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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2019/04/24/stealing-dna-by-phone/ | Stealing DNA By Phone | Pedro Umbelino | [
"News",
"Security Hacks"
] | [
"data exfiltration",
"dna",
"side channel attack"
] | Data exfiltration via side channel attacks can be a fascinating topic. It is easy to forget that there are so many different ways that electronic devices affect the physical world other than their intended purpose. And creative security researchers like to play around with these side-effects for ‘fun and profit’.
Engin... | 8 | 4 | [
{
"comment_id": "6144619",
"author": "Bo Smith",
"timestamp": "2019-04-24T13:48:28",
"content": "I can’t wait for the day when DNA synthesizer is as common of a tool here on HaD as 3d printers and laser cutters.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,373,953.125155 | ||
https://hackaday.com/2019/04/24/self-aware-robotic-arm/ | Self-aware Robotic Arm | Pedro Umbelino | [
"Robots Hacks"
] | [
"deep learning",
"robotic arm",
"self-aware"
] | If you ever tried to program a robotic arm or almost any robotic mechanism that has more than 3 degrees of freedom, you know that a big part of the programming goes to the programming of the movements themselves. What if you built a robot, regardless of how you connect the motors and joints and, with no knowledge of it... | 16 | 6 | [
{
"comment_id": "6144580",
"author": "Nuta",
"timestamp": "2019-04-24T08:09:00",
"content": "To test whether the self-model could detect damage to itself, the researchers 3D-printed a deformed part to simulate damage and the robot was able to detect the change and re-train its self-model.",
"par... | 1,760,373,953.291283 | ||
https://hackaday.com/2019/04/23/texting-with-a-teletype/ | Texting With A Teletype | Brian Benchoff | [
"classic hacks"
] | [
"40mA current loop",
"current loop",
"gsm",
"GSM800",
"teletype",
"typewriter"
] | How do you get the kids interested in old technology? By connecting it to a phone, obviously. Those kids and their phones. When [Marek] got his hands on an old-school teletype,
he hooked it up to a GSM network
, with all the bells and whistles including a 40mA current loop running at an impressive 50 baud.
The teletype... | 13 | 7 | [
{
"comment_id": "6144566",
"author": "Doc",
"timestamp": "2019-04-24T06:06:37",
"content": "Started learning BASIC at University of Utah in 1975. Paid a buck an hour for access to a row of teletype machines converted to I/O terminals connected to s Univac 1108. Will always remrmber that “shook shoo... | 1,760,373,953.179833 | ||
https://hackaday.com/2019/04/23/making-microfluidics-simpler-with-shrinky-dinks/ | Making Microfluidics Simpler With Shrinky Dinks | Dan Maloney | [
"Misc Hacks",
"Science"
] | [
"control",
"film",
"microfluidics",
"plastic",
"polystyrene",
"Shrink film",
"shrinky dinks",
"Tesla valve"
] | It’s as if the go-to analogy these days for anything technical is, “It’s like a series of tubes.” Explanations thus based work better for some things than others, and even when the comparison is apt from a physics standpoint it often breaks down in the details. With microfluidics, the analogy is perfect because it lite... | 6 | 4 | [
{
"comment_id": "6144598",
"author": "sILk0x",
"timestamp": "2019-04-24T11:06:09",
"content": "I first read about using these in a scientific paper in 2008, meant for artificially creating spider silk- Shrinky-Dink microfluidics: 3D polystyrene chipshttps://pdfs.semanticscholar.org/4f7e/82e7e789b75d... | 1,760,373,953.428702 | ||
https://hackaday.com/2019/04/23/mowerbot-keeping-the-lawn-in-check-since-1998/ | Mowerbot Keeping The Lawn In Check Since 1998 | Lewin Day | [
"classic hacks"
] | [
"autonomous lawnmower",
"lawnmower",
"robot lawnmower"
] | Mowing the lawn is a chore that serves as an excellent character building excercise for a growing child. However, children are expensive and the maintenance requirements can be prohibitive. Many instead turn to robots to lend a hand,
and [Rue Mohr] is no exception
.
[Rue]’s creation goes by the name Mowerbot, and was f... | 36 | 10 | [
{
"comment_id": "6144517",
"author": "Prodigity",
"timestamp": "2019-04-23T23:16:19",
"content": "Glorious, it deserves to be put on a pedestal should it ever retire.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144536",
"author": "Rue Mohr",
... | 1,760,373,953.67169 | ||
https://hackaday.com/2019/04/25/this-gps-speedometer-hangs-off-your-handlebars/ | This GPS Speedometer Hangs Off Your Handlebars | Brian Benchoff | [
"3d Printer hacks",
"gps hacks"
] | [
"bicycle",
"gps",
"GPS unit",
"speedometer"
] | If you can ride a bike with no handlebars, no handlebars, no handlebars, you can do just about anything. You can take apart a remote control, and you can almost put it back together. You can listen in on a two meter repeater and you can
build a GPS module speedometer
. That’s what [Jeremy Cook] did with just a few part... | 9 | 7 | [
{
"comment_id": "6144839",
"author": "Paul",
"timestamp": "2019-04-25T09:18:58",
"content": "It is by steppers alone I set my printer in motion. It is by gcode that extruders acquire speed, the print acquires layers, layers become a boatie. It is by steppers alone I set my printer in motion.",
"... | 1,760,373,953.478007 | ||
https://hackaday.com/2019/04/24/house-training-a-military-ta-1024a-field-telephone/ | House Training A Military TA-1024A Field Telephone | Tom Nardi | [
"classic hacks",
"Phone Hacks"
] | [
"AUTOVON",
"conversion",
"electret microphone",
"matrix keypad",
"military",
"phone",
"pots"
] | After spotting some interesting military phones at a museum, [CuriousMarc] wondered what it would take to retrofit these heavy duty pieces of telecom equipment for civilian use. He knew most of the internals would be a lost cause, but reasoned that if he could reverse engineer key elements such as the handset and keypa... | 11 | 4 | [
{
"comment_id": "6144815",
"author": "dave",
"timestamp": "2019-04-25T07:06:39",
"content": "It is too bad to ruin an expensive set of these telephones. They are designed to be networked and switched but most importantly can be run on sound power alone. I recall they run at something like 1800ohm ... | 1,760,373,953.59246 | ||
https://hackaday.com/2019/04/24/a-diy-emc-probe-from-semi-rigid-coax-and-an-sdr/ | A DIY EMC Probe From Semi-Rigid Coax And An SDR | Dan Maloney | [
"Radio Hacks",
"Wireless Hacks"
] | [
"electromagnetic compatibility",
"emc",
"fft",
"ocxo",
"probe",
"RTL-SDR",
"sdr",
"spectrum analyzer",
"testing"
] | Do you have an EMC probe in your toolkit? Probably not, unless you’re in the business of electromagnetic compatibility testing or getting a product ready for the regulatory compliance process. Usually such probes are used in anechoic chambers and connected to sophisticated gear like spectrum analyzers – expensive stuff... | 17 | 7 | [
{
"comment_id": "6144777",
"author": "jafinch78",
"timestamp": "2019-04-25T02:09:35",
"content": "Would this method using the Spectrum Analyzer software for the SDRplay be much of an improvement? Seems better lower noise floor and frequency range capabilities at the least and a little more bandwidt... | 1,760,373,953.538641 | ||
https://hackaday.com/2019/04/24/prusa-launches-their-own-3d-model-repository/ | Prusa Launches Their Own 3D Model Repository | Tom Nardi | [
"3d Printer hacks",
"News"
] | [
"3d model",
"makerbot",
"open source",
"prusa",
"repositories",
"thingiverse"
] | If you own a 3D printer, you’ve heard of Thingiverse. The MakerBot-operated site has been the de facto model repository for 3D printable models since the dawn of desktop 3D printing, but over the years it’s fallen into a state of disrepair. Dated and plagued with performance issues, many in the community have been wond... | 58 | 11 | [
{
"comment_id": "6144756",
"author": "Edward Williams",
"timestamp": "2019-04-24T23:06:21",
"content": "What about myminifactory?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144759",
"author": "There's Dozens of Us",
"timestamp": "2019-04... | 1,760,373,953.387069 | ||
https://hackaday.com/2019/04/24/give-your-solar-garden-lights-a-color-changing-led-upgrade/ | Give Your Solar Garden Lights A Color Changing LED Upgrade | Roger Cheng | [
"LED Hacks",
"Solar Hacks"
] | [
"boost converter",
"color changing",
"garden",
"garden light",
"joule thief",
"led",
"nocturnal solar light",
"solar",
"solar cell"
] | White LEDs were the technological breakthrough that changed the world of lighting, now they are everywhere. There’s no better sign of their cost-effective ubiquity than the dollar store solar garden light: a complete unit integrating a white LED with its solar cell and battery storage. Not content with boring white lig... | 14 | 5 | [
{
"comment_id": "6144730",
"author": "Col. Panek",
"timestamp": "2019-04-24T20:34:18",
"content": "The output of the choke is shorted to ground periodically by a transistor to charge it up. That’s why you need the diode, otherwise the capacitor would discharge through the boost transistor.",
"pa... | 1,760,373,953.237801 | ||
https://hackaday.com/2019/04/24/gps-self-adjusting-clock-with-an-e-ink-display/ | GPS Self-Adjusting Clock With An E-Ink Display | Jenny List | [
"clock hacks"
] | [
"2019 Hackaday Prize",
"glock",
"gps",
"time"
] | If you mention a clock that receives its time via radio, most people will think of one taking a long wave signal from a station such as WWVB, MSF, or DCF77. A more recent trend however has been for clocks that set themselves from orbiting navigation satellites, and
an example comes to us from [KK99]
. It’s a relativel... | 18 | 7 | [
{
"comment_id": "6144701",
"author": "jafinch78",
"timestamp": "2019-04-24T18:43:19",
"content": "Reminds me I wanted to hack this Goodwill Store LaCrosse Model 617-1485B with an external antenna input for the time signal. I still need to read into more and am wondering about a GPS module emulator ... | 1,760,373,954.127167 | ||
https://hackaday.com/2019/04/24/radio-piracy-on-the-high-seas/ | Radio Piracy On The High Seas: Commercial Demand For Taboo Music | Al Williams | [
"Featured",
"History",
"Slider"
] | [
"pirate radio",
"radio caroline",
"radio northesea international",
"shortwave"
] | The true story of pirate radio is a complicated fight over the airwaves. Maybe you have a picture in your mind of some kid in his mom’s basement playing records, but the pirate stations we are thinking about — Radio Caroline and Radio Northsea International — were major business operations. They were perfectly ordinary... | 32 | 17 | [
{
"comment_id": "6144679",
"author": "Ren",
"timestamp": "2019-04-24T17:37:04",
"content": "I remember listening to “Peace Radio, broadcasting somewhere in the Mediterranean” back in the Middle East in 1987.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "614... | 1,760,373,954.843173 | ||
https://hackaday.com/2019/04/23/the-simplest-of-pseudo-random-number-generators/ | The Simplest Of Pseudo Random Number Generators | Jenny List | [
"classic hacks"
] | [
"2019 Hackaday Prize",
"pseudo-random",
"random number",
"sequence generator"
] | A truly random number is something that is surprisingly difficult to generate. A typical approach is to generate the required element of chance from a natural and unpredictable source, such as radioactive decay or thermal noise. By contrast it is extremely easy to generate numbers that
look
random but in fact follow a ... | 12 | 3 | [
{
"comment_id": "6144498",
"author": "Koplin",
"timestamp": "2019-04-23T21:13:16",
"content": "This reminded me of what Uno Attack might use. The game uses a pseudo-random sequence that you can memorize. If you turn off the game and back on the sequence is the same.",
"parent_id": null,
"dep... | 1,760,373,955.233398 | ||
https://hackaday.com/2019/04/23/circuit-level-game-boy-upping-emulation-ante-by-simulating-every-cycle/ | Circuit-Level Game Boy: Upping Emulation Ante By Simulating Every Cycle | Maya Posch | [
"FPGA",
"Nintendo Game Boy Hacks"
] | [
"emulation",
"fpga",
"game boy",
"hdl",
"nintendo",
"simulator"
] | Usually when writing emulation software for a system like the Game Boy, one makes sure to take as many shortcuts as possible in order to reduce the resources required for the emulation. This has however the unfortunate side-effect that it reduces the overall accuracy of the emulation and with it the compatibility with ... | 12 | 3 | [
{
"comment_id": "6144491",
"author": "Matt",
"timestamp": "2019-04-23T20:00:19",
"content": "With stuff like this, I keep wondering if parts of the emulator could be offloaded to something like a MKR Vidor 4000 or other FPGA platform aimed at the maker space.I don’t know enough about this space to s... | 1,760,373,954.692268 | ||
https://hackaday.com/2019/04/23/component-shelf-life-how-to-use-all-that-old-junk/ | Component Shelf Life: How To Use All That Old Junk | Ted Yapo | [
"Hackaday Columns",
"hardware",
"Parts"
] | [
"antique parts",
"components",
"pcbs",
"shelf life",
"smd components"
] | There are two types of Hackaday readers: those that have a huge stock of parts they’ve collected over the years (in other words, an enormous pile of junk) and those that will have one a couple of decades from now. It’s easy to end up with a lot of stuff, especially items that you’re likely to use in more than one desig... | 31 | 14 | [
{
"comment_id": "6144460",
"author": "Ren",
"timestamp": "2019-04-23T18:06:14",
"content": "Thanks!I was unaware of SMD components developing a thin, but stubborn layer of corrosion before being placed.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144497"... | 1,760,373,954.769694 | ||
https://hackaday.com/2019/04/23/get-your-acrylic-bends-just-right/ | Get Your Acrylic Bends Just Right | Lewin Day | [
"Tool Hacks"
] | [
"acrylic",
"bender",
"thermoplastic"
] | Acrylic is a popular material. It’s easy to find, attractive, and available in all manner of colors, thicknesses, and grades. Being a thermoplastic, it’s also simple to apply heat and form it in various different ways. If you’re wanting to build parts out of sheet acrylic, you might find a purpose-built bender useful.
... | 13 | 8 | [
{
"comment_id": "6144419",
"author": "Ren",
"timestamp": "2019-04-23T15:43:41",
"content": "Has HaD covered this one before?The black folding fiber board with a V-notch looks familiar.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6144424",
"author": "Ben... | 1,760,373,955.283315 | ||
https://hackaday.com/2019/04/23/need-a-small-keyboard-build-your-own/ | Need A Small Keyboard? Build Your Own! | Brian Benchoff | [
"Featured",
"hardware",
"Skills",
"Slider"
] | [
"keyboard",
"mechanical keyboard",
"membrane",
"raspberry pi",
"silicone"
] | If you want keyboards, we can get you keyboards. If you want a small keyboard, you might be out of luck. Unless you’re
hacking Blackberry keyboards
or futzing around with tiny tact switches, there’s no good solution to small, thin, customization keyboards. There’s one option though: silicone keyboards. No one’s done it... | 72 | 29 | [
{
"comment_id": "6144387",
"author": "RoBob",
"timestamp": "2019-04-23T14:05:57",
"content": "Fart holes? Is that the technical term?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144392",
"author": "Wolf",
"timestamp": "2019-04-23T14:27:1... | 1,760,373,955.182852 | ||
https://hackaday.com/2019/04/23/a-year-long-experiment-in-oled-burn-in/ | A Year-Long Experiment In OLED Burn-In | Brian Benchoff | [
"Misc Hacks"
] | [
"burn in",
"I2C oled",
"oled",
"pixel",
"screen saver"
] | If you need to add a small display to your project, you’re not going to do much better than a tiny OLED display. These tiny display are black and white, usually found in resolutions of 128×64 or some other divisible-by-two value, they’re driven over I2C, the libraries are readily available, and they’re cheap. You can’t... | 26 | 12 | [
{
"comment_id": "6144351",
"author": "yetihehe",
"timestamp": "2019-04-23T11:14:21",
"content": "Very nice test! I would leave one display totally unconnected as sample and then test single pixel luminosity levels with any equipment other than eye to compare relative levels (just for % of wear). But... | 1,760,373,955.341839 | ||
https://hackaday.com/2019/04/23/3d-printing-a-real-heart/ | 3D Printing A Real Heart | Pedro Umbelino | [
"3d Printer hacks",
"Medical Hacks",
"News"
] | [
"3d print",
"artificial heart",
"artificial organ",
"biomedical"
] | As 3D printing becomes more and more used in a wide range of fields, medical science is not left behind. From the more standard uses such as printing medical equipment and prosthetics to more advanced uses like printing cartilages and bones, the success of 3D printing technologies in the medical field is rapidly growin... | 12 | 8 | [
{
"comment_id": "6144354",
"author": "K",
"timestamp": "2019-04-23T11:29:12",
"content": "Goodbye hackaday comments. It was fun while it lasted.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6144360",
"author": "Jack Buffington",
"timestamp": "2019-04... | 1,760,373,955.055148 | ||
https://hackaday.com/2019/04/25/charge-all-your-batteries-with-usb-pd/ | Charge All Your Batteries With USB PD | Brian Benchoff | [
"hardware"
] | [
"lipo",
"USB C",
"USB-PD"
] | USB-C has been around for a while, and now that it can charge phones and Macbooks and Thinkpads, the hackers are starting to take note of power adapters that can supply lots of current. [Alex] was turned on to USB-C after he charged a laptop, Nintendo Switch, and phone with one power adapter.
This led him to create a U... | 27 | 6 | [
{
"comment_id": "6145056",
"author": "Dheera Venkatraman",
"timestamp": "2019-04-25T23:28:34",
"content": "It would be awesome if there was a USB-PD version of the Adafruit Powerboost 1000C:https://learn.adafruit.com/adafruit-powerboost-1000c-load-share-usb-charge-boost/overviewBasically, it does ch... | 1,760,373,955.00502 | ||
https://hackaday.com/2019/04/25/rfid-payment-ring-made-from-dissolved-credit-card/ | RFID Payment Ring Made From Dissolved Credit Card | Tom Nardi | [
"Radio Hacks",
"Wearable Hacks"
] | [
"contactless payment",
"credit card",
"magnet wire",
"rfid",
"silicone mold"
] | RFID payment systems are one of those things that the community seems to be divided on. Some only see the technology as a potential security liability, and will go a far as to disable the RFID chip in their card so that it can’t be read by a would-be attacker. Others think the ease and convenience of paying for goods b... | 36 | 10 | [
{
"comment_id": "6145025",
"author": "Another Random",
"timestamp": "2019-04-25T20:23:53",
"content": "For a number of card providers, you will have to authenticate using a chip and pin after so many contactless payments (well in the UK at any rate) may hit a snag once that limit your bank has is re... | 1,760,373,955.418824 | ||
https://hackaday.com/2019/04/25/a-tesla-coil-from-pcbs/ | A Tesla Coil From PCBs | Jenny List | [
"Musical Hacks"
] | [
"GaN",
"pcb",
"tesla coil"
] | While at the Hacker Hotel camp in the Netherlands back in February, our attention was diverted to an unusual project. [Niklas Fauth] had bought along
a Tesla coil
, but it was no ordinary Tesla coil. Instead of the usual tall coil and doughnut-shaped capacity hat it took the form of a stack of PCBs with spacers between... | 6 | 5 | [
{
"comment_id": "6145011",
"author": "Grant Kohler",
"timestamp": "2019-04-25T18:52:47",
"content": "Electrify the boys and girls, if you’d be so kind.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145048",
"author": "Brian",
"timestamp": "2019-04-25... | 1,760,373,956.081353 | ||
https://hackaday.com/2019/04/25/retrotechtacular-balloons-go-to-war/ | Retrotechtacular: Balloons Go To War | Tom Nardi | [
"History",
"Retrotechtacular"
] | [
"film",
"training",
"US Navy",
"US Navy training",
"WW2",
"wwii"
] | To the average person, the application of balloon technology pretty much begins and ends with birthday parties. The Hackaday reader might be able to expand on that a bit, as we’ve covered several projects that have lofted various bits of equipment into the stratosphere courtesy of a high-altitude balloons. But even tha... | 5 | 5 | [
{
"comment_id": "6144991",
"author": "Pangodream Platform",
"timestamp": "2019-04-25T18:03:36",
"content": "Much better than many XXI century training videos!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6145012",
"author": "jafinch78",
"timestamp"... | 1,760,373,956.036062 | ||
https://hackaday.com/2019/04/25/sound-card-adcs-for-electrocardiograms/ | Sound Card ADCs For Electrocardiograms | Brian Benchoff | [
"Medical Hacks"
] | [
"adc",
"ecg",
"electrocardiogram",
"soundcard"
] | Every few years, or so we’re told, [Scott] revisits the idea of building an electrocardiogram machine. This is just a small box with three electrodes. Attach them to your chest, and you get a neat readout of your heartbeat. This is a project that has been done to death, but [Scott]’s most recent implementation is fanta... | 15 | 6 | [
{
"comment_id": "6144954",
"author": "BobT",
"timestamp": "2019-04-25T16:34:30",
"content": "Shouldn’t there be some isolation between the ECG circuit and the sound card to prevent leakage current? Using a battery to power the ECG circuit is good, but plugging the thing into your desktop PC seems to... | 1,760,373,956.563067 | ||
https://hackaday.com/2019/04/25/the-50-ham-dummy-loads/ | The $50 Ham: Dummy Loads | Dan Maloney | [
"Hackaday Columns",
"Original Art",
"Radio Hacks",
"Slider"
] | [
"amateur",
"antenna",
"dummy load",
"ham radio",
"impedance",
"Reactive",
"resistive",
"testing",
"The $50 Ham",
"transmistter"
] | This is an exciting day for me — we finally get to build some ham radio gear! To me, building gear is the big attraction of amateur radio as a hobby. Sure, it’s cool to buy a radio, even a cheap one, and be able to hit a repeater that you think is unreachable. Or on the other end of the money spectrum, using a Yaesu or... | 41 | 13 | [
{
"comment_id": "6144905",
"author": "jpa",
"timestamp": "2019-04-25T14:23:37",
"content": "I doubt that resistor would handle 35 watts without the heatsink tab connected to anything..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144993",
"author"... | 1,760,373,956.170876 | ||
https://hackaday.com/2019/04/25/the-galaxy-fold-or-why-flexible-oled-may-not-yet-be-ready-for-prime-time/ | The Galaxy Fold, Or Why Flexible OLED May Not Yet Be Ready For Prime Time | Maya Posch | [
"News",
"Phone Hacks"
] | [
"flexible displays",
"flexible oled",
"Galaxy",
"galaxy fold",
"oled",
"samsung"
] | Samsung’s fancy new high-end smartphone with a flexible, foldable OLED display has been failing in worrying numbers for the first reviewers who got their hands on one. Now
iFixit has looked into the issue
using their considerable amount of smartphone tear-down experience to give their two cents. They base many of their... | 92 | 19 | [
{
"comment_id": "6144857",
"author": "Nate B",
"timestamp": "2019-04-25T11:19:15",
"content": "But I don’t want a foldable cellphone any more than I want an always-on speaker spying on me. Can I just sit back and chuckle at the people who thought this was a good idea?",
"parent_id": null,
"d... | 1,760,373,956.511353 | ||
https://hackaday.com/2019/04/22/why-satellites-of-the-future-will-be-built-to-burn/ | Why Satellites Of The Future Will Be Built To Burn | Tom Nardi | [
"Current Events",
"Featured",
"Original Art",
"Slider",
"Space"
] | [
"debris",
"design for demise",
"fcc",
"reaction wheel",
"reentry",
"Skylab",
"SpaceX",
"Starlink"
] | There’s no shortage of ways a satellite in low Earth orbit can fail during the course of its mission. Even in the best case scenario, the craft needs to survive bombardment by cosmic rays and tremendous temperature variations. To have even a chance of surviving the worst, such as a hardware fault or collision with a ro... | 33 | 14 | [
{
"comment_id": "6144168",
"author": "Ostracus",
"timestamp": "2019-04-22T14:13:52",
"content": "“But with falling launch prices promising to make space a lot busier in the next few years, the race is on to develop new technologies which will help make sure that a satellite is only intact for as lon... | 1,760,373,956.643331 | ||
https://hackaday.com/2019/04/22/video-mangler-for-all-your-video-mangling-needs/ | Video Mangler For All Your Video Mangling Needs | Brian Benchoff | [
"classic hacks"
] | [
"circuit bending",
"circuitbending",
"ntsc",
"pal"
] | Back in the ’70s and ’80s, before we had computers that could do this sort of thing, there were fully analog video effects. These effects could posterize or invert the colors of a video signal, but for the best example of what these machines could do just go find some old music videos from Top of The Pops or Beat Club.... | 8 | 5 | [
{
"comment_id": "6144144",
"author": "Sweeney",
"timestamp": "2019-04-22T11:31:05",
"content": "Interesting, but video these days is pretty much all in the digital domain, so FPGA systems with HDMI in/out are going to be more useful.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,956.217658 | ||
https://hackaday.com/2019/04/22/rip-rex-garrod-creator-extraordinaire/ | RIP Rex Garrod, Creator Extraordinaire | Jenny List | [
"News",
"Robots Hacks"
] | [
"obituary",
"Rex Garrod",
"robot wars",
"Tim Hunkin"
] | Earlier this month, the youth motocross champion, special effects creator, inventor, TV presenter, and Robot Wars competitor, [Rex Garrod]
died at the age of 75 after a long battle with dementia
. We do not often carry obituaries here at Hackaday, and it’s possible that if you are not a Brit you may not have heard of [... | 30 | 22 | [
{
"comment_id": "6144121",
"author": "Bman",
"timestamp": "2019-04-22T08:09:39",
"content": "RIP Rex! Alwas cherished your energy and things you built.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6144123",
"author": "jafinch78",
"timestamp": "2019-0... | 1,760,373,956.289199 | ||
https://hackaday.com/2019/04/21/a-high-speed-slide-scanner-build/ | A High-Speed Slide Scanner Build | Lewin Day | [
"digital cameras hacks"
] | [
"camera",
"camera slide",
"photographic slide",
"photography",
"slide",
"slide photography",
"slide projector",
"slide scanner",
"slide viewer"
] | Photographic slides were popular in the middle part of the 20th century, but are long forgotten now. If you’ve found a handful in a dusty attic, you might consider sending them away to be digitized professionally, or using a flatbed scanner at home. [Bryan Howard] found himself with over 200,000 slides, however, so tha... | 19 | 10 | [
{
"comment_id": "6144112",
"author": "Connor Nishijima",
"timestamp": "2019-04-22T05:40:58",
"content": "I love the rhythm it gets into, very cool! Maybe OpenCV can detect bounds and rotation of the scans to automatically correct and crop slides that drop in slightly crooked? (If that’s even a probl... | 1,760,373,956.78214 | ||
https://hackaday.com/2019/04/21/build-your-own-freezer-with-thermoelectric-coolers/ | Build Your Own Freezer With Thermoelectric Coolers | Lewin Day | [
"classic hacks"
] | [
"freezer",
"fridge",
"peltier",
"thermoelectric",
"thermoelectric cooler",
"thermoelectric effect"
] | Freezers are highly useful devices. You can preserve food, stop a dead animal from stinking out your apartment, and keep your vodka at the optimal drinking temperature. Of course, most of us bought ours from the local whitegoods store,
but [Tech Ingredients] set out to build his own (YouTube, embedded below).
Unlike yo... | 40 | 17 | [
{
"comment_id": "6144092",
"author": "BrightBlueJim",
"timestamp": "2019-04-22T02:21:04",
"content": "I’m really looking forward to his dessicant cycle refrigerator he teased at the end of the video.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6680585",
... | 1,760,373,956.721936 | ||
https://hackaday.com/2019/04/21/hackaday-links-april-21-2019/ | Hackaday Links: April 21, 2019 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"drone",
"flex circuit",
"infocom",
"Leisure Suit Larry",
"VCF",
"VCF East",
"Vintage Computer Festival"
] | A Russian company
has developed a drone
with a very interesting control scheme. It’s a VTOL fixed wing, that takes off like a bicopter, transitions to use wings for lift, flies around for half an hour or so, and then lands on its tail. This is a big ‘un; the reported weight is 50 pounds. Although the available footage ... | 16 | 7 | [
{
"comment_id": "6144084",
"author": "soundman98",
"timestamp": "2019-04-22T00:16:32",
"content": "Well, at least it’s not another concrete USB post!I really never understood the worth of those USB killers. I see no positive benefit to such a device.",
"parent_id": null,
"depth": 1,
"re... | 1,760,373,956.838954 | ||
https://hackaday.com/2019/04/21/making-a-flying-wing-with-expanding-foam/ | Making A Flying Wing With Expanding Foam | Lewin Day | [
"Misc Hacks"
] | [
"expanding foam",
"flying wing",
"foam"
] | Many radio control aircraft modelers will be familiar with the process of cutting wings out of foam with the hot wire method. The tools are simple enough to build at home, and it’s an easy way of producing a lightweight set of wings without too much hassle.
[IkyAlvin] walks a different path, however (YouTube link, embe... | 9 | 4 | [
{
"comment_id": "6144072",
"author": "David Lang",
"timestamp": "2019-04-21T21:50:34",
"content": "another advantage of this over hot-wire cut wings is that the mold is reusable, so when you damage the wings you can readily make replacements.why use the foam board as a skin rather than just aluminum... | 1,760,373,956.884687 | ||
https://hackaday.com/2019/04/22/get-coding-with-this-atari-2600-development-suite/ | Get Coding With This Atari 2600 Development Suite | Lewin Day | [
"Retrocomputing"
] | [
"6502",
"atari 2600",
"retro console",
"retrocomputing"
] | Sometimes the urge strikes to get busy coding for an old retro system, but unfortunately the bar to entry can be high. There’s a need to find a workable compiler, let alone trying to figure out how to load code onto original vintage hardware. It doesn’t have to be so hard, though.
The team at [HeatSync Labs] built an A... | 18 | 11 | [
{
"comment_id": "6144317",
"author": "RÖB",
"timestamp": "2019-04-23T05:47:13",
"content": "Ahh, in the background of the picture. Something I so so longed to have at the peek of my career … a “phoneless cord”. Damn that callout.On a lighter note, are we close to getting an online development enviro... | 1,760,373,956.941798 | ||
https://hackaday.com/2019/04/22/mechanical-integration-with-kicad/ | Mechanical Integration With KiCad | Brian Benchoff | [
"Tool Hacks"
] | [
"cad",
"freecad",
"KiCAD",
"step"
] | Eagle and Fusion are getting all the respect for integrating electronic and mechanical design, but what about KiCad? Are there any tools out there that allow you to easily build an enclosure for your next printed circuit board? [Maurice] has one solution,
and it seamlessly synchronizes KiCad and FreeCAD
. KiCad will gi... | 20 | 8 | [
{
"comment_id": "6144295",
"author": "Chris",
"timestamp": "2019-04-23T02:38:41",
"content": "I keep trying to learn FreeCAD, but always fall back to Fusion or other commercial apps in utter frustration. KiCAD, on the other hand, was easy enough to pick up and become at least moderately proficient ... | 1,760,373,957.024801 | ||
https://hackaday.com/2019/04/22/steel-reinforced-3d-prints/ | Steel-Reinforced 3D Prints | Brian Benchoff | [
"3d Printer hacks"
] | [
"3d print",
"3d printing",
"reinforcement",
"steel"
] | Continuing on the never-ending adventure of how to make a 3D print stronger, [Brauns CNC] is coming at us with
a new technique that involves steel-reinforced 3D printed parts
.
We’ve seen plenty of methods to create stronger 3D prints, from using carbon fiber filament to simply printing the part in a way that the layer... | 17 | 4 | [
{
"comment_id": "6144282",
"author": "Paul",
"timestamp": "2019-04-23T00:13:39",
"content": "Good idea. Now automate with inspiration from that which came before:https://hackaday.com/2018/11/04/stepper-motor-mods-improve-cnc-flat-coil-winder/",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,957.589765 | ||
https://hackaday.com/2019/04/22/jigfab-makes-woodworking-easier/ | JigFab Makes Woodworking Easier | Lewin Day | [
"Tool Hacks"
] | [
"jig",
"wood",
"woodwork",
"woodworking"
] | Woodworking is an age-old craft that requires creativity and skill to get the best results. Experienced hands get the best results, while the new builder may struggle to confidently produce even basic pieces.
JigFab is here to level the playing field somewhat.
Much of the skill in woodworking comes with mastering the v... | 20 | 14 | [
{
"comment_id": "6144250",
"author": "wqedfg",
"timestamp": "2019-04-22T20:17:59",
"content": "ITT: overengineering.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6144251",
"author": "Dave",
"timestamp": "2019-04-22T20:20:36",
"content": "Where do... | 1,760,373,957.690857 | ||
https://hackaday.com/2019/04/22/power-stacker-a-modular-battery-bank/ | Power Stacker, A Modular Battery Bank | Jenny List | [
"green hacks"
] | [
"2019 Hackaday Prize",
"battery backup",
"battery bank",
"Li-ion"
] | Many of us will own a lithium-ion power pack or two, usually a brick containing a few 18650 cylindrical cells and a 5 V converter for USB charging a cellphone. They’re an extremely useful item to have in your carry-around, for a bit of extra battery life when your day’s Hackaday reading has provided a worthy use for mo... | 9 | 5 | [
{
"comment_id": "6144248",
"author": "Hurp McDerp",
"timestamp": "2019-04-22T20:07:10",
"content": "I think my sarcasm detector is on the fritz",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6144276",
"author": "Isaac Porras",
"timestamp": "2019-04-22T... | 1,760,373,957.536256 | ||
https://hackaday.com/2019/04/22/hack-my-house-ul-certification-and-turning-the-lights-on-with-an-esp8266/ | Hack My House: UL Certification And Turning The Lights On With An ESP8266 | Jonathan Bennett | [
"Hackaday Columns",
"home hacks",
"how-to"
] | [
"ESP8266",
"smart home",
"tasmota"
] | It’s hard to imagine a smart house without smart lighting. Maybe it’s laziness, but the ability to turn a light on or off without walking over to the switch is a must-have, particularly once the lap is occupied by a sleeping infant. It’s tempting to just stuff a relay in the electrical boxes and control them with a Ras... | 48 | 22 | [
{
"comment_id": "6144207",
"author": "Kevin Kessler",
"timestamp": "2019-04-22T17:12:04",
"content": "Does flashing the device with your own firmware invalidate the UL certification?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144208",
"author": ... | 1,760,373,957.78211 | ||
https://hackaday.com/2019/04/22/kicad-and-freecad-hack-chat/ | KiCad And FreeCAD Hack Chat | Dan Maloney | [
"Hackaday Columns"
] | [
"electronic design automation",
"freecad",
"Hack Chat",
"KiCAD",
"manufacturing",
"pcb",
"schematic"
] | Join us Wednesday at noon Pacific time for the
KiCad and FreeCAD Hack Chat
led by Anool Mahidharia!
The inaugural KiCon conference
is kicking off this Friday in Chicago, and KiCad aficionados from all over the world are gathering to discuss anything and everything about the cross-platform, open-source electronic design... | 4 | 2 | [
{
"comment_id": "6144252",
"author": "Gcat122",
"timestamp": "2019-04-22T20:26:37",
"content": "Likely Wednesday 4/24 not 4/10?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144288",
"author": "Dan Maloney",
"timestamp": "2019-04-23T00:46:4... | 1,760,373,957.828154 | ||
https://hackaday.com/2019/04/21/vintage-slide-viewers-make-beautiful-retro-emulators/ | Vintage Slide Viewers Make Beautiful Retro Emulators | Lewin Day | [
"Raspberry Pi"
] | [
"pi zero",
"PiTFT",
"raspberry pi",
"retropie"
] | 35mm still photography is still hanging on out in the wild, with its hardcore fans ensuring it never quite dies out despite the onward march of digital imaging. Slides are an even more obsolete technology, forgotten long ago when the quality of color negative films improved. The related paraphernalia from the era of th... | 6 | 5 | [
{
"comment_id": "6144041",
"author": "RW ver 0.0.1",
"timestamp": "2019-04-21T17:29:31",
"content": "Those viewers seem to have gone rare round here, I was seeing lots of them 5 years ago. Been looking for one ever since the first article on one of these builds a year ago.",
"parent_id": null,
... | 1,760,373,957.631794 | ||
https://hackaday.com/2019/04/21/whats-the-secret-of-cyphercon/ | What’s The Secret Of Cyphercon? | Mike Szczys | [
"cons"
] | [
"Capture the Con",
"ctf",
"Cyphercon"
] | Cyphercon
is not particularly large, or in a glamorous part of the world — in fact most people who came in from out of town had to fight snow to make it. Yet when I stepped into the con last Thursday there was no doubt something awesome was in progress. People were camped out in small groups, working furiously on their... | 5 | 4 | [
{
"comment_id": "6144034",
"author": "Mar Williams",
"timestamp": "2019-04-21T16:47:03",
"content": "The phreaker artwork – image with the cluttered desk, is credited to the wrong artist here. That one is by me (Mar Williams). ihate.art or IG @spuxoThank you!",
"parent_id": null,
"depth": 1,... | 1,760,373,958.089621 | ||
https://hackaday.com/2019/04/21/characterising-a-potentiometer-with-a-stepper-motor/ | Characterising A Potentiometer With A Stepper Motor | Jenny List | [
"Parts"
] | [
"components",
"logarithmic",
"potentiometer"
] | Potentiometers, or variable resistors, are a standard component that we take for granted. If it says “10k log” on a volume pot, than we fit and forget. But if like [Ben Holmes] you are modelling electronic music circuitry, some greater knowledge is required. To that end he’s created a rig for
characterising a potentiom... | 16 | 9 | [
{
"comment_id": "6143990",
"author": "cliff claven",
"timestamp": "2019-04-21T11:31:35",
"content": "Very interesting. I didn’t know they were still made this way, since most current manufacture methods should allow for a smooth curve. I remember (and still have a few around, for that matter) the ol... | 1,760,373,958.031937 | ||
https://hackaday.com/2019/04/21/concrete-table-even-includes-a-usb-hub/ | Concrete Table Even Includes A USB Hub | Lewin Day | [
"classic hacks"
] | [
"concrete",
"table",
"USB hub"
] | When designing furniture, material choice has a huge effect on the character and style of the finished product. Wood is a classic option, while more modern designs may use metal, plastic or even cardboard. Less popular, but no less worthy, is concrete. It’s heavy, cheap, and you can easily cast it into a wide variety o... | 16 | 5 | [
{
"comment_id": "6143978",
"author": "Gray",
"timestamp": "2019-04-21T08:46:10",
"content": "Ok, I’ve got to ask. This is the third “concrete usb hub” article inside of a week, all by Lewin Day.What’s the play?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "... | 1,760,373,957.878183 | ||
https://hackaday.com/2019/04/20/watch-these-two-robots-cooperate-on-a-3d-print/ | Watch These Two Robots Cooperate On A 3D Print | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printing",
"co-operative printing",
"mecanum",
"mechanum",
"omni wheels",
"omnidirectional",
"robots",
"swarm 3d printing"
] | Putting a 3D printer on a mobile robotic platform is one thing, but two robots co-cooperatively printing a large object together is even more impressive.
AMBOTS posted the video on Twitter
and we’ve embedded it below.
The robots sport omnidirectional wheels and SCARA format arms, and appear to interact with some kind o... | 16 | 7 | [
{
"comment_id": "6143952",
"author": "geocrasher",
"timestamp": "2019-04-21T05:39:48",
"content": "This isn’t quite as mesmerizing as watching to Falcon rockets land in sync, but it’s darn close!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143964",
"au... | 1,760,373,958.141449 | ||
https://hackaday.com/2019/04/20/dollar-store-garden-lights-as-attiny-power-supplies/ | Dollar Store Garden Lights As ATtiny Power Supplies | Jenny List | [
"green hacks",
"News",
"Solar Hacks"
] | [
"garden light",
"joule thief",
"solar power"
] | Solar garden lights are just another part of the great trash pile of our age, electronics so cheap as to be disposable. Most of you probably have a set lurking somewhere at home, their batteries maybe exhausted. Internally though they are surprisingly interesting devices. A solar cell, a little boost converter chip, an... | 19 | 8 | [
{
"comment_id": "6143955",
"author": "Doc",
"timestamp": "2019-04-21T05:50:22",
"content": "So project will only run for a week or two?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143961",
"author": "Splud",
"timestamp": "2019-04-21T06:32:49",
... | 1,760,373,958.875833 | ||
https://hackaday.com/2019/04/20/cement-shelves-double-as-usb-hub/ | Cement Shelves Double As USB Hub | Lewin Day | [
"classic hacks"
] | [
"cement",
"concrete",
"shelf",
"USB hub"
] | Some of us are able to get by in life with somewhere between 0 and 1 USB ports. We typically refer to these people as “Mac users”. For the rest of us, too much is never enough, and we find ourselves seeking out expansion cards and hubs and all manner of perverse adapters and dongles. [JackmanWorks] was a man who found ... | 13 | 4 | [
{
"comment_id": "6143935",
"author": "Jeremy",
"timestamp": "2019-04-21T00:38:36",
"content": "That is pretty clever.So tangentially related, but HAD may have an answer: I’ve been using a USB C hub with my computer and have been noticing keys on my keyboard getting stuck a lot. After replacing the k... | 1,760,373,958.602258 | ||
https://hackaday.com/2019/04/19/vintage-camera-flash-turned-oled-desk-clock/ | Vintage Camera Flash Turned OLED Desk Clock | Tom Nardi | [
"Arduino Hacks",
"classic hacks",
"clock hacks"
] | [
"flash",
"oled",
"retro",
"rtc",
"ssd1306",
"vintage"
] | After covering a few of his builds at this point, we think it’s abundantly clear that [Igor Afanasyev] has a keen eye for turning random pieces of antiquated hardware into something that’s equal parts functional and gorgeous. He retains the aspects of the original which give it that unmistakable vintage look, while ver... | 6 | 4 | [
{
"comment_id": "6143785",
"author": "Hirudinea",
"timestamp": "2019-04-20T01:31:55",
"content": "Oh man that is just so pretty. This has to be made into a tiny HDTV, just has to be!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143787",
"author": "rnjac... | 1,760,373,958.820559 | ||
https://hackaday.com/2019/04/19/thirty-six-frets-for-a-3d-printed-guitar/ | Thirty Six Frets For A 3D Printed Guitar | Brian Benchoff | [
"3d Printer hacks",
"Musical Hacks"
] | [
"fret board",
"fretboard",
"guitar"
] | Only 80s kids will remember actual hair metal with the meedley-mees way up high on the fret board, and in the 80s, fret boards got longer. Twenty one or twenty two frets on a guitar weren’t good enough, and you needed the full two octaves of twenty four frets. As with anything, more is better,
so [Said Too Much] decide... | 5 | 4 | [
{
"comment_id": "6143742",
"author": "CompuCat",
"timestamp": "2019-04-19T20:44:03",
"content": "Reminds me of the Ibanez RG550XH, hehe – that only had 30 frets, though. Trying to actually get your fingers up to the 38th fret must be near-impossible!",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,958.728822 | ||
https://hackaday.com/2019/04/19/a-usb-c-soldering-iron-for-weller-tips/ | A USB -C Soldering Iron For Weller Tips | Jenny List | [
"Tool Hacks"
] | [
"2019 Hackaday Prize",
"soldering",
"soldering iron",
"Weller"
] | There was a time when a decent temperature controlled soldering iron took the form of the iron itself and a box of electronics, but now it’s just as likely to be a miniaturised affair with the temperature controller built into a slim and lightweight handle. Irons such as the Miniware TS series have become firm favourit... | 5 | 3 | [
{
"comment_id": "6143717",
"author": "Peter Misenko",
"timestamp": "2019-04-19T18:46:28",
"content": "I have also simple soldering pen with small custom display and USBhttps://hackaday.io/project/162820-dixi-rt-usb-soldering-pen-for-weller-rt",
"parent_id": null,
"depth": 1,
"replies": [... | 1,760,373,958.769721 | ||
https://hackaday.com/2019/04/19/retrotechtacular-transputer/ | Retrotechtacular: Transputer | Jenny List | [
"Retrotechtacular"
] | [
"inmos",
"multiprocessor",
"transputer"
] | Back in 2016, Hackaday published a review of
The National Museum of Computing
, at Bletchley Park. It mentions among the fascinating array of computer artifacts on display a single box that could be found in the corner of a room alongside their Cray-1 supercomputer. This was a Transputer development system, and though ... | 103 | 45 | [
{
"comment_id": "6143685",
"author": "Andy Pugh",
"timestamp": "2019-04-19T17:16:12",
"content": "We have some equipment at work that, if you watch the boot sequence scrolling past says “initialising transputers”. So there are still some, somewhere, doing their job.",
"parent_id": null,
"dep... | 1,760,373,960.983352 | ||
https://hackaday.com/2019/04/19/hackaday-podcast-015-going-low-frequency-robotic-machines-disk-usage-for-budgets-and-cellphones-versus-weather/ | Hackaday Podcast 015: Going Low Frequency, Robotic Machines, Disk Usage For Budgets, And Cellphones Versus Weather | Mike Szczys | [
"Hackaday Columns",
"Podcasts"
] | [
"5g",
"Hackaday Podcast",
"Notre Dame",
"robot arm",
"weather satellite",
"wireless charging",
"wooden mouse"
] | Hackaday Editors Mike Szczys and Elliot Williams discuss the highlights of the great hacks from the past week. On this episode we discuss wireless charging from scratch, Etch-A-Sketch selfies, the robot arm you really should build yourself, bicycle tires and steel nuts for anti-slip footwear, and bending the piezo-elec... | 6 | 2 | [
{
"comment_id": "6143797",
"author": "CMH62",
"timestamp": "2019-04-20T03:59:09",
"content": "Another great podcast, Mike and Elliot. Just curious if you guys have metrics on number of listeners? Don’t ever see too many comments left here when you post the show notes.Stories I really enjoyed:Cyphe... | 1,760,373,960.726214 | ||
https://hackaday.com/2019/04/19/printing-on-wood-with-an-inkjet/ | Printing On Wood, With An Inkjet | Brian Benchoff | [
"cnc hacks"
] | [
"direct to garment",
"inkjet",
"wood"
] | As a little experiment in desktop printing, because you can make a desk out of wood, [BlueFlower]
modified a standard inkjet printer to print on wood.
This is not an electronics mod by any means; this is still a printer that’s plugged into a USB port, does all the fancy printer firmware stuff, tells you to refill the y... | 19 | 11 | [
{
"comment_id": "6143666",
"author": "Ren",
"timestamp": "2019-04-19T16:02:41",
"content": "Slap on a coat of polyurethane, and you’re good to go!Without following the link, it looks like he used parts of a flatbed scanner to move the wood.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,373,960.783126 | ||
https://hackaday.com/2019/04/19/shadowhammer-wpa3-and-alexa-is-listening-this-week-in-computer-security/ | Shadowhammer, WPA3, And Alexa Is Listening: This Week In Computer Security | Jonathan Bennett | [
"Hackaday Columns",
"Security Hacks"
] | [
"alexa",
"amazon",
"Dragonblood",
"Ghidra",
"Shadowhammer",
"This Week in Computer Security",
"WPA3"
] | Let’s get caught up on computer security news! The big news is Shadowhammer — The Asus Live Update Utility prompted users to download an update that lacked any description or changelog. People thought it was odd, but the update was properly signed by Asus, and antivirus scans reported it as safe.
Nearly a year later, K... | 21 | 10 | [
{
"comment_id": "6143658",
"author": "Jonathan Bennett",
"timestamp": "2019-04-19T15:28:45",
"content": "I know. It’s a spoof of “Somebody’s Watching Me” by Rockwell. Adding the extra syllable (“To”) just throws off the meter.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,373,960.599144 | ||
https://hackaday.com/2019/04/20/vintage-radio-gets-a-modern-makeover/ | “Vintage” Radio Gets A Modern Makeover | Tom Nardi | [
"classic hacks",
"digital audio hacks"
] | [
"amplifier",
"bluetooth speaker",
"radio",
"retro",
"vintage"
] | Taking an old piece of gear and cramming it full of modern hardware is a very popular project. In fact, it’s one of the most common things we see here at Hackaday, especially in the Raspberry Pi era. The appeal is obvious: somebody has already done the hard work of designing and building an attractive enclosure, all yo... | 5 | 4 | [
{
"comment_id": "6143968",
"author": "Pacraf",
"timestamp": "2019-04-21T07:14:33",
"content": "I am looking for a Bluetooth anplampli board, but with one special feature – no stupid message when device is connected. Preferably silence, maybe a led indication. Just silence. Any recommendations please... | 1,760,373,960.830739 | ||
https://hackaday.com/2019/04/20/a-breadboard-power-supply-thats-more-universal-than-most/ | A Breadboard Power Supply That’s More Universal Than Most | Brian Benchoff | [
"Tool Hacks"
] | [
"breadboard",
"MIC5225",
"power supply"
] | A favorite project of ours is the humble breadboard power supply. Yes, you can still prototype on breadboards, no, you don’t need an entire bench power supply to prototype on one, and every breadboard made in the last forty years has had the same pattern of holes. There’s plenty of opportunity to improve the breadboard... | 50 | 19 | [
{
"comment_id": "6143868",
"author": "BT",
"timestamp": "2019-04-20T17:08:14",
"content": "“…constant voltage power supply that’s variable…” :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143882",
"author": "cliff claven",
"timestamp": "... | 1,760,373,960.681321 | ||
https://hackaday.com/2019/04/20/cast-aluminium-becomes-a-machine-tool/ | Cast Aluminium Becomes A Machine Tool | Brian Benchoff | [
"classic hacks",
"Tool Hacks"
] | [
"cnc",
"gingery",
"Shaper"
] | Shaper tools were, at one time, a necessary tool for any machine shop. With a shaper and a lathe, you can rebuild or manufacture almost anything. At the very least, you can make the tool to manufacture anything. For the last few months, [Makercise] has been working on building his own homemade shaper,
and now it’s maki... | 9 | 7 | [
{
"comment_id": "6143861",
"author": "Richard Collins",
"timestamp": "2019-04-20T15:30:19",
"content": "The most abundant element in surface materials on the moon is oxygen (~45%). followed by silicon, iron, calcium, aluminum (~6%), and magnesium. Plenty of useful metals for a modern day Robinson C... | 1,760,373,960.530968 | ||
https://hackaday.com/2019/04/20/3d-printed-tank-track-pops-together-with-plastic-bb-for-hinge/ | 3D Printed Tank Track Pops Together With Plastic BB For Hinge | Donald Papp | [
"3d Printer hacks",
"Robots Hacks"
] | [
"3d printed",
"6mm",
"airsoft",
"bb",
"tank track",
"tank tread"
] | 3D printing is well-suited to cranking out tank tread designs, because the numerous and identical segments required are a great fit for 3D printing’s strengths. The only hitch is the need for fasteners between each of those segments, but [AlwynxJones] has
a clever solution that uses plentiful hard plastic spheres
(in t... | 20 | 9 | [
{
"comment_id": "6143847",
"author": "Derek Anderson",
"timestamp": "2019-04-20T13:54:09",
"content": "I wonder why not actual metal BBs?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143850",
"author": "J",
"timestamp": "2019-04-20T14:17:2... | 1,760,373,961.138004 | ||
https://hackaday.com/2019/04/20/this-old-korg-cant-have-too-many-samples/ | This Old Korg Can’t Have Too Many Samples | Jenny List | [
"Musical Hacks"
] | [
"korg",
"korg DW-6000",
"synth",
"wavetable"
] | The Korg DW-6000 is an entry-level synthesiser from the mid 1980s that has the classic sounds, but not enough of them. At least that was [
Mateusz Kolanski
]’s view, as he hacked his model with
a 16-fold increase in its wavetable memory
.
At the heart of the DW-6000 is NEC’s UPD7810 16-bit microcontroller, a device st... | 4 | 3 | [
{
"comment_id": "6143889",
"author": "janostman",
"timestamp": "2019-04-20T19:22:42",
"content": "No one makes a comment?This is a really great way to modify a Korg.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6144004",
"author": "forty-2",
... | 1,760,373,961.242214 | ||
https://hackaday.com/2019/04/19/a-nearly-practical-6502-breadboard-computer/ | A Nearly Practical 6502 Breadboard Computer | Tom Nardi | [
"computer hacks",
"Retrocomputing"
] | [
"16x2 LCD",
"6502",
"7400",
"breadboard",
"homebrew computer"
] | Over the years we’ve seen a number of homebrew 6502 computers assembled with little more than a breadboard, a sack full of jumper wires, and an otherworldly patience that would make a Buddhist Monk jealous. Anyone who takes the time to assemble a fully functional computer on a half-dozen breadboards lined up on their w... | 21 | 8 | [
{
"comment_id": "6143814",
"author": "Arduino Enigma",
"timestamp": "2019-04-20T06:47:42",
"content": "Fritzing PCB coming up soon?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143843",
"author": "Nick Bild",
"timestamp": "2019-04-20T12:13... | 1,760,373,961.202513 | ||
https://hackaday.com/2019/04/19/manufacturing-simcity-for-the-nes/ | Manufacturing SimCity For The NES | Brian Benchoff | [
"Nintendo Hacks"
] | [
"nes",
"nintendo",
"SimCity"
] | Late last year, news broke of impossibly rare artifact from the age of the Nintendo Entertainment System. SimCity was the classic simulation game for PC and just about every other console, and it was written for the NES but never released. Now one guy finally got around to digging out his copy, which was dumped at the ... | 8 | 4 | [
{
"comment_id": "6143795",
"author": "M",
"timestamp": "2019-04-20T03:27:23",
"content": "If it’s unfinished, what’s the chance of some intrepid moder “finishing” it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143820",
"author": "ERIC S CHAPIN",... | 1,760,373,961.291599 | ||
https://hackaday.com/2019/04/19/pano-logic-fgpa-hacking-just-got-easier/ | Pano Logic FGPA Hacking Just Got Easier | Tom Nardi | [
"FPGA",
"Software Development",
"Software Hacks"
] | [
"fpga",
"Ghidra",
"jtag",
"Pano Logic",
"programmer"
] | When Pano Logic went out of business in 2012, their line of unique FPGA-based thin clients suddenly became a burden that IT departments didn’t want anything to do with. New and used units flooded the second-hand market, and for a while you could pick these interesting gadgets up for not much more than the cost of shipp... | 8 | 5 | [
{
"comment_id": "6143622",
"author": "ROB",
"timestamp": "2019-04-19T12:08:03",
"content": "It would be nice to see one standardised hardware constraints file so hackers could Easily share and understand each others work.",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,373,961.518156 | ||
https://hackaday.com/2019/04/19/forget-artificial-intelligence-think-artificial-life/ | Forget Artificial Intelligence; Think Artificial Life | Al Williams | [
"News",
"Science"
] | [
"cornell",
"dna"
] | If you are a science fiction fan, you are probably aware of one of the genre’s oddest dichotomies. A lot of science fiction is concerned about if a robot, alien, or whatever is a person. However — sometimes in the same story — finding life is as easy as asking the science officer with a fancy tricorder. If you go to Ma... | 19 | 9 | [
{
"comment_id": "6143605",
"author": "Jon H",
"timestamp": "2019-04-19T08:29:32",
"content": "“The effect is that the “creature” moves against the flow like a slime mold does.”Er, or like a glacier, although glaciers are limited in their movement “toward the flow” by gravity. But they definitely bre... | 1,760,373,961.467882 | ||
https://hackaday.com/2019/04/18/the-smallest-gamecube-is-actually-a-wii/ | The Smallest GameCube Is Actually A Wii | Brian Benchoff | [
"Nintendo Wii Hacks"
] | [
"casemod",
"gamecube",
"wii"
] | Casemodding, or stuffing video game consoles into shapes they were never meant to be in, is the preserve of a special breed. Our favorites are when old consoles are stuffed into different versions of the same console. Remember that gigantic O.G. Brick Game Boy carrying case? Yes, you can turn that into a jumbo-scale Ga... | 16 | 7 | [
{
"comment_id": "6143587",
"author": "CityZen",
"timestamp": "2019-04-19T05:34:54",
"content": "Ah, but no disc drive? :-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143640",
"author": "J Jensen",
"timestamp": "2019-04-19T13:50:36",
... | 1,760,373,961.657107 | ||
https://hackaday.com/2019/04/18/byte-sized-pieces-help-the-kicad-go-down/ | Byte Sized Pieces Help The KiCad Go Down | Kerry Scharfglass | [
"Tool Hacks"
] | [
"Chris Gammell",
"contextual electronics",
"eda",
"instruction",
"KiCAD",
"layout",
"learning",
"libre eda",
"pcb",
"schematic",
"tutorials"
] | It’s no surprise that we here at Hackaday are big fans of
Fritzing
KiCad. But to a beginner (or a seasoned veteran!) the learning curve can be cliff-like in its severity. In 2016 we published a piece linking to project by friend-of-the-Hackaday [Chris Gammell] called
Contextual Electronics
, his project to produce form... | 29 | 12 | [
{
"comment_id": "6143575",
"author": "osgeld",
"timestamp": "2019-04-19T03:05:01",
"content": "kicad, almost as good as 2001 era eagle",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143578",
"author": "LordNothing",
"timestamp": "2019-04-19T... | 1,760,373,961.845815 | ||
https://hackaday.com/2019/04/18/simple-ultrasound-machine-shows-the-skeleton-lurking-inside-us-all/ | Simple Ultrasound Machine Shows The Skeleton Lurking Inside Us All | Dan Maloney | [
"Medical Hacks"
] | [
"74121",
"Arduino DUE",
"boost converter",
"LM7171",
"pulse",
"SD811",
"transducer",
"ultrasound"
] | That first glimpse of a child in the womb as a black and white image on a screen is a thrilling moment for any parent-to-be, made possible by several hundred thousand dollars worth of precision medical instrumentation.
This ultrasound machine cobbled together from eBay parts and modules
is not that machine by a long sh... | 9 | 2 | [
{
"comment_id": "6143585",
"author": "John Dickinson",
"timestamp": "2019-04-19T05:27:29",
"content": "Not with that “music”, thank you.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143604",
"author": "lightray",
"timestamp": "2019-04-19T0... | 1,760,373,961.570568 | ||
https://hackaday.com/2019/04/18/the-6502-watch-because-someone-had-to-make-one/ | The 6502 Watch, Because Someone Had To Make One | Brian Benchoff | [
"classic hacks",
"News"
] | [
"6502",
"6522",
"PDIP",
"plcc",
"watch"
] | We are very familiar with retrocomputers, and if you want you too can build a computer that could have been made in the late ’70s on a breadboard. Just grab your CPU of choice, add some RAM, some ROM, a ton of jumper wires, and give it some way to talk to the outside world. The problem with the computers inspired by ye... | 13 | 4 | [
{
"comment_id": "6143534",
"author": "makomk",
"timestamp": "2019-04-18T20:05:40",
"content": "If I remember correctly, some of the cheap keychain digital photo frames ran on a 6502-based chip for some reason.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6... | 1,760,373,962.020331 | ||
https://hackaday.com/2019/04/18/heres-a-tesla-coil-you-can-wear/ | Here’s A Tesla Coil You Can Wear | Brian Benchoff | [
"Art"
] | [
"2019 Hackaday Prize",
"pcb",
"tesla coil"
] | It’s badgelife season, and if you need an idea for a killer piece of wearable electronics,
look no further than this PCB Tesla coil
. Yes, it’s killer, doubly so if you’re wearing a pacemaker.
This project was inspired by
an earlier Tesla coil on a PCB project
that used 160 turns of 6 mil traces on a circuit board as t... | 3 | 3 | [
{
"comment_id": "6143550",
"author": "Peter Misenko",
"timestamp": "2019-04-18T21:45:55",
"content": "Video form V2 is herehttps://www.youtube.com/watch?v=M2SEBqSLDsI… for all which not understand my last video this is RAW version no cuts, OK ???? also my fresh little sparking video is just uploaded... | 1,760,373,962.064135 | ||
https://hackaday.com/2019/04/18/teardown-the-guts-of-a-digital-sentry/ | Teardown: The Guts Of A Digital Sentry | Inderpreet Singh | [
"Hackaday Columns",
"home hacks",
"Teardown"
] | [
"alarm system",
"security system",
"teardown"
] | I have a home alarm system that has me wondering if I can make it better with my maker Kung-fu. Recently we had to replace our system, so I took the time to dissect the main controller, the remote sensors, and all the bits that make a home security system work.
To be precise, the subject of today’s interrogation is a Z... | 6 | 4 | [
{
"comment_id": "6143509",
"author": "Lou",
"timestamp": "2019-04-18T17:18:12",
"content": "Keupad plastic housing makes it look like a derivative of a Napco system.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143513",
"author": "2ftg",
"timestamp"... | 1,760,373,962.119546 | ||
https://hackaday.com/2019/04/18/making-a-dash-button-update-your-to-do-list/ | Making A Dash Button Update Your To-do List | Lewin Day | [
"classic hacks"
] | [
"alexa",
"Amazon Dash",
"amazon dash button",
"Dash button",
"raspberry pi"
] | Amazon’s Dash Buttons are useful little devices, that let you automatically order a wide variety of common household goods at the press of a button. They’re cheap and wireless and readily available, and that makes them ripe for hacking. In just this vein, [Inbar] and [Ezra]
found a way to make the Dash buttons update t... | 6 | 4 | [
{
"comment_id": "6143507",
"author": "Keith",
"timestamp": "2019-04-18T17:15:23",
"content": "I have mine connected through aws to smartthings. Push a button and anything you want can happen. ;)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143510",
"aut... | 1,760,373,962.163709 | ||
https://hackaday.com/2019/04/18/all-you-need-to-know-about-i2s/ | All You Need To Know About I2S | Jenny List | [
"Engineering",
"Featured",
"Microcontrollers"
] | [
"dac",
"digital audio",
"I2S",
"serial"
] | Last month we marked
the 40th birthday of the CD
, and it was as much an obituary as a celebration because those polycarbonate discs are fast becoming a rarity. There is one piece of technology from the CD age that is very much still with us though, and it lives on in the standard for sending serial digital audio betwe... | 24 | 13 | [
{
"comment_id": "6143464",
"author": "CRImier",
"timestamp": "2019-04-18T14:12:08",
"content": "Don’t forget the “running stepper motors from I2S on ESP8266” trick!https://hackaday.com/2016/09/06/run-a-reprap-on-an-esp8266/",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"com... | 1,760,373,962.285005 | ||
https://hackaday.com/2019/04/18/arduboy-goes-thin-and-flexible-for-portable-gaming/ | Arduboy Goes Thin And Flexible For Portable Gaming | Brian McEvoy | [
"Arduino Hacks",
"Games"
] | [
"Arduboy",
"because I can",
"capacitive touch",
"flexible circuit board",
"flexible circuits",
"flexible PCB",
"game",
"handheld",
"Kapton"
] | We all have a gaming system in our pocket or purse and some of us are probably reading on it right now. That pocket space is valuable so we have to budget what we keep in there and adding another gaming system is not in the cards, if it takes up too much space. [Kevin Bates] budgeted the smallest bit of pocket real est... | 5 | 3 | [
{
"comment_id": "6143425",
"author": "Max",
"timestamp": "2019-04-18T11:22:01",
"content": "Now use a flexible OLED and one of those flexible LiPo (is it LiPo? it’s something with Lithium for sure) batteries.Then the only thing left are felxible ICs…",
"parent_id": null,
"depth": 1,
"rep... | 1,760,373,962.442176 | ||
https://hackaday.com/2019/04/18/bone-conducting-headphones-built-into-eye-glasses/ | Bone Conducting Headphones Built Into Eye Glasses | Jenny List | [
"digital audio hacks",
"Wearable Hacks"
] | [
"bone conduction",
"bone conduction speaker",
"eyeglasses",
"glasses"
] | There are times when being seen to listen to music through headphones might get you into trouble. For these moments, reach for a handy solution: bone conduction speakers that discreetly pipe the music to your eardrums through the bone of your skull. [Samuel] wanted just such a covert music listening device, so
created ... | 21 | 10 | [
{
"comment_id": "6143396",
"author": "ThisGuy",
"timestamp": "2019-04-18T08:29:15",
"content": "I guess everybody is different, but to me it looks like the placement of the transducers could have been better. Further forward or backwards. Forwards because the contact would be better on my head shape... | 1,760,373,962.748736 | ||
https://hackaday.com/2019/04/17/benchtop-lathe-gets-an-electronic-leadscrew-makeover/ | Benchtop Lathe Gets An Electronic Leadscrew Makeover | Dan Maloney | [
"Tool Hacks"
] | [
"gear",
"lathe",
"leadscrew",
"Machine tool",
"omron",
"piccolo",
"pitch",
"quadrature encoder",
"ratio",
"RTOS",
"stepper",
"threading",
"ti launchpad"
] | The king of machine tools is the lathe, and if the king has a heart, it’s probably the leadscrew. That’s the bit that allows threading operations, arguably the most important job a lathe can tackle. It’s a simple concept, really – the leadscrew is mechanically linked through gears to the spindle so that the cutting too... | 51 | 16 | [
{
"comment_id": "6143371",
"author": "Marcus",
"timestamp": "2019-04-18T05:18:55",
"content": "I think it’s risky running the stepper in open loop control. Adding an encoder and implementing feedback would make it far more reliable.Also consider using clearpath servo motors instead of steppers, the... | 1,760,373,962.682169 | ||
https://hackaday.com/2019/04/17/cocktail-barbot-takes-things-up-a-level/ | Cocktail Barbot Takes Things Up A Level | Lewin Day | [
"home hacks"
] | [
"barbot",
"cocktail bot",
"cocktail machine",
"cocktail robot"
] | Mixing a cocktail is considered as much an art as a science. The practice is studied dilligently by bartenders the world over. Of course, for any given human task, there’s always another human building a robot to automate it. [CamdenS5] is one such human,
with a cocktail mixing barbot with a few tricks up its sleeve.
A... | 7 | 5 | [
{
"comment_id": "6143479",
"author": "Jake",
"timestamp": "2019-04-18T14:46:58",
"content": "Best cocktail machine to date that i’ve seen. The level of automation is awesome! This is kind of drink machine I need to build next!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"... | 1,760,373,962.491384 | ||
https://hackaday.com/2019/04/16/picking-the-right-sensors-for-home-automation/ | Picking The Right Sensors For Home Automation | Maya Posch | [
"Hackaday Columns",
"hardware",
"home hacks"
] | [
"bme280",
"co2",
"dht11",
"dht22",
"mh-z19",
"sensors"
] | Imagine that you’re starting a project where you need to measure temperature and humidity. That sounds easy in the abstract, but choosing a real device out of many involves digging into seemingly infinite details and trade-offs that come with them. If it’s a low-stakes monitoring project, picking the first sensor that ... | 22 | 11 | [
{
"comment_id": "6143049",
"author": "3161olivier",
"timestamp": "2019-04-16T17:40:18",
"content": "Very nice and detailed analysis. Thanks Maya !",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143057",
"author": "Jonathan Bennett",
"timestamp": "2019... | 1,760,373,962.815855 | ||
https://hackaday.com/2019/04/16/concrete-usb-hub-isnt-going-anywhere/ | Concrete USB Hub Isn’t Going Anywhere | Lewin Day | [
"classic hacks"
] | [
"concrete",
"hub",
"USB hub"
] | When starting a new project, the choice of material can have a big effect on the character of the finished product. Wood is stylish and has a certain elegance to it, while polished or brushed aluminium is great for a more futuristic feel. Sometimes though, you just want big, cheap and heavy –
in which case, concrete is... | 10 | 10 | [
{
"comment_id": "6143011",
"author": "Antron Argaiv",
"timestamp": "2019-04-16T15:52:49",
"content": "Maybe do a conformal coating before the concrete layer?",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143016",
"author": "SGOrava",
"timestamp": "20... | 1,760,373,962.868606 | ||
https://hackaday.com/2019/04/16/5g-buildout-likely-to-put-weather-forecasting-at-risk/ | How 5G Is Likely To Put Weather Forecasting At Risk | Dan Maloney | [
"Current Events",
"Engineering",
"Featured",
"News",
"Original Art",
"Slider"
] | [
"5g",
"auction",
"fcc",
"microwave radiometery",
"microwaves",
"noaa",
"passive",
"satellite",
"spectrum",
"weather",
"wireless"
] | If the great Samuel Clemens were alive today, he might modify the famous meteorological quip often attributed to him to read, “Everyone complains about weather forecasts, but I can’t for the life of me see why!” In his day, weather forecasting was as much guesswork as anything else, reading the clouds and the winds to ... | 90 | 31 | [
{
"comment_id": "6142983",
"author": "djsmiley2k",
"timestamp": "2019-04-16T14:09:45",
"content": "Does this also mean that 5G will suck, when it’s raining?I’m actually surprised the signal from 5G (which we keep hearing will be blocked by walls/doors/etc) is strong enough to be detected in space.",... | 1,760,373,963.043317 | ||
https://hackaday.com/2019/04/16/jailbreaking-a-subaru-qnx/ | Rooting Your Ride: Jailbreaking A Subaru QNX | Jenny List | [
"Security Hacks"
] | [
"head unit",
"qnx",
"reverse engineering",
"subaru"
] | A modern car still drives in the same way as the one you would have bought thirty years ago, it still has a steering wheel and all the other controls. What has changed in the cabin lies mostly beneath the dash, where enough computing power to launch several Moon shots takes care of everything from air-conditioning to e... | 18 | 11 | [
{
"comment_id": "6142952",
"author": "Antron Argaiv",
"timestamp": "2019-04-16T11:22:32",
"content": "QNX was also used on the eminently hackable but poorly accpeted 3Com Audrey “home internet appliance”:https://en.wikipedia.org/wiki/3Com_Audrey",
"parent_id": null,
"depth": 1,
"replies"... | 1,760,373,963.102177 | ||
https://hackaday.com/2019/04/16/go-subterranean-with-this-darpa-challenge/ | Go Subterranean With This DARPA Challenge | Maya Posch | [
"News"
] | [
"challenge",
"darpa",
"robotics"
] | Whether it comes to rescuing people from a cave system or the underground maze of sewers, tunnels and the like that exist underneath any major city, having accurate maps of the area is always crucial to know what the optimal routes are, and what the expected dangers are. The same is true for combat situations, where su... | 9 | 2 | [
{
"comment_id": "6142944",
"author": "RoGeorge",
"timestamp": "2019-04-16T10:12:40",
"content": "If a passive inertial navigation can be made accurate enough, such a technology will have an impact even bigger than the GPS.Everything that moves, from spaceships to submarines, will benefit from it. J... | 1,760,373,962.916821 | ||
https://hackaday.com/2019/04/15/giving-midi-organs-midi-drawbars/ | Giving MIDI Organs MIDI Drawbars | Brian Benchoff | [
"Musical Hacks"
] | [
"drawbar",
"Hammond",
"hammond organ",
"midi",
"midi controller"
] | This goes back to Bach: if you want to change the sound an organ makes, you have to pull on some drawbars. This design didn’t change for 300 years, and in the 20th century with the advent of ‘tonewheel’ organs, you still had small bars to pull to change what sounds came out of the organ. While this was a simple solutio... | 10 | 6 | [
{
"comment_id": "6142912",
"author": "fizzymagic",
"timestamp": "2019-04-16T06:20:25",
"content": "What a terrible article. Brian can’t even be bothered to describe what a drawbar is, or how one works on a pipe organ. Maybe it’s because he doesn’t know?",
"parent_id": null,
"depth": 1,
... | 1,760,373,963.171561 | ||
https://hackaday.com/2019/04/15/analysing-national-budgets-with-file-system-tools/ | Analysing National Budgets With File System Tools | Lewin Day | [
"Misc Hacks"
] | [
"file system",
"filesystem",
"national budget",
"US budget",
"US national budget"
] | Understanding a national budget can be difficult, with political interests and distorted talking points obscuring the truth. There’s no substitute for diving into the hard data yourself, but it can be difficult to know where to start. [D. Scott Williamson] wanted to do just that, and took an unconventional path –
using... | 20 | 5 | [
{
"comment_id": "6142889",
"author": "RW ver 0.0.1",
"timestamp": "2019-04-16T02:21:31",
"content": "I kinda wanna look at it in “J-DOS” which was a shell for DOS based on Nedry’s system seen on Jurassic Park. I swear it was on simtel, probably have to download a dozen ISOs from archive.org to find ... | 1,760,373,963.28499 | ||
https://hackaday.com/2019/04/17/a-mostly-3d-printed-speaker/ | A Mostly 3D Printed Speaker | Lewin Day | [
"3d Printer hacks",
"Musical Hacks"
] | [
"speaker"
] | The common magnetic loudspeaker is, fundamentally, a fairly simple machine. A static magnetic field is generated by a permanent magnet, and a membrane is mechanically connected to a coil. When a varying electrical current is passed through the coil, this causes the coil to move due to the magnetic field, vibrating the ... | 2 | 1 | [
{
"comment_id": "6143320",
"author": "M",
"timestamp": "2019-04-17T20:18:44",
"content": "Reminds me. A bajillion yeas ago there was an article here about someone who modified their printer to lay down copper wire, then lay plastic over it. I don’t think it ever left proof-fon-concept (no tool-chang... | 1,760,373,963.223024 | ||
https://hackaday.com/2019/04/17/making-crampons-out-of-scrap/ | Making Crampons Out Of Scrap | Lewin Day | [
"Misc Hacks",
"Wearable Hacks"
] | [
"crampons",
"rubber",
"shoes",
"winter hacks"
] | If you’re living somewhere that gets icy in the wintertime, you know the sidewalk can be perilous. Slipping on ice hurts like hell if you’re lucky, and can cause serious injuries if you’re not. Naturally, if you’re trying to get down to the hackerspace when it’s cold out, you’ll look for solutions. [masterbuilder] want... | 17 | 5 | [
{
"comment_id": "6143184",
"author": "djsmiley2k",
"timestamp": "2019-04-17T10:08:56",
"content": "I’d be interested to know how well these actually work – after all isn’t the point of the spikes on normal crampons to actually pierce the ice to get some grip? A nut with a smooth(ish) edge isn’t goin... | 1,760,373,963.337748 | ||
https://hackaday.com/2019/04/16/the-pocket-emulator-that-will-fit-in-your-pocket/ | The Pocket Emulator That Will Fit In Your Pocket | Brian Benchoff | [
"Portable Video Hacks"
] | [
"2019 Hackaday Prize",
"Allwinner",
"emulation",
"Funkey",
"game boy",
"Keymu"
] | If there’s one thing tiny Linux Systems on a Chip are good for, it’s emulation. There’s nothing like pulling out an emulation console on the bus for a quick game of old-school NES Tetris, or beating the next level in Super Mario World.
This is the smallest emulation console ever
. It’ll fit in your pocket, and it has a... | 20 | 9 | [
{
"comment_id": "6143177",
"author": "?",
"timestamp": "2019-04-17T08:42:20",
"content": "“smallest emulation console ever”? Did you guys already forget about Sprite_TM’s PocketSprite?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143261",
"author"... | 1,760,373,963.498276 | ||
https://hackaday.com/2019/04/16/this-air-compressor-sucks/ | This Air Compressor Sucks | Lewin Day | [
"Tool Hacks"
] | [
"air compressor",
"tyre inflator",
"vacuum",
"vacuum pump"
] | Vacuum is something most people learn about as children, when they’re first tasked with chores around the home. The humble vacuum cleaner is a useful home appliance and a great way to lose an eye as an inquisitive child. When it comes to common workshop tasks though, they can be a bit of a let down. When you need to pu... | 10 | 6 | [
{
"comment_id": "6143137",
"author": "CMH62",
"timestamp": "2019-04-17T02:16:03",
"content": "Thank goodness Hackaday doesn’t write about things that really suck! Oh, wait a minute ….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143139",
"author": "kom... | 1,760,373,963.438489 | ||
https://hackaday.com/2019/04/16/casting-cnc-parts-in-aluminium/ | Casting CNC Parts In Aluminium | Lewin Day | [
"Tool Hacks"
] | [
"aluminium casting",
"casting",
"cnc",
"lost pla casting"
] | When it comes to machining, particularly in metal, rigidity is everything. [Tailortech] had a homebuilt CNC machine with a spindle held in place by a plastic bracket. This just wasn’t up to the job,
so the decision was made to cast a replacement.
[Tailortech] decided to use the lost PLA process –
a popular choice among... | 19 | 8 | [
{
"comment_id": "6143118",
"author": "Sid",
"timestamp": "2019-04-17T01:05:01",
"content": "“Fusion 3D” should probably be “Fusion 360”",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143220",
"author": "Mike Szczys",
"timestamp": "2019-04-17... | 1,760,373,963.669392 | ||
https://hackaday.com/2019/04/16/circular-linear-motor-becomes-a-micro-motor-raceway/ | Circular Linear Motor Becomes A Micro Motor Raceway | Brian Benchoff | [
"Misc Hacks"
] | [
"2019 Hackaday Prize",
"circular motor",
"linear motor",
"model car",
"pcb motor"
] | Over on Hackaday.io we have a lot of people playing around with the possibilities presented by cheap printed circuit boards. Whether that means making a quadcopter from fiberglass or a speaker from etched copper, we’ve seen just about everything. Now, finally, we have a miniature magnetic racetrack.
It’s an ant highway... | 19 | 7 | [
{
"comment_id": "6143085",
"author": "Dave",
"timestamp": "2019-04-16T20:58:30",
"content": "Remember when videos/TV didn’t change the picture with a flash? ….when informational programs didn’t throw in “Time is running out. Will they make it in time?” When video was stationary long enough to ac... | 1,760,373,963.73076 | ||
https://hackaday.com/2019/04/16/piezoelectric-antennas-for-very-very-low-frequencies/ | Piezoelectric Antennas For Very, Very Low Frequencies | Brian Benchoff | [
"News",
"Radio Hacks"
] | [
"antenna",
"piezo",
"piezoelectric",
"radio",
"vlf"
] | If you want to talk about antennas, the amateur radio community has you covered, with one glaring exception. Very low frequency and Extremely Low Frequency radio isn’t practiced very much, ultimately because it’s impractical and you simply can’t transmit much information when your carrier frequency is measured in tens ... | 41 | 14 | [
{
"comment_id": "6143060",
"author": "steelman",
"timestamp": "2019-04-16T18:42:56",
"content": "There is really little explanation, why the crystal is more efficient at converting current to electromagnetic waves than a wire of the same small size.",
"parent_id": null,
"depth": 1,
"repl... | 1,760,373,963.976067 | ||
https://hackaday.com/2019/04/17/add-ons-go-electroluminescent/ | Add-Ons Go Electroluminescent | Brian Benchoff | [
"hardware"
] | [
"badgelife",
"el",
"EL display",
"electroluminescent",
"pcb"
] | It’s that time of the year again, and once more we’re faced with the latest innovations in Badgelife, the movement to explore the artistic merits of electronics and manufacturing.
This is an electroluminescent printed circuit board
, and it’s some of the finest work we’ve seen.
It’s also a Shitty Add-On
that glows blue... | 24 | 6 | [
{
"comment_id": "6143350",
"author": "Justin",
"timestamp": "2019-04-18T00:23:24",
"content": "A little pricey is an understatement!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143358",
"author": "mike",
"timestamp": "2019-04-18T02:04:21",
"con... | 1,760,373,963.900372 | ||
https://hackaday.com/2019/04/17/pocket-watch-becomes-pinhole-camera/ | Pocket Watch Becomes Pinhole Camera | Lewin Day | [
"classic hacks",
"Misc Hacks"
] | [
"camera",
"pinhole camera",
"pocket watch"
] | A pinhole camera is essentially the combination of the camera obscura with photographic film. The pinhole acts as the lens, focusing the scene onto the film, and after exposure, the film can then be developed and you’ve got your picture. They’re a fun way to learn about photography, and easy to make, too. [Brooklyntoni... | 5 | 3 | [
{
"comment_id": "6143335",
"author": "Dj Biohazard",
"timestamp": "2019-04-17T22:05:16",
"content": "Guess in the process he made an obscure camera…I’ll show myself out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6143341",
"author": "Dion Bettjem... | 1,760,373,964.015073 | ||
https://hackaday.com/2019/04/17/the-science-of-reverse-mounted-leds/ | The Science Of Reverse Mounted LEDs | Brian Benchoff | [
"Art"
] | [
"badge",
"badgelife",
"reverse mount LEDs"
] | One of the most artistic applications of electrical engineering in recent memory is the burgeoning badgelife movement. This is an odd collective of people who are dedicating their time to rendering their own accomplishments in printed circuit boards. Of the entire badgelife collective, one of the most visible efforts a... | 16 | 11 | [
{
"comment_id": "6143305",
"author": "#not_a_badge",
"timestamp": "2019-04-17T18:58:42",
"content": "This “artistic application” also works on non-badges ;)https://hackaday.io/project/162980-you-are-here(shameless self-plug)",
"parent_id": null,
"depth": 1,
"replies": [
{
"... | 1,760,373,964.072319 | ||
https://hackaday.com/2019/04/17/what-can-you-learn-from-an-eggbot/ | What Can You Learn From An Eggbot? | Elliot Williams | [
"cnc hacks",
"Hackaday Columns",
"hardware",
"Holiday Hacks",
"Interest"
] | [
"cnc",
"easter",
"eggbot",
"grbl",
"grbl shield",
"machine",
"stepper",
"stepper motor"
] | An eggbot is probably the easiest introduction to CNC machines that you could possibly hope for, at least in terms of the physical build. But at the same time, an eggbot can let you get your hands dirty with all of the concepts, firmware, and the toolchain that you’d need to take your CNC game to the next level, whatev... | 32 | 13 | [
{
"comment_id": "6143275",
"author": "DKE",
"timestamp": "2019-04-17T17:19:10",
"content": "Take a look at bCNC. It’s a pretty complete PC side interface to GRBL and can directly import several file types.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6143281... | 1,760,373,964.151227 | ||
https://hackaday.com/2019/04/17/next-week-is-kicon-come-for-the-talks-stay-for-the-parties/ | Next Week Is KiCon: Come For The Talks, Stay For The Parties | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"KiCAD",
"KiCon"
] | KiCad is the electronic design automation software that lives at the intersection of electronic design and open source software. It’s seen a huge push in development over the last few years which has grown the suite into a mountain of powerful tools. To help better navigate that mountain, the first ever KiCad conferenc... | 7 | 6 | [
{
"comment_id": "6143277",
"author": "CRImier",
"timestamp": "2019-04-17T17:25:19",
"content": "Shame I can’t attend, maybe next year. I’m especially interested in the FreeCAD stuff, will have to be on the lookout for the recordings!",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,373,964.24153 | ||
https://hackaday.com/2019/04/17/fabgl-has-everything-you-need-to-write-games-for-the-esp32/ | FabGL Has Everything You Need To Write Games For The ESP32 | Lewin Day | [
"classic hacks",
"Microcontrollers"
] | [
"ESP32",
"vga",
"vga out"
] | Typically, when one considers writing a video game, the platform is among the first decisions to be made. The PC can be an easy one to start with, and mobile development is fairly accessible too. Of course, you could always develop for a microcontroller platform instead. [Fabrizio Di Vittorio] has built the perfect set... | 8 | 6 | [
{
"comment_id": "6143241",
"author": "stickben",
"timestamp": "2019-04-17T15:56:01",
"content": "Left this on the other game page, but check out ODROID GO, seems like it would work together quite well.https://www.hardkernel.com/shop/odroid-go/",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,373,964.454932 | ||
https://hackaday.com/2019/04/17/the-drones-and-robots-that-helped-save-notre-dame/ | The Drones And Robots That Helped Save Notre Dame | Tom Nardi | [
"Current Events",
"drone hacks",
"Featured",
"Robots Hacks"
] | [
"disaster",
"DJI",
"drone",
"fire",
"firefighting",
"Notre Dame",
"robotics",
"uav"
] | In the era of social media, events such as the fire at Notre Dame cathedral are experienced by a global audience in real-time. From New York to Tokyo, millions of people were glued to their smartphones and computers, waiting for the latest update from media outlets and even individuals who were on the ground documentin... | 61 | 16 | [
{
"comment_id": "6143221",
"author": "DainBramage",
"timestamp": "2019-04-17T14:23:57",
"content": "I’m just glad to hear that it wasn’t completely destroyed. I look forward to following the rebuilding process.Let’s hope they add a full fire suppression to the cathedral (including the attic) system ... | 1,760,373,964.352579 | ||
https://hackaday.com/2019/04/15/a-robust-esp8266-rfid-access-control-system/ | A Robust ESP8266 RFID Access Control System | Tom Nardi | [
"hardware",
"Microcontrollers"
] | [
"access control",
"door lock",
"ESP8266",
"rfid"
] | By now we’ve seen plenty of projects that use an ESP8266 as a form of rudimentary access control: tap a button on your smartphone, and the door to your apartment unlocks. With the power and flexibility of the ESP, it’s a very easy project to pull off with minimal additional hardware. But what about if you want to get a... | 19 | 7 | [
{
"comment_id": "6142217",
"author": "Mike Massen",
"timestamp": "2019-04-15T12:09:28",
"content": "Ah ha, you have my attention, thanks for post, looking forward to comments :D",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "6142280",
"author": "Andy Payne... | 1,760,373,964.413328 | ||
https://hackaday.com/2019/04/15/mini-flickering-torch-effect-uses-neither-wires-nor-solder/ | Mini Flickering Torch Effect Uses Neither Wires Nor Solder | Donald Papp | [
"Games",
"LED Hacks"
] | [
"candle flicker",
"dungeon",
"Dungeons & Dragons",
"gaming",
"light pipe",
"miniatures",
"tea light",
"torch"
] | Cross section of pillar model.
[ROBAGON] makes miniature, 3D-printable gaming terrain and features like these
stone pillars with flickering torch
. His model isn’t free to download (though it’s under $2 at the time of writing), but the part that impressed us was his clever way of using electric tea lights to create a f... | 8 | 4 | [
{
"comment_id": "6142086",
"author": "Claudio",
"timestamp": "2019-04-15T11:23:31",
"content": "Neat. But I’m somewhat disappointed: when I looked at the miniature picture in the feed reader I thought that it was done with neon bulbs and a high-voltage electric field. Would probably make for a mor... | 1,760,373,964.616207 | ||
https://hackaday.com/2019/04/14/replicating-1970s-led-displays/ | Replicating 1970s LED Displays | Brian Benchoff | [
"LED Hacks"
] | [
"led",
"texas instruments",
"ti",
"TIL305"
] | In 1971, Texas Instruments released something no one else had ever seen before. The TIL305 was an alphanumeric display, powered by LEDs. Sure, the technology of the early 70s meant the LEDs weren’t very bright, and the displays were expensive, but if you want a display that’s simply classic, and relatively low-power, y... | 13 | 11 | [
{
"comment_id": "6140873",
"author": "Diggler",
"timestamp": "2019-04-15T05:32:50",
"content": "Feels like winning the lottery.Have a ton of these TIL305’s waiting for the future. Seems like it is here and I forgot to notice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"c... | 1,760,373,964.512228 | ||
https://hackaday.com/2019/04/14/only-90s-kids-want-heelys-made-from-pallet-wood/ | Only 90s Kids Want Heelys Made From Pallet Wood | Brian Benchoff | [
"Tool Hacks"
] | [
"clogs",
"heelys",
"pallet wood",
"shoes"
] | The kids are simply cooler than you. While you’re walking around using your feet like an animal, kids have shoes with wheels in their heels. These are called Heelys, and
here’s how you make wooden clogs, with wheels in the heels, out of pallet wood
. If you have to ask why, you’ll never know.
This build started off wit... | 7 | 3 | [
{
"comment_id": "6142268",
"author": "dynamodan",
"timestamp": "2019-04-15T12:28:30",
"content": "You shouldn’t use pallet wood to make wooden shoes. The chemicals from the wood will get into your feet and give you cancer, especially in California. Also, your cat will try to use the pallet wood sa... | 1,760,373,964.663163 |
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