerspaces",
"Interest",
"News",
"Original Art"
] | [] | A friend of mine once suggested that there should be a support group for burned-out former hackerspace directors. We could have our own Village of the Damned at summer camps, where we’d sit moodily in the gathering twilight sipping our bourbon and Club Mate and decrying whatever misfortunes came to our space to leave s... | 78 | 31 | [
{
"comment_id": "4488852",
"author": "Evil Bok",
"timestamp": "2018-04-18T17:26:14",
"content": "“A friend of mine once suggested that there should be a support group for burned-out former hackerspace directors.”” We could have our own Village of the Damned”That’s a great idea!Of course, this is goi... | 1,760,374,403.15978 | ||
https://hackaday.com/2018/04/18/friday-hack-chat-circuit-board-art/ | Friday Hack Chat: Circuit Board Art | Brian Benchoff | [
"Hackaday Columns"
] | [
"circuit board art",
"Friday Hack Chat",
"Hack Chat",
"pcb",
"Printed Circuit Board"
] | We are now in a golden age of printed circuit boards. It wasn’t too long ago that making your own circuit boards either involved a lot of money, or slightly less money and using some proprietary garbage PCB layout tool. Now, every board house speaks Gerber, and you can get a ten-pack of PCBs from China for five bucks. ... | 14 | 8 | [
{
"comment_id": "4488835",
"author": "Robert Mateja",
"timestamp": "2018-04-18T17:06:00",
"content": "a bit of promotion as it’s close related to topichttps://hackaday.io/project/28474-pic-o-matic",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4488837",
"a... | 1,760,374,403.033772 | ||
https://hackaday.com/2018/04/18/fire-vortex-cannon-need-we-say-more/ | Fire. Vortex. Cannon. Need We Say More? | James Hobson | [
"Weapons Hacks"
] | [
"cannon",
"EDF",
"fire",
"flamethrower",
"flammenwerfer",
"gun",
"jet",
"nerf",
"tornado",
"vortex"
] | Tornadoes are a rightfully feared natural disaster. Fire tornadoes are an especially odious event to contend with — on top of whatever else is burning. But, a
fire vortex cannon
? That’s some awesome eye candy.
The madman behind this cannon belching huge gouts of fire is none other than Youtuber [JAIRUS OF ALL]. This b... | 8 | 6 | [
{
"comment_id": "4488745",
"author": "J Jingleheimer",
"timestamp": "2018-04-18T15:35:26",
"content": "YOU WILL DREAM OF FLAMES AND NOTHING ELSE.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4488804",
"author": "Perry Levac",
"timestamp": "2018-04-18... | 1,760,374,402.841189 | ||
https://hackaday.com/2018/04/17/automating-the-design-of-word-clocks/ | Automating The Design Of Word Clocks | Brian Benchoff | [
"clock hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"ISSI",
"led matrix",
"matrix",
"word clock"
] | Word clocks, or a matrix of light-up letters that spell out the time, are a standard build for all enterprising electronics enthusiasts. The trouble is finding the right way to drive a matrix of LEDs and the significant amount of brainpower that goes into creating a matrix of letters that will spell out the time withou... | 9 | 6 | [
{
"comment_id": "4487649",
"author": "quizno",
"timestamp": "2018-04-17T18:43:23",
"content": "I just used a word search maker that allowed me to specify direction to avoid “backwards” words.I built my own top and bottom rows, so I could put my own strings at the top left and bottom right.",
"pa... | 1,760,374,402.97886 | ||
https://hackaday.com/2018/04/17/beatrice-tinsley-and-the-evolution-of-galaxies/ | Beatrice Tinsley And The Evolution Of Galaxies | Kristina Panos | [
"Biography",
"Featured",
"Original Art"
] | [
"Beatrice Tinsley",
"cosmology",
"FORTRAN",
"Galaxy",
"galaxy evolution",
"redshift"
] | It seems almost absurd now, but cosmologists once assumed that galaxies of a given type were all the same and didn’t change. Because of this assumption, galaxies were used as a
redshift
or light-based yardstick to measure distances in the universe. But what if some galaxies were intrinsically redder than others? Little... | 10 | 5 | [
{
"comment_id": "4487617",
"author": "Attempting Reasonability",
"timestamp": "2018-04-17T17:57:27",
"content": "Apparently she also proved…..…That life is too short :-(",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4488559",
"author": "codeasm",
... | 1,760,374,403.266743 | ||
https://hackaday.com/2018/04/17/3d-printing-watertight-containers/ | 3D Printing Watertight Containers | Al Williams | [
"3d Printer hacks"
] | [
"3d printing",
"airtight",
"watertight"
] | Most normal 3D prints are not watertight. There are a few reasons for this, but primarily it is little gaps between layers that is the culprit. [Mikey77] was determined to come up with a process for creating watertight objects and he
shared his results
.
The trick is to make the printer over extrude slightly. This caus... | 21 | 6 | [
{
"comment_id": "4487614",
"author": "Attempting Reasonability",
"timestamp": "2018-04-17T17:50:21",
"content": "When it comes to the food safety of 3d printed objects I get the concern about additives in the filament. I also understand the concern that the ridges provide too much surface where bact... | 1,760,374,403.755743 | ||
https://hackaday.com/2018/04/17/beeping-the-enemy-into-submission/ | Beeping The Enemy Into Submission | Christian Trapp | [
"Engineering",
"Featured",
"History",
"Radio Hacks"
] | [
"antennaa",
"battle of britain",
"britain",
"guidance system",
"jamming",
"Knickebein",
"radar",
"Wotan",
"wwii"
] | In July 1940 the German airforce began bombing Britain. This was met with polite disagreement on the British side — and with high technology, ingenuity, and improvisation. The defeat of the Germans is associated with anti-aircraft guns and fighter planes, but a significant amount of potential damage had been averted by... | 45 | 10 | [
{
"comment_id": "4487345",
"author": "Ren",
"timestamp": "2018-04-17T14:14:07",
"content": "“Whether or on this was actually used is up for detabe. this was actually achieved, is unclear.”???",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4487439",
"... | 1,760,374,403.442805 | ||
https://hackaday.com/2018/04/17/fail-of-the-week-an-electric-bicycle-powered-by-aa-batteries/ | Fail Of The Week: An Electric Bicycle, Powered By AA Batteries | Brian Benchoff | [
"Fail of the Week",
"Hackaday Columns"
] | [
"battery",
"DC supply",
"electric bicycle",
"fail of the week",
"supercapacitors"
] | Very slowly, some very cool parts are coming out on the market that will make for some awesome builds. Supercapacitors are becoming a thing, and every year, the price of these high power supercaps go a little lower, and the capacity gets a little higher. It’s really only a matter of time before someone hacks some super... | 47 | 11 | [
{
"comment_id": "4487188",
"author": "yetihehe",
"timestamp": "2018-04-17T11:44:16",
"content": "How much current can those supercaps really give? 24Vx10A for several seconds – that’s pretty low. 7 li-on 18650 batteries can give you over 26Vx30A for several minutes and will cost about $35.",
"pa... | 1,760,374,403.355277 | ||
https://hackaday.com/2018/04/17/build-your-own-supercomputer-with-esp32s/ | Build Your Own Supercomputer With ESP32s | Bryan Cockfield | [
"computer hacks"
] | [
"cluster",
"computer",
"Computing",
"ESP32",
"parallel"
] | If the computer you have isn’t particularly fast, there’s a well-documented way to get more out of it. You just need more of the same computer, and you can run your tasks on them all at the same time. Building computer clusters is an effective way of decreasing the time it takes for computers to solve certain problems,... | 22 | 8 | [
{
"comment_id": "4487004",
"author": "Jeffo",
"timestamp": "2018-04-17T08:38:19",
"content": "Mmmm blinky lights",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4487014",
"author": "ggdrghhj",
"timestamp": "2018-04-17T08:46:10",
"content": "The trou... | 1,760,374,403.500217 | ||
https://hackaday.com/2018/04/16/motion-controlled-kvm-switch/ | Motion-Controlled KVM Switch | James Hobson | [
"ATtiny Hacks",
"hardware"
] | [
"gesture",
"i2c",
"infrared",
"input",
"jedi",
"keyboard",
"mouse",
"server",
"video"
] | Once upon a time, [hardwarecoder] acquired a Gen8 HP microserver that he began to toy around with. It started with ‘trying out’ some visualization before spiraling off the rails and fully setting up FreeBSD with ZFS as a QEMU-KVM virtual machine. While wondering what to do next, he happened to be lamenting how he could... | 7 | 5 | [
{
"comment_id": "4486836",
"author": "bty",
"timestamp": "2018-04-17T06:16:21",
"content": "i wish monitors (or gpu’s?) wouldn’t take so long to switch to another source. I imagine back in the VGA days the monitor would probably need to scan a few fields to average some signal threshold levels etc.,... | 1,760,374,403.547432 | ||
https://hackaday.com/2018/04/18/fix-your-insecure-amazon-fire-tv-stick/ | Fix Your Insecure Amazon Fire TV Stick | Tom Nardi | [
"Android Hacks",
"Featured",
"home entertainment hacks",
"Security Hacks",
"Slider"
] | [
"adb",
"amazon",
"android",
"chromecast",
"Fire TV Stick",
"streaming"
] | I recently spent a largely sleepless night at a hotel, and out of equal parts curiosity and boredom, decided to kill some time scanning the guest network to see what my fellow travelers might be up to. As you’d probably expect, I saw a veritable sea of Samsung and Apple devices. But buried among the seemingly endless n... | 48 | 16 | [
{
"comment_id": "4488632",
"author": "Ren",
"timestamp": "2018-04-18T14:09:21",
"content": "Thanks,about a year ago a friend was telling me about how he bought a Firestick and installed downloaded software which allows him to watch Netflix, etc.I wonder if he thought of turning the Developer Options... | 1,760,374,403.695112 | ||
https://hackaday.com/2018/04/18/this-thermal-printer-has-serious-game/ | This Thermal Printer Has Serious Game | Brian McEvoy | [
"Nintendo Game Boy Hacks",
"Peripherals Hacks"
] | [
"game boy",
"gameboy",
"nintendo",
"peripheral",
"printer",
"protocol",
"sniffing",
"STM32F4",
"Thermal"
] | [Dhole], like the fox, isn’t the first to connect his computer to a Game Boy printer but he has done a remarkable job of documenting the process so well that anyone can follow. The operation is described well enough that it isn’t necessary to scrutinize his code, so don’t be put off if C and Rust are not your first cho... | 11 | 2 | [
{
"comment_id": "4488551",
"author": "cyk",
"timestamp": "2018-04-18T11:20:41",
"content": "I wonder why people still mess around with the worst camera and printer ever.Thermal printers can be found for <$5 on Ebay, even older ones with a serial port, if you want to connect it to a microcontroller. ... | 1,760,374,403.598769 | ||
https://hackaday.com/2018/04/18/dispensing-solder-paste-automatically/ | Dispensing Solder Paste Automatically | Brian Benchoff | [
"Tool Hacks"
] | [
"solder paste",
"solder paste dispenser",
"syringe",
"tools"
] | Through-hole chips are slowly falling by the wayside, and if you want to build something with new parts you will be using surface mount components. This means spreading paste and throwing it in the toaster oven. Of course, if you don’t want to take the time to get a stencil for your solder paste, you can always lay it ... | 48 | 17 | [
{
"comment_id": "4488426",
"author": "Murray",
"timestamp": "2018-04-18T08:27:24",
"content": "Nice job, there are commercial alternatives, but they can be difficult to find. The one I like is the MD100 from magnum products. It is manual but only 20 us dollars.",
"parent_id": null,
"dept... | 1,760,374,404.073973 | ||
https://hackaday.com/2018/04/17/keeping-streets-ice-free-with-the-raspberry-pi/ | Keeping Streets Ice-Free With The Raspberry Pi | Tom Nardi | [
"Raspberry Pi",
"Transportation Hacks"
] | [
"dht22",
"HC-SR501",
"ice",
"raspberry pi",
"sql",
"university of glasgow"
] | [Revanth Kailashnath] writes in to tell us about an interesting project he and his team have been working on for their “Real Time Embedded Programming” class at the University of Glasgow. Intended to combat the harsh and dangerous winters in Glasgow, their system uses a Raspberry Pi and a suite of sensors to
automatica... | 33 | 10 | [
{
"comment_id": "4488161",
"author": "Haista Paska",
"timestamp": "2018-04-18T05:11:14",
"content": "That is useless when there snows that much. The salt will just make the snow mush. How would you even spray the salt? I say useless. Use sand or grit.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,403.856047 | ||
https://hackaday.com/2018/04/17/diy-magnetic-actuator-illustrated-and-demonstrated/ | DIY Magnetic Actuator, Illustrated And Demonstrated | Donald Papp | [
"how-to"
] | [
"3d printed",
"actuator",
"coil",
"diy",
"electromechanical",
"flip-dot",
"magnet",
"magnetic",
"magnetic actuator"
] | Electromagnetic actuators exert small amounts of force, but are simple and definitely have their niche. [SeanHodgins] took a design that’s common in flip-dot displays as well as the lightweight RC aircraft world and
decided to make his own version
. He does a good job of explaining and demonstrating the basic principle... | 11 | 5 | [
{
"comment_id": "4488330",
"author": "Dr Joni Pelham (@jonititan)",
"timestamp": "2018-04-18T07:17:12",
"content": "This actuator type is frequently used for ultra light model aircraft",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4489949",
"author"... | 1,760,374,403.98959 | ||
https://hackaday.com/2018/04/17/why-wont-this-darn-thing-charge/ | Why Won’t This Darn Thing Charge? | Brian McEvoy | [
"Cellphone Hacks",
"Phone Hacks"
] | [
"charger",
"direct current",
"phone",
"plug",
"resistor",
"socket",
"tablet",
"usb"
] | What is more fun than plugging in your phone and coming back to find your battery on empty? Stepping on a LEGO block with bare feet or arriving hungry at a restaurant after closing probably qualify. [Alex Sidorenko] won’t clean your floors or order you a pizza, but he can help you understand why
cheap chargers won’t al... | 33 | 12 | [
{
"comment_id": "4487970",
"author": "Galane",
"timestamp": "2018-04-17T23:24:05",
"content": "This is part of the way there. How about a universal one that tests the source to see what it can provide and checks the device to see what it expects, then automatically configures itself to provide the m... | 1,760,374,404.192513 | ||
https://hackaday.com/2018/04/17/diy-drill-powered-water-pump/ | DIY Drill-Powered Water Pump | Kristina Panos | [
"classic hacks",
"how-to"
] | [
"centrifugal pump",
"drill",
"water pump"
] | Whether you need to pump water out of your basement this spring, or just want to have fun shooting water around in the yard this summer,
here’s a way to build a pump instead of buying one
. This is a simple but ingenious build, and [NavinK30] did everything shy of machining his own hardware and making his own tools. We... | 14 | 9 | [
{
"comment_id": "4487743",
"author": "MrOddPub (@MrOddPub)",
"timestamp": "2018-04-17T20:03:48",
"content": "I did this with my cheap black and decker drill, but turned it into a peristaltic pump. I had to get gas out of my gas tank(gas was pretty much done).You can find 3d printable(and customizabl... | 1,760,374,404.12286 | ||
https://hackaday.com/2018/04/16/low-resolution-display-provides-high-nostalgia-animations/ | Low-Resolution Display Provides High-Nostalgia Animations | Dan Maloney | [
"LED Hacks"
] | [
"animation",
"ESP826",
"GIF",
"led",
"matric",
"NodMCU",
"P10",
"rgb"
] | High-definition displays are the de facto standard today, and we’ve come to expect displays that show every pore, blemish, and bead of sweat on everything from phones to stadium-sized Jumbotrons. Despite this, low-resolution displays continue to have a nostalgic charm all their own.
Take
this 32 x 16 display, dubbed P... | 14 | 6 | [
{
"comment_id": "4484394",
"author": "elmesito",
"timestamp": "2018-04-16T11:51:09",
"content": "Dammit, another project to add to my to do list.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6239025",
"author": "Peter Vypušťák",
"timestamp"... | 1,760,374,404.243102 | ||
https://hackaday.com/2018/04/16/custom-built-vacuum-tube-cassette-player/ | Custom Built Vacuum Tube Cassette Player | Tom Nardi | [
"classic hacks",
"Portable Audio Hacks",
"Slider"
] | [
"audio cassette",
"custom PCB",
"miniature vacuum tube",
"soviet"
] | As we’ve said many times here on Hackaday, it’s not our place to question
why
people make the things they make. There’s a legitimate need or utility for many of the projects we cover, no doubt about it. But there’s also a large number of them which are so convoluted that they border on absurd. Not that we love the craz... | 40 | 14 | [
{
"comment_id": "4484045",
"author": "raph38",
"timestamp": "2018-04-16T08:11:18",
"content": "makes it nuclear attack resistant ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4486107",
"author": "T_Riddle",
"timestamp": "2018-04-16T21:28... | 1,760,374,404.361863 | ||
https://hackaday.com/2018/04/15/workshops-announced-for-hackaday-belgrade/ | Workshops Announced For Hackaday Belgrade | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"Hackaday Belgrade",
"Hackaday Belgrade 2018",
"workshops"
] | Hackaday is hosting a full conference in Belgrade, Serbia, on 26 May. Today we’re excited to announce the workshops that will take place at Hackaday Belgrade. Workshop tickets are available now, but space is extremely limited and we expect these workshops to fill up fast so
purchase your ticket right now
!
Details of e... | 4 | 3 | [
{
"comment_id": "4484305",
"author": "Alex",
"timestamp": "2018-04-16T10:54:51",
"content": "Maybe the time should be mentioned, just in case someone want to get tickets to more then one workshop, so they don’t overlap",
"parent_id": null,
"depth": 1,
"replies": [
{
"commen... | 1,760,374,404.28233 | ||
https://hackaday.com/2018/04/15/rip-dip-arm/ | RIP DIP ARM | Jenny List | [
"News",
"Parts"
] | [
"arm",
"dip",
"lpc810",
"microcontrollers"
] | Every month, semiconductor manufacturers across the globe retire old devices. A product that has been superseded, isn’t selling well, or maybe whose application has declined, is removed from the catalogue and ceases to be manufactured. Usually these moments pass unnoticed, just one old device among many. Who is going t... | 36 | 11 | [
{
"comment_id": "4483847",
"author": "Severe Tire Damage",
"timestamp": "2018-04-16T05:17:40",
"content": "“if you really must use an ARM core rather than any of the myriad 8, 16, or….”I absolutely “must” (or prefer at any rate to) use an ARM core — but I don’t have any crying need for a DIP package... | 1,760,374,404.434434 | ||
https://hackaday.com/2018/04/15/superb-wood-floor-inlay-shows-off-computer-augmented-tools/ | Superb Wood Floor Inlay Shows Off Computer-Augmented Tools | Kerry Scharfglass | [
"cnc hacks",
"Tool Hacks"
] | [
"cnc",
"CNC woodworking",
"floor",
"Shaper",
"wooden CNC router"
] | It’s been a few years since we first started hearing about “tools of the future changing the way we work” but
this astounding whole-room floor inlay
might be the best argument for them yet.
The Shaper Origin
A couple of years ago
we wrote a hands-on preview
of a unique tool called the
Shaper Origin
. If a milling machi... | 24 | 11 | [
{
"comment_id": "4483708",
"author": "kitlaughlin",
"timestamp": "2018-04-16T02:14:09",
"content": "Truly beautiful, and a perfect application for this unique tool.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4488857",
"author": "Rodney McKay",
... | 1,760,374,404.500436 | ||
https://hackaday.com/2018/04/15/hackaday-links-april-15th-2018/ | Hackaday Links: April 15th, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"cyberpunk",
"embroidery",
"Scooters"
] | San Fransisco is awash in electric scooters
. Three companies — Lime, Bird, and Spin — have been dumping ‘smart’ electric scooters on the sidewalks of San Fransisco over the last few weeks. The business plan for all these companies is to allow anyone to ride them via an app. $1 unlocks the scooter, and rides are fiftee... | 42 | 22 | [
{
"comment_id": "4483564",
"author": "Ostracus",
"timestamp": "2018-04-16T00:07:11",
"content": "“No one, it appears, is looking at the upside of abandoned, dead electric scooters: they’re a remarkable source of lithium batteries and brushless motors. ”Maybe that’s why trains as a main form of trans... | 1,760,374,404.576913 | ||
https://hackaday.com/2018/04/15/rotary-encoders-become-i2c-devices/ | Rotary Encoders Become I2C Devices | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"i2c",
"rotary encoder"
] | Rotary encoders are the bee’s knees. Not only do you get absolute positioning, you can also use a rotary encoder (with a fancy tact button underneath) for an easy UI for any electronics project. There’s a problem with rotary encoders, though: it’s going to use Gray code or something weird, and getting a rotary encoder ... | 42 | 13 | [
{
"comment_id": "4483152",
"author": "scott t",
"timestamp": "2018-04-15T20:08:26",
"content": "looks like they’re for sale on ebay. $13 each. ouch.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4483163",
"author": "Ostracus",
"timestamp": "... | 1,760,374,404.697851 | ||
https://hackaday.com/2018/04/15/fail-of-the-week-casting-a-bolt-in-a-3d-printed-mold/ | Fail Of The Week: Casting A Bolt In A 3D-Printed Mold | Mike Szczys | [
"3d Printer hacks",
"Fail of the Week"
] | [
"casting",
"fail of the week",
"mold making",
"plaster"
] | Here’s a weird topic as a Fail of the Week. [Pete Prodoehl] set out to
make a bolt the wrong way just to see if he could
. Good for you [Pete]! This is a great way to learn non-obvious lessons and a wonderful conversation starter which is why we’re featuring it here.
The project starts off great with a model of the bol... | 25 | 11 | [
{
"comment_id": "4482962",
"author": "Internet",
"timestamp": "2018-04-15T17:30:59",
"content": "http://lcamtuf.coredump.cx/gcnc/ch4/Guide to resin castinghttp://www.nashua.edu/paradisem1/Machinery%27s%20Handbook%2027th/27_Thread_09A.pdfGuide to threadsThreads are kind of complicated when you drill ... | 1,760,374,404.76522 | ||
https://hackaday.com/2018/04/15/hackaday-tindie-uk-tour-adds-milton-keynes/ | Hackaday & Tindie UK Tour Adds Milton Keynes | Jenny List | [
"cons"
] | [
"cambridge",
"Hackaday London Meetup",
"london",
"Milton Keynes",
"MK Makerspace",
"Nottingham",
"uk",
"UK Bring-A-Hack"
] | Hackaday and Tindie are on the road in the UK and we want you to grab one of your projects and come hang out! We have three meetups scheduled over the coming week:
Nottingham, 18th April
Cambridge, 19th April
Milton Keynes, 23rd April
Fresh from our
Dublin Unconference
and following
our London meetup
which is happening... | 4 | 4 | [
{
"comment_id": "4483061",
"author": "smerrett79",
"timestamp": "2018-04-15T18:46:10",
"content": "Hope to see you at Maker Faire UK!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4484013",
"author": "John",
"timestamp": "2018-04-16T07:45:07",
"co... | 1,760,374,405.031737 | ||
https://hackaday.com/2018/04/15/one-pixel-attack-fools-neural-networks/ | One-Pixel Attack Fools Neural Networks | Elliot Williams | [
"Software Hacks",
"Uncategorized"
] | [
"artificial neural network",
"deep neural networks",
"hype",
"image recognition"
] | Deep Neural Networks can be pretty good at identifying images — almost as good as they are at attracting Silicon Valley venture capital. But they can also be fairly brittle, and a slew of research projects over the last few years have been working on making the networks’ image classification less likely to be deliberat... | 34 | 14 | [
{
"comment_id": "4482808",
"author": "Ren",
"timestamp": "2018-04-15T14:33:00",
"content": "What? Steven isn’t a tobacconist?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4483129",
"author": "sonofthunderboanerges",
"timestamp": "2018-04-1... | 1,760,374,404.898796 | ||
https://hackaday.com/2018/04/15/shutter-bug-goes-extreme-with-scratch-built-film-camera/ | Shutter Bug Goes Extreme With Scratch-Built Film Camera | Dan Maloney | [
"digital cameras hacks",
"Misc Hacks"
] | [
"camera",
"casting",
"film",
"lathe",
"lens",
"machining",
"metalworking",
"mill",
"optics",
"petrobond",
"shutter"
] | Should a camera build start with a sand mold and molten aluminum? That’s the route [CroppedCamera] took with
this thoroughly impressive camera project
.
When we think of cameras these days, chances are we picture the ones that live inside the phones in our pockets. They’re the go-to image capture devices for most of us... | 5 | 5 | [
{
"comment_id": "4482687",
"author": "bga",
"timestamp": "2018-04-15T12:35:25",
"content": "Wrong youtube link. Correct onehttps://www.youtube.com/watch?v=KagP-udCRm0",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4482703",
"author": "jafinch78",
"time... | 1,760,374,404.823697 | ||
https://hackaday.com/2018/04/15/hide-secret-messages-in-plain-sight-with-zero-width-characters/ | Hide Secret Messages In Plain Sight With Zero-Width Characters | Ben James | [
"Security Hacks",
"Software Hacks"
] | [
"fingerprinting",
"text",
"zero width",
"zwfp"
] | Fingerprinting text is really very nifty; the ability to encode hidden data within a string of characters opens up a large number of opportunities. For example, someone within your team is leaking confidential information but you don’t know who. Simply send each team member some classified text with their name encoded ... | 30 | 15 | [
{
"comment_id": "4482366",
"author": "werecatf",
"timestamp": "2018-04-15T08:17:50",
"content": "“making them nearly impossible to get rid of without re-typing the text or using a special tool.” — Copypaste to Notepad++, change encoding to ANSI instead of Unicode. BOOM, gone.",
"parent_id": null... | 1,760,374,405.10562 | ||
https://hackaday.com/2018/04/14/big-mouth-billy-bass-channels-miley-cyrus/ | Big Mouth Billy Bass Channels Miley Cyrus | Rich Hawkes | [
"ATtiny Hacks",
"Microcontrollers",
"Toy Hacks"
] | [
"Amazon Alexa",
"amazon echo dot",
"attiny84",
"big mouth billy bass",
"fast fourier transform",
"fft",
"fish"
] | Here’s
a Big Mouth Billy Bass with extra lip thanks to Alexa
. If you’re not already familiar, Big Mouth Billy Bass is the shockingly popular singing animatronic fish designed to look like a trophy fish mounted to hang on your wall. In its stock condition, Billy uses a motion sensor to break into song whenever someone ... | 12 | 8 | [
{
"comment_id": "4482223",
"author": "Steven Clark",
"timestamp": "2018-04-15T05:13:03",
"content": "The FFT was the feature I always wished these things had.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4482308",
"author": "Edgar Vice",
"timestamp":... | 1,760,374,405.195148 | ||
https://hackaday.com/2018/04/14/neon-lamps-light-up-dim-ion-motor/ | Neon Lamps Light Up Dim Ion Motor | Steven Dufresne | [
"classic hacks"
] | [
"corona",
"high voltage",
"ion",
"ion motor",
"ion propulsion",
"ion wind"
] | Small pinwheel type ion motors fall into the category of a fun science experiment or something neat to do with high voltage, but Hackaday’s own [Manuel Rodriguez-Achach] added
a neat twist that incorporates neon lamps
.
Normally you’d take a straight wire and make 90 degree bends at either end but pointing in opposite ... | 6 | 1 | [
{
"comment_id": "4482266",
"author": "salec",
"timestamp": "2018-04-15T06:26:25",
"content": "He could have used LED’s as well, if this is a DC HV source.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4482293",
"author": "rewolff",
"timestam... | 1,760,374,405.145765 | ||
https://hackaday.com/2018/04/16/learning-software-in-a-soft-exosuit/ | Learning Software In A Soft Exosuit | Brian McEvoy | [
"Robots Hacks",
"Wearable Hacks"
] | [
"bayesian",
"bowden",
"bowden cable",
"exoskeleton",
"exosuit",
"machine learning",
"optimization",
"robot",
"software",
"walking"
] | Wearables and robots don’t often intersect, because most robots rely on rigid bodies and programming while we don’t. Exoskeletons are an instance where robots interact with our bodies, and a soft exosuit is even closer to our physiology. Machine learning is closer to our minds than a simple state machine. The combinati... | 2 | 2 | [
{
"comment_id": "4487516",
"author": "CaptMcAllister",
"timestamp": "2018-04-17T16:18:03",
"content": "I worked on a program for DARPA that funded some of the Harvard work. It is amazing how hard it is to figure out how to assist different physiologies, gaits, and so on. It’s very possible to make... | 1,760,374,405.289352 | ||
https://hackaday.com/2018/04/16/polaroid-gets-thermal-printer-and-raspberry-pi/ | Polaroid Gets Thermal Printer And Raspberry Pi | Tom Nardi | [
"classic hacks",
"digital cameras hacks",
"Raspberry Pi"
] | [
"buildroot",
"polaroid",
"Raspberry Pi Zero",
"teardown",
"thermal printer"
] | Despite what you may have read in the comments, we here at Hackaday are not unaware that there’s something of a “Pi Fatigue” brewing. Similar to how “Arduino” was once a dirty word around these parts, projects that are built around the world’s most popular Linux SBC are occasionally getting dismissed as lazy. Hacker cr... | 15 | 11 | [
{
"comment_id": "4486399",
"author": "crazywriterof6",
"timestamp": "2018-04-16T23:44:53",
"content": "I think I am too easily amazed and entertained by these types of projects… It is pretty cool though",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4487148"... | 1,760,374,405.253856 | ||
https://hackaday.com/2018/04/16/reprogramming-cheap-wifi-outlets/ | Reprogramming Cheap WiFi Outlets | Brian Benchoff | [
"Wireless Hacks"
] | [
"ESP",
"ESP8266",
"power outlet",
"smart switch",
"wifi switch"
] | If you want to retrofit your home with smart outlets and lightbulbs, bust out your wallet. You can easily spend forty dollars for a smart light bulb at your local home supply store, and strips of smart sockets could cost sixty. When [coogle] found a WiFi-enabled four-outlet power strip on Amazon, he couldn’t resist. Su... | 52 | 11 | [
{
"comment_id": "4485783",
"author": "jonsmirl",
"timestamp": "2018-04-16T20:13:49",
"content": "Be careful and don’t kill yourself. These outlets come in two types — isolated power supply and hot power supply. Look for the transformer to know if you have an isolated supply. Don’t try working on th... | 1,760,374,405.376772 | ||
https://hackaday.com/2018/04/16/medium-machine-mediates-microcontroller-messages/ | Medium Machine Mediates Microcontroller Messages | Brian McEvoy | [
"Microcontrollers",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"aluminum",
"information",
"learning",
"medium machine",
"pattern",
"style",
"teaching",
"TENS",
"wood"
] | Connecting computers to human brains is currently limited to the scope of science fiction and a few cutting-edge laboratories. Tapping into some nerves farther from our central wetware is possible and [Peter Buczkowski] shows us his stylish machine for
implanting a pattern into our brains
without actively having to mem... | 12 | 6 | [
{
"comment_id": "4485322",
"author": "Paul G",
"timestamp": "2018-04-16T18:34:11",
"content": "I bet they wish they had this when making “The Manchurian Candidate”.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4485504",
"author": "Olsen",
"timestamp"... | 1,760,374,405.487982 | ||
https://hackaday.com/2018/04/16/tensorflow-in-your-browser/ | TensorFlow In Your Browser | Al Williams | [
"Hackaday Columns",
"Slider",
"Software Development",
"Software Hacks"
] | [
"javascript",
"machine learning",
"neural network",
"tensor flow",
"tensorflow"
] | If you want to explore machine learning, you can now write applications that train and deploy
TensorFlow in your browser
using JavaScript. We know what you are thinking. That has to be slow. Surprisingly, it isn’t, since the libraries use Graphics Processing Unit (GPU) acceleration. Of course, that assumes your browser... | 24 | 7 | [
{
"comment_id": "4484791",
"author": "voxnulla",
"timestamp": "2018-04-16T17:15:32",
"content": "Isn’t there a less Google afflicted project out there? We should not use their crap, it is poison.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4484876",
... | 1,760,374,405.439224 | ||
https://hackaday.com/2018/04/16/delicious-optics-a-chocolate-diffraction-grating/ | Delicious Optics, A Chocolate Diffraction Grating | Lewin Day | [
"classic hacks",
"cooking hacks"
] | [
"candy",
"chocolate",
"diffraction grating",
"optics",
"toffee"
] | Diffraction gratings are curious things. Score a series of equally spaced tiny lines in a surface, and it will cause reflected or transmitted light to bend and separate into its component wavelengths. This ability gives them all manner of important applications in the field of optics, but they’re also fun to play with.... | 12 | 7 | [
{
"comment_id": "4484720",
"author": "CE",
"timestamp": "2018-04-16T16:22:00",
"content": "Anyone know of a good source for single-axis film? It’s for lighting effects, in my case. Roll or sheets would be good.They use similar film for the ChromaDepth effect glasses. The two-axis stuff seems much ea... | 1,760,374,407.123633 | ||
https://hackaday.com/2018/04/16/two-cent-temperature-sensors/ | Two-Cent Temperature Sensors | Elliot Williams | [
"Engineering",
"Featured",
"hardware",
"Original Art",
"Slider"
] | [
"bandgap ADC",
"Bandgap Voltage Reference",
"diode",
"microcontroller",
"temperature sensor"
] | When they need to add temperature control to a project, many hackers reach for a
K-type thermocouple
for their high-temperature needs, or an
integrated temperature-sensing IC
when it doesn’t get that hot. The thermocouple relies on very small currents and extremely high gain, and you pretty much need a dedicated IC to ... | 89 | 27 | [
{
"comment_id": "4484574",
"author": "eccentricelectron",
"timestamp": "2018-04-16T14:21:32",
"content": "Really great read, thanks Elliot!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4484582",
"author": "werecatf",
"timestamp": "2018-04-16T14:26:56... | 1,760,374,407.827664 | ||
https://hackaday.com/2018/04/14/mc-lighting-takes-the-pain-out-of-blinking/ | Mc Lighting Takes The Pain Out Of Blinking | Elliot Williams | [
"LED Hacks",
"Wireless Hacks"
] | [
"ESP8266",
"neopixel",
"RGB LED",
"ws2812"
] | If you want to blink a ton of WS2812-alike LED pixels over WiFi, the hardware side of things is easy enough: an LED strip, and ESP8266 unit, and a beefy enough power supply to feed them. But the software side — that’s where it can be a bit of a pain.
Enter
Mc Lighting
. It makes the software side of things idiot-proof.... | 1 | 1 | [
{
"comment_id": "5319219",
"author": "Daniel Lopes",
"timestamp": "2018-10-20T11:21:00",
"content": "I absolutely love these, next step I need to do is get them to run on a timer :D Voilá, Christmas tree lights!",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,407.33644 | ||
https://hackaday.com/2018/04/14/shoes-that-tell-you-where-to-go/ | Shoes That Tell You Where To Go | Kristina Panos | [
"The Hackaday Prize",
"Wearable Hacks"
] | [
"2018 Hackaday Prize",
"bluetooth",
"haptic feedback",
"haptic guide",
"navigation"
] | The worst thing about walking around while trying to follow directions is that you have to keep looking down at them to get the next turn. At best, you’ll miss out on the scenery; at worst, you might walk into traffic.
Wouldn’t it be great if you didn’t have to look down? Yes it would, and with Walkity, there’s no need... | 15 | 7 | [
{
"comment_id": "4481452",
"author": "Brad Hanson",
"timestamp": "2018-04-14T20:21:33",
"content": "Neat.http://www.lechal.com/has been around a while now with a full integration w/ app and health tracking. The concept is definitely cool in terms of helping visually impaired people navigate easier."... | 1,760,374,407.453375 | ||
https://hackaday.com/2018/04/14/when-stirling-engines-meet-3d-printers/ | When Stirling Engines Meet 3D Printers | Mike Szczys | [
"3d Printer hacks",
"Engine Hacks"
] | [
"butane",
"candle",
"fabrication",
"stirling engine"
] | Let’s face it, everybody wants to build a Stirling engine. They’re refined, and generally awesome. They’re also a rather involved fabrication project which is why you don’t see a lot of them around.
This doesn’t remove all of the complexity, but by following this example
3D printing a Sterling engine is just about half... | 17 | 9 | [
{
"comment_id": "4481315",
"author": "YO9GJX",
"timestamp": "2018-04-14T17:31:10",
"content": "Great work",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4481399",
"author": "Doityourselfgadgets",
"timestamp": "2018-04-14T18:51:46",
"c... | 1,760,374,407.178778 | ||
https://hackaday.com/2018/04/14/visualizing-blocked-ads-with-the-pi-sense-hat/ | Visualizing Blocked Ads With The Pi Sense Hat | Tom Nardi | [
"LED Hacks",
"Raspberry Pi",
"Software Hacks"
] | [
"adblock",
"Pi-hole",
"python",
"raspberry pi",
"sense hat"
] | Pi-hole is an open source project to turn that Raspberry Pi collecting dust in your drawer into a whole-network ad blocking appliance. Not only does it stop ads from showing up on all your computers and mobile devices, it also keeps track of how many ads have been blocked and where they came from. Just in case you want... | 13 | 7 | [
{
"comment_id": "4481092",
"author": "Ostracus",
"timestamp": "2018-04-14T15:06:51",
"content": "” Not only does it stop ads from showing up on all your computers and mobile devices, it also keeps track of how many ads have been blocked and where they came from. Just in case you wanted to know how m... | 1,760,374,407.236065 | ||
https://hackaday.com/2018/04/14/the-raspberry-pi-3b-as-an-sdr-without-the-sdr/ | The Raspberry Pi 3B+ As An SDR – Without The SDR! | Jenny List | [
"Radio Hacks",
"Raspberry Pi"
] | [
"broadcom",
"nexmon",
"Raspberry Pi 3 B+",
"sdr"
] | We’ve become used to software-defined radio as the future of radio experimentation, and many of us will have some form of SDR hardware. From the $10 RTL USB sticks through to all-singing, all-dancing models at eye-watering prices, there is an SDR for everyone.
What about the idea of an SDR without any external hardware... | 34 | 10 | [
{
"comment_id": "4480952",
"author": "2ftg",
"timestamp": "2018-04-14T12:23:08",
"content": "Getting raw I/Q access on low cost commodity chips is the holy grail in terms of hobbyist sdr.RTL-SDR is the best known example of it.This has some serious potential for making low cost wide band SDR transce... | 1,760,374,407.6191 | ||
https://hackaday.com/2018/04/14/pid-control-with-arduino/ | PID Control With Arduino | Al Williams | [
"Arduino Hacks",
"how-to"
] | [
"arduino",
"pid"
] | Experience — or at least education — often makes a big difference to having a successful project. For example, if you didn’t think about it much, you might think it is simple to control the temperature of something that is heating. Just turn on the heater if it is cold and turn it off when you hit the right temperature... | 30 | 9 | [
{
"comment_id": "4480742",
"author": "Jan",
"timestamp": "2018-04-14T09:42:00",
"content": "ehmmm… temperature control by modulating the heater element in the correct way is one thing… but measuring the temperature is another.When a thermistor tells you that you project is exactly 100C you are not d... | 1,760,374,407.401735 | ||
https://hackaday.com/2018/04/13/portable-dvd-player-gets-raspberry-pi-zero-upgrade/ | Portable DVD Player Gets Raspberry Pi Zero Upgrade | Tom Nardi | [
"classic hacks",
"Raspberry Pi"
] | [
"adc",
"mcp3008",
"portable DVD player",
"Raspberry Pi Zero W"
] | You might remember a time when people thought portable DVD players were a pretty neat idea. In the days before netbooks, cheap tablets, and arguably even the widespread adoption of smartphones, it seemed perfectly reasonable to lug around a device that did nothing but play movies. Today we look back at them as we would... | 24 | 11 | [
{
"comment_id": "4480578",
"author": "ghosty",
"timestamp": "2018-04-14T08:03:50",
"content": "Do I miss something, or is the most interesting part concerning the connection of the display missing?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4481173",
... | 1,760,374,407.297678 | ||
https://hackaday.com/2018/04/13/hp-inkjet-printer-trains-for-space/ | HP Inkjet Printer Trains For Space | Roger Cheng | [
"Space"
] | [
"HP",
"inkjet",
"inkjet printer",
"iss",
"nasa",
"SpaceX"
] | The International Space Station is one of our leading frontiers of science and engineering, but it’s easy to forget that an exotic orbiting laboratory has basic needs shared with every terrestrial workplace. This includes humble office equipment like a printer. (The ink-on-paper kind.) And if you thought your office IT... | 27 | 12 | [
{
"comment_id": "4480303",
"author": "nsayer",
"timestamp": "2018-04-14T02:04:31",
"content": "Ink cartridges are expensive enough for us civilians. I can imagine the reaming NASA is gonna get for this one.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "448030... | 1,760,374,407.687142 | ||
https://hackaday.com/2018/04/13/customize-all-the-fan-covers-you-never-knew-you-needed/ | Customize All The Fan Covers You Never Knew You Needed | Donald Papp | [
"3d Printer hacks",
"Parts"
] | [
"3d printed",
"customizer",
"fan cover",
"fan grill",
"fan grille",
"openscad",
"thingiverse"
] | Do you need a fancy fan cover with precisely specified attributes, but have no desire to design one from scratch? If you answered yes (or no) then [mightynozzle] has the answer. The
Customizable Fan Grill Cover
is a parametric design in OpenSCAD that allows adjusting the frame style, size, and grill pattern for any fan... | 11 | 6 | [
{
"comment_id": "4480201",
"author": "PirateLabs",
"timestamp": "2018-04-14T00:00:21",
"content": "This will come in very handy so, thank you.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4480219",
"author": "rnjacobs",
"timestamp": "2018-04-14T00:11... | 1,760,374,407.878179 | ||
https://hackaday.com/2018/04/13/hybrid-3d-printer-creates-complete-circuits-case-and-all/ | Hybrid 3D-Printer Creates Complete Circuits, Case And All | Dan Maloney | [
"3d Printer hacks"
] | [
"cnc",
"conductive ink",
"eagle",
"fabrication",
"FDM",
"g-code",
"pick and place",
"slic3r",
"slicer",
"smd",
"vacuum"
] | The cool kids these days all seem to think we’re on the verge of an AI apocalypse, at least judging by all the virtual ink expended on various theories. But our putative AI overlords will have a hard time taking over the world without being able to build robotic legions to impose their will. That’s why
this advance in ... | 19 | 8 | [
{
"comment_id": "4479957",
"author": "Nardax",
"timestamp": "2018-04-13T20:22:31",
"content": "This is dope but with costs dropping I can already see unscrupulous companies creating another environmental disaster by distributing promotional merch that will end up in the trash.Kinda like those LCD sc... | 1,760,374,407.94026 | ||
https://hackaday.com/2018/04/13/resuming-failed-3d-prints-automatically/ | Resuming Failed 3D Prints Automatically | Brian Benchoff | [
"3d Printer hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printer",
"firmware",
"marlin"
] | What happens to your 3D printer if the power goes out? What happens if there’s a jam in the nozzle? What happens if your filament breaks, runs out, or turns into a plate of spaghetti? For all these situations, the print fails, wasting plastic and time. For his Hackaday Prize entry, [robert]
has come up with a tiny devi... | 25 | 12 | [
{
"comment_id": "4479808",
"author": "bty",
"timestamp": "2018-04-13T18:43:04",
"content": "doesn’t the Prusa i3 offer this feature out-of-the-box ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4480262",
"author": "NiHaoMike",
"timestamp": ... | 1,760,374,408.06685 | ||
https://hackaday.com/2018/04/13/mechanisms-the-spring/ | Mechanisms: The Spring | Kristina Panos | [
"Hackaday Columns",
"Interest",
"Original Art",
"Parts",
"Slider"
] | [
"Belleville washer",
"Buckling Spring",
"compression spring",
"deflection",
"extension spring",
"Hooke's law",
"Mechanisms",
"Slinky",
"spring",
"torsion",
"torsion spring",
"volute"
] | Most people probably don’t think about springs until one kinks up or snaps, but most of the world’s springs are pretty crucial. The ones that aren’t go by the name Slinky.
We all use and encounter dozens of different types of springs every day without realizing it. Look inside the world of springs and you’ll find hundr... | 64 | 20 | [
{
"comment_id": "4479667",
"author": "Ostracus",
"timestamp": "2018-04-13T17:05:31",
"content": "” Ancient Roman carriages used leaf spring suspensions for a smoother ride on those rocky roads.”I’ve always found it amusing when reading a piece of fiction that has a carriage in it in which a rough ri... | 1,760,374,408.178591 | ||
https://hackaday.com/2018/04/13/up-up-up-2000-more-seed-funding-for-hackaday-prize-entries/ | Up, Up, Up: $2,000 More Seed Funding For Hackaday Prize Entries | Mike Szczys | [
"Hackaday Columns",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"Seed Funding"
] | Getting a project off the ground often means an up-front investment in parts. Hackaday is upping our efforts to smooth out that obstacle for those who want to Build Something That Matters. Seed funding for the
2018 Hackaday Prize
is simple, enter your Open Hardware design, share it far and wide so that a lot of people ... | 17 | 5 | [
{
"comment_id": "4479644",
"author": "Mark Miller",
"timestamp": "2018-04-13T16:55:15",
"content": "Asking for a bit of clarity.”The projects that get the most likes get 1$ per like” Does that mean if you just got a few you won’t get anything? what is the cutoff line? I understand you are trying for... | 1,760,374,408.004882 | ||
https://hackaday.com/2018/04/13/3d-printer-time-lapse-videos-ditch-the-blur/ | 3D Printer Time Lapse Videos Ditch The Blur | Donald Papp | [
"3d Printer hacks"
] | [
"3d printing",
"gcode",
"octolapse",
"Octoprint",
"octoprint plugin",
"plugin",
"time-lapse"
] | Example output of Octolapse with the print head absent from the images.
Most time-lapse videos of 3D prints show a steadily growing print with a crazy blur of machine movement everywhere else. This is because an image is captured at a regular time interval, regardless of what’s physically going on with the machine. But... | 29 | 11 | [
{
"comment_id": "4479499",
"author": "Doug Leppard",
"timestamp": "2018-04-13T15:10:44",
"content": "So cool. How did you remove the print head? Love to see more videos.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4479510",
"author": "Wolf",
... | 1,760,374,408.246677 | ||
https://hackaday.com/2018/04/13/another-reason-to-learn-morse-code-kidnapping/ | Another Reason To Learn Morse Code: Kidnapping | Al Williams | [
"Featured",
"History",
"Musical Hacks",
"Original Art",
"Slider"
] | [
"colombia",
"farc",
"morse code",
"music"
] | Morse code — that series of dots and dashes — can be useful in the strangest situations. As a kid I remember an original Star Trek episode where an injured [Christopher Pike] could only blink a light once for yes and twice for no. Even as a kid, I remember thinking, “Too bad they didn’t think to teach him Morse code.” ... | 80 | 30 | [
{
"comment_id": "4479423",
"author": "Ken",
"timestamp": "2018-04-13T14:14:31",
"content": "So I should learn Morse code because I might be taken hostage/held as a prisoner, or to fully appreciate electronic dance music from the last century.(I assume the rush song YZZ had Morse code samples in it, ... | 1,760,374,408.743965 | ||
https://hackaday.com/2018/04/13/the-ultimate-iphone-upgrade/ | The Ultimate IPhone Upgrade | Bryan Cockfield | [
"iphone hacks"
] | [
"iphone",
"memory",
"soldering",
"storage",
"upgrade"
] | While Apple products have their upsides, the major downside with them is their closed environment. Most of the products are difficult to upgrade, to say the least, and this is especially true with the iPhone. While some Android devices still have removable storage and replaceable batteries, this has never been an optio... | 48 | 12 | [
{
"comment_id": "4479217",
"author": "Saabman",
"timestamp": "2018-04-13T11:04:09",
"content": "The ultimate iPhone upgrade would be one that allows the user to run another non android – windows or IOS OS",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "447927... | 1,760,374,408.45727 | ||
https://hackaday.com/2018/04/13/a-hackers-epic-quest-to-keep-his-son-entertained/ | A Hacker’s Epic Quest To Keep His Son Entertained | Tom Nardi | [
"LED Hacks",
"Raspberry Pi",
"Toy Hacks"
] | [
"activity board",
"arduino",
"blinkenlights",
"kids",
"MCP23017",
"raspberry pi"
] | Little humans have a knack for throwing a wrench in the priorities of their parents. As anyone who’s ever had children will tell you, there’s nothing you wouldn’t do for them. If you ever needed evidence to this effect, just take a gander at the nearly year-long saga that
chronicles the construction of an activity boar... | 22 | 7 | [
{
"comment_id": "4478979",
"author": "Dave Davidson",
"timestamp": "2018-04-13T08:29:09",
"content": "This has more features than an iPad",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4479028",
"author": "AlainsProjects",
"timestamp": "2018-... | 1,760,374,408.515163 | ||
https://hackaday.com/2018/04/12/machinists-foray-into-jewelry-making/ | A Machinist’s Foray Into Jewelry Making | Brian McEvoy | [
"how-to",
"Tool Hacks",
"Wearable Hacks"
] | [
"3D metal printer",
"brass",
"diamond",
"gold",
"jewelry",
"posts",
"sapphire",
"scrolls",
"silver"
] | Machinists are expected to make functional items from stock material, at least hat’s the one-line job description even though it glosses over many important details. [Eclix] wanted a birthday gift for his girlfriend that wasn’t just jewelry, indeed he wanted
jewelry made with his own hands
. After all, nothing in his s... | 10 | 8 | [
{
"comment_id": "4478804",
"author": "jpa",
"timestamp": "2018-04-13T06:29:56",
"content": "Aligning the center hole might have been easier if he had mounted the workpiece in the rotating chuck and the drill bit in the vice. Basically a makeshift lathe.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,408.372753 | ||
https://hackaday.com/2018/04/12/alterego-listens-to-your-internal-voice/ | AlterEgo Listens To Your Internal Voice | Al Williams | [
"Medical Hacks"
] | [
"bone conduction",
"mit",
"subvocalization",
"voice control"
] | Recent news reports have claimed that an MIT headset can read your mind, but as it turns out that’s a little bit of fake news. There is a headset — called
AlterEgo
— but it doesn’t actually read your mind. Rather, it measures subtle cues of you silently vocalizing words. We aren’t sure exactly how that works, but the F... | 27 | 16 | [
{
"comment_id": "4478459",
"author": "RandyKC",
"timestamp": "2018-04-13T02:20:05",
"content": "I propose a name change to “the voices inside my head.”So this uses EMG instead of EEG? Seems to be located around the tongue.“deliberate movements of internal speech articulators (when a user intentional... | 1,760,374,408.979504 | ||
https://hackaday.com/2018/04/12/dumping-arcade-roms-the-hard-way/ | Dumping Arcade ROMs The Hard Way | Tom Nardi | [
"classic hacks",
"Games"
] | [
"arcade",
"ic decapsulation",
"ROM dump"
] | Nostalgia is a funny thing. That desire we all get to relive past memories can make you do things that in any other scenario would be out of the question. The effect seems even stronger when it comes to old video games. How else can you explain buying the same games over and over every time they get “remastered” for th... | 13 | 6 | [
{
"comment_id": "4478131",
"author": "tz",
"timestamp": "2018-04-12T23:04:49",
"content": "Open(ing) the source, the hard way.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4479418",
"author": "RetepV",
"timestamp": "2018-04-13T14:07:18",
... | 1,760,374,408.796914 | ||
https://hackaday.com/2018/04/12/making-custom-silicon-for-the-latest-raspberry-pi/ | Making Custom Silicon For The Latest Raspberry Pi | Brian Benchoff | [
"Raspberry Pi"
] | [
"MXL7704",
"Pi",
"power supply",
"power supply design",
"raspberry pi",
"Raspberry Pi 3",
"Raspberry Pi 3 B+"
] | The latest Raspberry Pi, the Pi 3 Model B+, is the most recent iteration of hardware from the Raspberry Pi Foundation. No, it doesn’t have eMMC, it doesn’t have support for cellular connectivity, it doesn’t have USB 3.0, it doesn’t have SATA, it doesn’t have PCIe, and it doesn’t have any of the other unrealistic expect... | 75 | 16 | [
{
"comment_id": "4477812",
"author": "Severe Tire Damage",
"timestamp": "2018-04-12T20:09:19",
"content": "I don’t see the eMMC !?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4477829",
"author": "jonmayo",
"timestamp": "2018-04-12T20:21:19... | 1,760,374,408.913913 | ||
https://hackaday.com/2018/04/12/clive-sinclair-the-other-author/ | Clive Sinclair, The Other Author | Jenny List | [
"Featured",
"History",
"Reviews"
] | [
"Clive Sinclair",
"germanium",
"radio",
"radio books",
"sinclair"
] | A reasonable selection of the Hackaday readership will have had their first experiences of computing on an 8-bit machine in a black case, with the word “Sinclair” on it. Even if you haven’t work with one of these machines you probably know that the man behind them was the sometimes colourful inventor Clive (now Sir Cli... | 51 | 17 | [
{
"comment_id": "4477538",
"author": "Ren",
"timestamp": "2018-04-12T17:06:18",
"content": "I wonder how many have missed Jenny’s reference about “the other author”?B^)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4477674",
"author": "Greg A",
... | 1,760,374,409.074193 | ||
https://hackaday.com/2018/04/12/audio-hacking-with-the-esp8266/ | Audio Hacking With The ESP8266 | Jenny List | [
"Musical Hacks"
] | [
"digital synth",
"ESP8266",
"wemos d1 mini"
] | If you study the specifications of the ESP8266 WiFi-enabled microcontroller, you will notice that it features an I2S audio interface. This is a high-speed serial port designed to deliver 16-bit audio data in a standard format, and has its origins in consumer audio products such as CD players. It would be usual to attac... | 23 | 9 | [
{
"comment_id": "4477374",
"author": "Olsen",
"timestamp": "2018-04-12T15:51:40",
"content": "If one were to use a bunch of these, or overclock the ESP, could this be used as a wifi enabled MP3 player?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4477501",... | 1,760,374,409.131809 | ||
https://hackaday.com/2018/04/12/to-ferrule-or-not-to-ferrule/ | To Ferrule Or Not To Ferrule? | Dan Maloney | [
"Engineering",
"Hackaday Columns",
"Misc Hacks"
] | [
"bootlace",
"connection",
"crimp",
"crimping",
"ferrules",
"insulation",
"interconnect",
"screw",
"sleeve",
"spring",
"stranded"
] | We recently posted about
a spectacular 3D-printer fire
that was thankfully caught and extinguished before spreading to the hacker’s house or injuring his family. Analyzing the remains of the printer, the hacker determined that the fire was caused when a loose grub screw let the extruder’s heater cartridge fall out and ... | 116 | 34 | [
{
"comment_id": "4477210",
"author": "Ostracus",
"timestamp": "2018-04-12T14:11:36",
"content": "“Stranded wire is flexible, which is one of the reasons it’s used rather than solid wire in mobile applications and where vibration can occur. ”And can still break, just takes longer. I believe it’s also... | 1,760,374,409.292438 | ||
https://hackaday.com/2018/04/12/get-your-name-on-the-hottest-list-in-the-solar-system/ | Get Your Name On The Hottest List In The Solar System | Brian McEvoy | [
"Space"
] | [
"exploration",
"heliophysics",
"nasa",
"satellite",
"solar",
"space",
"star trek",
"sun",
"William Shatner"
] | How often does NASA name a spacecraft after a living person? How often do you get to launch your name into a star? How often does NASA send probes to explore the sun? If your answer to all these questions is NEVER, then you win the honor of adding your name to an SD card bound for the center of our solar system. We’re ... | 29 | 14 | [
{
"comment_id": "4476980",
"author": "nino",
"timestamp": "2018-04-12T11:04:52",
"content": "Vanity…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4477692",
"author": "TGT",
"timestamp": "2018-04-12T18:42:49",
"content": "Everything ... | 1,760,374,409.355076 | ||
https://hackaday.com/2018/04/12/building-the-perfect-home-router/ | Building The Perfect Home Router | Tom Nardi | [
"hardware",
"Network Hacks"
] | [
"3D printed enclosure",
"ESPRESSObin",
"router",
"ubiquity"
] | When a favorite piece of hardware dies, it’s fairly common to experience a bit of dread. The thought that now you’ll have to go through the process of getting a replacement for the device can be very troubling, and is fraught with difficult questions. Is the hardware still available? Has it been made obsolete by someth... | 43 | 18 | [
{
"comment_id": "4476710",
"author": "werecatf",
"timestamp": "2018-04-12T08:24:29",
"content": "“A router is often overlooked as just another piece of consumer kit sitting around the house, but it’s actually an excellent place to flex your creative and technical muscle. From adding a remote display... | 1,760,374,409.477985 | ||
https://hackaday.com/2018/04/12/hackaday-and-tindie-are-coming-to-london-on-sunday/ | Hackaday And Tindie Are Coming To London On Sunday! | Jenny List | [
"News"
] | [
"Bring A Hack",
"Hackaday London Meetup",
"Hackaday Meetup",
"Hackaday Meetups",
"london",
"meetup",
"Tindie",
"Tindie Meetup"
] | Hackaday and Tindie have arrived in London at the weekend, fresh from our Dublin Unconference. Join us this Sunday afternoon, as we convene at the Artillery Arms, a pub on the northeastern edge of the City. It’s a free event,
we ask though that you sign up for it via Eventbrite if you’d like to attend
.
We’re following... | 8 | 4 | [
{
"comment_id": "4476649",
"author": "CampGareth",
"timestamp": "2018-04-12T07:36:26",
"content": "Is there a way I can get more than a weeks notice on UK hackaday events? Travel and hotels are expensive booked this late :(",
"parent_id": null,
"depth": 1,
"replies": [
{
"c... | 1,760,374,409.395836 | ||
https://hackaday.com/2018/04/11/pocket-sized-workstation-sports-pi-zero-pop-up-screen/ | Pocket-Sized Workstation Sports Pi Zero, Pop-Up Screen | Dan Maloney | [
"Raspberry Pi"
] | [
"backup camera",
"composite video",
"linux",
"monitor",
"Pi Zero W",
"pop-up",
"terminal",
"tft",
"wireless"
] | Many of us could use a general-purpose portable workstation, something small enough to pocket but still be ready for a quick troubleshooting session. Terminal apps on a smartphone will usually do the job fine, but they lack the panache of
this pocketable pop-top Raspberry Pi workstation
.
It doesn’t appear that [Michae... | 17 | 6 | [
{
"comment_id": "4476501",
"author": "Neel Bhad",
"timestamp": "2018-04-12T05:13:36",
"content": "nice post! raspberry pi is best.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4476511",
"author": "jafinch78",
"timestamp": "2018-04-12T05:22:53",
"... | 1,760,374,410.375394 | ||
https://hackaday.com/2018/04/11/zephyr-adds-features-platforms-and-windows/ | Zephyr Adds Features, Platforms, And Windows | Al Williams | [
"Microcontrollers"
] | [
"arm",
"real-time",
"RTOS",
"software"
] | Zephyr
is an open source real-time operating system (RTOS) that appeared on the scene a few years ago with support for a few boards. The new 1.11 release adds a lot of features, a lot of new boards, and also has a Windows development environment. But don’t worry, the environment is portable so it still runs on Linux an... | 9 | 2 | [
{
"comment_id": "4476429",
"author": "bl",
"timestamp": "2018-04-12T04:17:42",
"content": "I think the intel OS for their arduino 101 was zephyr based (whatever intel called it, at the time). there was the regular arduino environ for the curie chip and there was the intel os thing. I remember the ... | 1,760,374,409.65203 | ||
https://hackaday.com/2018/04/11/need-a-thousand-extra-pwm-pins/ | Need A Thousand Extra PWM Pins? | Al Williams | [
"Arduino Hacks"
] | [
"arduino",
"ESP8266",
"PCA9685",
"pwm"
] | If your Arduino runs out of I/O lines, you can always add one of the several I/O expander chips that takes a serial interface to set its several pins. Or perhaps you could buy something like an Arduino Mega, with its extra sockets to fulfil your needs. But what would you do if you really needed more pins, say a thousan... | 58 | 15 | [
{
"comment_id": "4476065",
"author": "Alexander Wikström",
"timestamp": "2018-04-11T23:34:58",
"content": "Short video, short article and an interesting topic.Now I know what to grab next time I need more PWMs then I care to poke an oscilloscope probe or four at.",
"parent_id": null,
"depth"... | 1,760,374,410.587624 | ||
https://hackaday.com/2018/04/11/universal-chip-analyzer/ | Universal Chip Analyzer: Test Old CPUs In Seconds | Ben James | [
"computer hacks",
"FPGA",
"Retrocomputing"
] | [
"1802",
"8048",
"8051",
"8085",
"8086",
"8088",
"cpu",
"fpga",
"mojo",
"NSC800",
"retro",
"tester",
"uca",
"z80"
] | Collecting old CPUs and firing them up again is all the rage these days, but how do you know if they will work? For many of these ICs, which ceased production decades ago, sorting the good stuff from the defective and counterfeit is a minefield.
Testing old chips is a challenge in itself. Even if you can find the right... | 40 | 16 | [
{
"comment_id": "4475818",
"author": "Alice",
"timestamp": "2018-04-11T20:08:22",
"content": "Another nice to have feature would be the ability to test Amiga custom chips.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4475836",
"author": "starhawk",
"... | 1,760,374,409.766592 | ||
https://hackaday.com/2018/04/11/dublin-unconference-roundup-the-most-interesting-tech-topics-right-now/ | Dublin Unconference Roundup: The Topics That Are Hot Right Now | Jenny List | [
"cons",
"Featured"
] | [
"dublin",
"Hackaday Dublin Unconference",
"Hackaday Unconference",
"unconference"
] | On Saturday, the Hackaday Community from across Ireland and other parts of Europe poured into the performance hall at Dublin’s Project Arts Centre for a massive collection of talks. From rediscovering century’s old technology, to cutting edge research projects, we heard talks from dozens of attendees on the technology ... | 7 | 6 | [
{
"comment_id": "4475831",
"author": "Ren",
"timestamp": "2018-04-11T20:17:10",
"content": "Lots of interesting topics.I hope (someday) that something like that happens near enough for me to attend.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4476850",
... | 1,760,374,409.825058 | ||
https://hackaday.com/2018/04/11/retrotechtacular-operation-smash-hit/ | Retrotechtacular: Operation Smash Hit | Jenny List | [
"Retrotechtacular"
] | [
"crash",
"nuclear flask",
"railroad",
"railway",
"train"
] | Judging by the number of compilations that have been put online, one of the not-so-secret vices of the YouTube generation must be the watching of crash videos. Whether it is British drivers chancing their luck on level crossings, Russians losing it at speed on packed snow, or Americans driving tall trucks under low bri... | 12 | 10 | [
{
"comment_id": "4475590",
"author": "Europe",
"timestamp": "2018-04-11T17:06:38",
"content": "Cab ratings are notoriously poor..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4476931",
"author": "herbert",
"timestamp": "2018-04-12T10:15:38"... | 1,760,374,409.875413 | ||
https://hackaday.com/2018/04/11/friday-hack-chat-talking-mqtt-with-the-community/ | Friday Hack Chat: Talking MQTT With The Community | Brian Benchoff | [
"Hackaday Columns"
] | [
"Friday Hack Chat",
"Hack Chat",
"mqtt"
] | The Internet of Things is just around the corner, and somehow or another, all these bits of intelligent dust and juice bag squeezers will have to talk to one another. One of the better ways to get IoT bits talking to each other is MQTT,
Message Queuing Telemetry Transport
, a protocol designed for small code footprints... | 8 | 6 | [
{
"comment_id": "4475546",
"author": "Ostracus",
"timestamp": "2018-04-11T16:33:03",
"content": "Alternative protocols include the Advanced Message Queuing Protocol (AMQP), Streaming Text Oriented Messaging Protocol (STOMP), the IETF Constrained Application Protocol, XMPP, DDS,OPC UA, and Web Applic... | 1,760,374,410.135422 | ||
https://hackaday.com/2018/04/11/practical-plasma-for-thin-film-deposition/ | Practical Plasma For Thin-Film Deposition | Dan Maloney | [
"Misc Hacks"
] | [
"Argon",
"high voltage",
"ion",
"microwave oven transformer",
"plasma",
"sputtering",
"thin film deposition",
"vacuum"
] | [Nixie] wants to sputter. We know, who doesn’t? But [Nixie] has a specific purpose for his sputtering: thin-film deposition, presumably in support of awesome science. But getting to that point requires a set of tools that aren’t exactly off-the-shelf items, so he’s building out
a DIY sputtering rig
on the cheap.
If you... | 32 | 8 | [
{
"comment_id": "4475496",
"author": "Joseph James",
"timestamp": "2018-04-11T16:05:08",
"content": "Gonna grow some diamonds?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4475565",
"author": "nixieguy",
"timestamp": "2018-04-11T16:49:38",
... | 1,760,374,410.083966 | ||
https://hackaday.com/2018/04/11/hacking-when-it-counts-pigeon-guided-missiles/ | Hacking When It Counts: Pigeon-Guided Missiles | Dan Maloney | [
"Curated",
"Featured",
"History",
"Original Art",
"Slider"
] | [
"bird",
"bomb",
"guidance",
"gyro",
"hacking when it counts",
"missile",
"operant conditioning",
"organic control",
"pigeon",
"wwii"
] | The image of the crackpot inventor, disheveled, disorganized, and surrounded by the remains of his failures, is an enduring Hollywood trope. While a simple look around one’s shop will probably reveal how such stereotypes get started, the image is largely not a fair characterization of the creative mind and how it works... | 51 | 17 | [
{
"comment_id": "4475317",
"author": "Ren",
"timestamp": "2018-04-11T14:10:56",
"content": "Why didn’t they try lawyers instead?People hate them even more than pigeons, and animal rights activists wouldn’t get mad.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id... | 1,760,374,410.226809 | ||
https://hackaday.com/2018/04/11/redirected-walking-in-vr-done-via-exploit-of-eyeballs/ | Redirected Walking In VR Done Via Exploit Of Eyeballs | Donald Papp | [
"Science",
"Slider",
"Virtual Reality"
] | [
"exploit",
"eye tracking",
"eyes",
"saccade",
"virtual reality",
"vr"
] | [Anjul Patney] and [Qi Sun] demonstrated a fascinating new technique at NVIDIA’s GPU Technology Conference (GTC)
for tricking a human into thinking a VR space is larger than it actually is
. The way it works is this: when a person walks around in VR, they invariably make turns. During these turns, it’s possible to fool... | 55 | 12 | [
{
"comment_id": "4475059",
"author": "tomkcook",
"timestamp": "2018-04-11T11:21:25",
"content": "I have a condition called nystagmus which means that I’m basically unable to hold my eyes still. I wonder how well this would deal with it?It has an interesting relation to some of what’s covered in thi... | 1,760,374,410.321389 | ||
https://hackaday.com/2018/04/11/emulating-obd-ii-on-the-esp32/ | Emulating OBD-II On The ESP32 | Tom Nardi | [
"car hacks",
"Microcontrollers",
"Tool Hacks"
] | [
"CAN",
"emulator",
"ESP32",
"ESP32-WROOM-32",
"obd-ii",
"SN65HVD230"
] | It used to be that you could pop the hood and with nothing more than flat head screwdriver, some baling wire, and tongue held at the optimal angle, you could fix anything that ailed your car. But today, for better or for worse, the average automobile is a rolling computer that runs on gasoline and hope (if it even stil... | 35 | 13 | [
{
"comment_id": "4474837",
"author": "cyk",
"timestamp": "2018-04-11T08:46:27",
"content": "“more advanced than changing a tire”If your car has tire pressure monitoring via sensors inside the tires, then changing a tire can be a tiresome procedure.",
"parent_id": null,
"depth": 1,
"repli... | 1,760,374,411.133527 | ||
https://hackaday.com/2018/04/10/1920s-claratone-radio-runs-windows-10/ | 1920’s Claratone Radio Runs Windows 10 | Tom Nardi | [
"classic hacks",
"digital audio hacks"
] | [
"Claratone",
"Lattepanda",
"msgeq7",
"SX400",
"tube radio",
"vintage"
] | In the past we’ve mentioned how there are different schools of thought in terms of how to bring a vintage piece of hardware into the 21st century. You can go down the preservationist’s route, carefully grafting the original components with more modern ones, or you can take the nuclear option and blow all that dusty old... | 31 | 11 | [
{
"comment_id": "4474445",
"author": "Gastradamus",
"timestamp": "2018-04-11T05:11:05",
"content": "These are quite the objects. I feel as if I’m reading am episode of antiques roadshow and for that I thank you. Would love your input on some of my new shorts. I’ve got a new one out called Lizard ... | 1,760,374,410.44785 | ||
https://hackaday.com/2018/04/10/simple-quantum-computing-in-150-lines-of-python/ | Simple Quantum Computing In 150 Lines Of Python | Al Williams | [
"Software Hacks"
] | [
"python",
"quantum",
"quantum computing"
] | What does it take to build a quantum computer? Lots of exotic supercooled hardware. However, creating a simulator isn’t nearly as hard and can give you a lot of insight into how this kind of computing works. A simulator doesn’t even have to be complicated. Here’s one that exists in about
150 lines of Python code
.
You ... | 11 | 2 | [
{
"comment_id": "4474211",
"author": "Ostracus",
"timestamp": "2018-04-11T02:43:39",
"content": "And after the series is over then we’ll play a quantum game where we’re not entirely sure we’ve scored.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4474366",
... | 1,760,374,410.491514 | ||
https://hackaday.com/2018/04/10/bringing-guitar-synthesis-to-the-microcontroller/ | Bringing Guitar Synthesis To The Microcontroller | Brian Benchoff | [
"Musical Hacks"
] | [
"audio",
"stompbox",
"synth",
"synthesizer",
"Teensy"
] | If you’re working with audio in an embedded environment, the best option for years now has been the Teensy 3 microcontroller board. This choice has mostly been due to its incredible power and audio libraries, but until now we really haven’t seen a stompbox-style interface that used the Teensy to its fullest extent. Now... | 12 | 7 | [
{
"comment_id": "4473921",
"author": "Ricardo Bánffy (@rbanffy)",
"timestamp": "2018-04-10T23:04:31",
"content": "It’d be perhaps interesting to control various parameters with accelerometers or gyroscopes so orienting the guitar would change the sound.",
"parent_id": null,
"depth": 1,
"... | 1,760,374,410.63259 | ||
https://hackaday.com/2018/04/10/micro-chainsaw-gets-a-much-needed-nitro-power-boost/ | Micro Chainsaw Gets A Much Needed Nitro Power Boost | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"centrifugal clutch",
"chainsaw",
"cordless",
"fuel",
"gas",
"internal combustion",
"linkage",
"nitro",
"R/C car",
"saw",
"throttle",
"tool"
] | When life hands you the world’s smallest chainsaw, what’s there to do except make it even more ridiculous? That’s what [JohnnyQ90] did when he
heavily modified a mini-electric chainsaw with a powerful RC car engine
.
The saw in question, a Bosch EasyCut with “Nanoblade technology,” can only be defined as a chainsaw in ... | 25 | 16 | [
{
"comment_id": "4473643",
"author": "PirateLabs",
"timestamp": "2018-04-10T20:25:54",
"content": "I have subscribed to his channel for a while now and I love the stuff that he does. He is a real craftsman with a fantastic imagination. He always makes really cool stuff too.",
"parent_id": null... | 1,760,374,410.88873 | ||
https://hackaday.com/2018/04/10/recharging-drones-on-the-go-with-a-supercharger/ | Recharging Drones On The Go With A Supercharger | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"battery",
"drone",
"robot",
"supercharger"
] | If Techcrunch is to be believed, our skies will soon be filled with delivery robots, ferrying tacos and Chinese food and Amazon purchases from neighborhood-area dispatch stations to your front door. All of this is predicated on the ability of quadcopters to rapidly recharge their batteries, or at the very least swap ou... | 45 | 15 | [
{
"comment_id": "4473474",
"author": "TGT",
"timestamp": "2018-04-10T18:38:17",
"content": "This is awesome! I can’t wait to score some free Chinese food with a slingshot!Just kidding. Probably. It’s a really cool design!",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,374,411.052048 | ||
https://hackaday.com/2018/04/10/margaret-hamilton-takes-software-engineering-to-the-moon-and-beyond/ | Margaret Hamilton Takes Software Engineering To The Moon And Beyond | Adam Fabio | [
"Biography",
"Hackaday Columns",
"Interest",
"Original Art"
] | [
"apollo",
"Apollo Guidance Computer",
"DSKY",
"Hamilton",
"Margaret Hamilton"
] | If you were to create a short list of women who influenced software engineering, one of the first picks would be Margaret Hamilton. The
Apollo 11 source code
lists her title as “PROGRAMMING LEADER”. Today that title would probably be something along the line of “Lead software engineer”
Margaret Hamilton was born in rur... | 39 | 12 | [
{
"comment_id": "4473351",
"author": "MK 2",
"timestamp": "2018-04-10T17:20:24",
"content": "So neat that Lego decided to include the stack of source code binders with her minifig. Very cute.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4473451",
"... | 1,760,374,410.971967 | ||
https://hackaday.com/2018/04/10/simple-mechanism-gives-support-for-smt-assembly/ | Simple Mechanism Gives Support For SMT Assembly | Dan Maloney | [
"Tool Hacks"
] | [
"assembly",
"linkage",
"microscope",
"pick and place",
"smd",
"smt",
"tweezers",
"vacuum"
] | With the fine work needed for surface-mount technology, most of the job entails overcoming the limits of the human body. Eyes more than a couple of decades old need help to see what’s going on, and fingers that are fine for manipulating relatively large objects need mechanical assistance to grasp tiny SMT components. B... | 15 | 11 | [
{
"comment_id": "4473196",
"author": "Ted",
"timestamp": "2018-04-10T15:50:58",
"content": "This is a neat idea. I guess the next step would be some kind of pantograph linkage that could improve placement accuracy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_i... | 1,760,374,411.261953 | ||
https://hackaday.com/2018/04/10/review-hbtool-hb-019-desoldering-iron/ | Reviewing The HBTool HB-019 Desoldering Iron: It Probably Won’t Shock You | Jenny List | [
"Hackaday Columns",
"Reviews",
"Teardown"
] | [
"desolder pump",
"desoldering",
"soldering iron",
"tool review"
] | This unholy lovechild of a cheap solder sucker and an even cheaper soldering iron is the HBTool HB-019 desoldering iron. It came to me for the princely sum of five pounds ($7). So for somewhere between the cost of a pint of foaming ale and the pub’s pie and mash I’d eat alongside it, what had I got?
Regular Hackaday re... | 38 | 13 | [
{
"comment_id": "4473015",
"author": "Ren",
"timestamp": "2018-04-10T14:18:56",
"content": "I see it is “plunger style”.Be sure to wear safety glasses when using it, so you don’t accidentally get punched in the eye.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id"... | 1,760,374,411.211783 | ||
https://hackaday.com/2018/04/10/the-forgotten-workstation-sun-javastation/ | The Forgotten Workstation: Sun JavaStation | Al Williams | [
"Retrocomputing"
] | [
"java",
"retrocomputing",
"sun"
] | These days, conversations about Java tend to center around Oracle and Google fighting it out in court. But back in 1996, Sun was the keeper of Java and promoted it heavily. They even released a diskless workstation that only runs Java applets. The Sun JavaStation was affectionately called the “Mr. Coffee” and [Cameron ... | 56 | 17 | [
{
"comment_id": "4472741",
"author": "problemchild68",
"timestamp": "2018-04-10T11:36:13",
"content": "Al are you reading my Youtube feed???Watch it there and then a repeat here ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4472892",
"author": "... | 1,760,374,411.43721 | ||
https://hackaday.com/2018/04/10/leap-motion-announces-open-source-augmented-reality-headset/ | Leap Motion Announces Open Source Augmented Reality Headset | Adam Fabio | [
"News",
"Virtual Reality"
] | [
"ar",
"augmented reality",
"Leap motion",
"virtual reality"
] | Leap Motion just dropped what may be the biggest tease in Augmented and Virtual Reality since Google Cardboard.
The North Star is an augmented reality head-mounted display
that boasts some impressive specs:
Dual 1600×1440 LCDs
120Hz refresh rate
100 degree FOV
Cost under $100 (in volume)
Open Source Hardware
Built-in L... | 29 | 13 | [
{
"comment_id": "4471945",
"author": "Martini",
"timestamp": "2018-04-10T08:28:20",
"content": "“They also mention using diamond tipped tooling in a vibration isolated lathe to grind the mirrors down.”If you want to have some descent optical quality you end up doing something like this. We do this l... | 1,760,374,411.833826 |
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