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https://hackaday.com/2018/07/01/aquarium-controller-starring-arduino-gets-a-long-video-description/ | Aquarium Controller Starring Arduino Gets A Long Video Description | Al Williams | [
"Arduino Hacks",
"Raspberry Pi"
] | [
"aquarium",
"arduino",
"fish tank",
"Moon Phase"
] | There’s an old saying that the cobbler’s children have no shoes. Sometimes we feel that way because we stay busy designing things for other people or for demos that we don’t have time to just build something we want. [Blue Blade Fish] wanted to build
an Arduino-based aquarium controller
. He’s detailed the system in (s... | 4 | 2 | [
{
"comment_id": "4679696",
"author": "Brian",
"timestamp": "2018-07-01T16:04:35",
"content": "Do not understand how ‘manual over-ride’ is considered fail-safe.Software is not fail-safe. Humans are not fail-safe.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": ... | 1,760,374,312.361162 | ||
https://hackaday.com/2018/06/30/wireless-ring-light-for-smd-microscope/ | Wireless Ring Light For SMD Microscope | Steven Dufresne | [
"LED Hacks",
"Tool Hacks"
] | [
"led",
"led strip",
"light ring",
"microscope"
] | When [Felix Rusu], maker of the popular Moteino boards which started life as wireless Arduino compatibles, says he’s made a wireless ring light for his SMD microscope, we redirect our keystrokes to have a look. Of course, it’s a bit of wordplay on his part. What he’s done is made
a new ring light which uses a battery i... | 4 | 3 | [
{
"comment_id": "4678319",
"author": "Nova",
"timestamp": "2018-07-01T10:17:13",
"content": "Nice practical little build, the reason it lasted more than 6 hours on an even smaller than estimated battery, is likely because as the battery voltage drops so does Vf and power through the LED’s.",
"pa... | 1,760,374,312.404244 | ||
https://hackaday.com/2018/06/30/reverse-engineering-brains-one-neuron-at-a-time/ | Reverse-Engineering Brains, One Neuron At A Time | Roger Cheng | [
"Medical Hacks"
] | [
"biology",
"brain",
"brain hacks",
"brain scanning",
"fMRI",
"mri",
"neuron",
"neurons",
"neuroscience",
"optogenetics"
] | Most posts here are electrical or mechanical, with a few scattered hacks from other fields. Those who also keep up with advances in biomedical research may have noticed certain areas are starting to parallel the electronics we know. [Dr. Rajib Shubert] is in one such field, and picked up on the commonality as well. He ... | 10 | 5 | [
{
"comment_id": "4679237",
"author": "John Doe",
"timestamp": "2018-07-01T14:11:42",
"content": "Single neurons are really not at all like function calls.Virtually everything in the brain works on highly redundant population coding. It’s obvious why – losing one or two cells would be catastrophic if... | 1,760,374,312.452712 | ||
https://hackaday.com/2018/06/30/ddl-4-is-a-visually-pleasing-modular-cpu/ | DDL-4 Is A Visually Pleasing Modular CPU | Lewin Day | [
"computer hacks"
] | [
"74 series logic",
"bitslice",
"cpu"
] | Today’s CPUs are so advanced that they might as well be indistinguishable from magic, right? Wrong! Fundamentally, modern CPUs can be understood logically like any other technology, it’s just that they’re very fast, very small, and very complex, which makes it hard to get to grips with their inner workings. We’ve come ... | 16 | 5 | [
{
"comment_id": "4675557",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-06-30T23:24:25",
"content": "What’s the “CPDL I/O” board do?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4676111",
"author": "Ghyslain Chamberland",
"timestamp":... | 1,760,374,312.504535 | ||
https://hackaday.com/2018/06/30/dexter-has-the-precision-to-get-the-job-done/ | DEXTER Has The Precision To Get The Job Done | Lewin Day | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"fpga",
"robot arm",
"robotic arm",
"the hackaday prize"
] | Robotic arms – they’re useful, a key part of our modern manufacturing economy, and can also be charming under the right circumstances. But above all, they are prized for being able to undertake complex tasks repeatedly and in a highly precise manner. Delivering on all counts is
DEXTER, an open-source 5-axis robotic arm... | 24 | 8 | [
{
"comment_id": "4674515",
"author": "Ostracus",
"timestamp": "2018-06-30T20:03:16",
"content": "Dexter, get me a beer.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4675078",
"author": "Jamie",
"timestamp": "2018-06-30T21:38:14",
"c... | 1,760,374,312.56189 | ||
https://hackaday.com/2018/06/30/sonar-in-your-hand/ | Sonar In Your Hand | Brian McEvoy | [
"handhelds hacks",
"Peripherals Hacks",
"Wearable Hacks"
] | [
"ASL",
"gesture",
"gesture recognition",
"hand",
"sonar",
"wearable"
] | Sonar measures distance by emitting a sound and clocking how long it takes the sound to travel. This works in any medium capable of transmitting sound such as water, air, or in the case of FingerPing, flesh and bone.
FingerPing is a project at Georgia Tech
headed by [Cheng Zhang] which measures hand position by sending... | 8 | 4 | [
{
"comment_id": "4673657",
"author": "jafinch78",
"timestamp": "2018-06-30T17:12:42",
"content": "Way interesting. I was wondering if the remote control of living creatures can be accomplished using TDR or more-so the wireless methods for not only bones… I figure the nervous system where there may ... | 1,760,374,312.672089 | ||
https://hackaday.com/2018/06/30/gyrotourbillion-blesses-the-eyes-hard-to-say/ | Gyrotourbillion Blesses The Eyes, Hard To Say | Lewin Day | [
"clock hacks"
] | [
"3d print",
"3d printed",
"3d printer",
"clock",
"horology",
"tourbillion"
] | Clock movements are beautifully complex things. Made up of gears and springs, they’re designed to tick away and keep accurate time. Unfortunately, due to the vagaries of the universe, various sources of error tend to creep in – things like temperature changes, mechanical shocks, and so on. In the quest for ever better ... | 14 | 9 | [
{
"comment_id": "4673070",
"author": "Strangerer",
"timestamp": "2018-06-30T14:46:12",
"content": "I feel inspired by this. Really awesome.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4673242",
"author": "Ostracus",
"timestamp": "2018-06-3... | 1,760,374,312.719444 | ||
https://hackaday.com/2018/06/30/the-bbc-computer-literacy-project-from-the-1980s-is-yours-to-browse/ | The BBC Computer Literacy Project From The 1980s Is Yours To Browse | Jenny List | [
"classic hacks"
] | [
"1980's",
"bbc",
"BBC Micro",
"tv"
] | In the early 1980s there was growing public awareness that the microcomputer revolution would have a significant effect on everybody’s lives, and there was a brief period in which anything
remotely
connected with a computer attracted an air of glamour and sophistication. Broadcasters wanted to get in on the act, and pr... | 12 | 7 | [
{
"comment_id": "4672291",
"author": "Khai Bach",
"timestamp": "2018-06-30T11:29:12",
"content": "oh I loved those old cub monitors…. you could club a sperm whale to death with one..dropping one on your foot really made you notice….",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,312.770033 | ||
https://hackaday.com/2018/06/30/exostiv-fpga-debugging-might-be-a-bargain/ | Exostiv FPGA Debugging Might Be A Bargain | Al Williams | [
"FPGA"
] | [
"debugging",
"fpga",
"jtag"
] | Got $4,000 to spend? Even if you don’t, keep reading — especially if you develop with FPGAs. Exostiv’s FPGA debugging setup costs around $4K although if you are in need of debugging a complex FPGA design and your time has any value, that might not be very expensive. Then again, most of us have a lot of trouble justifyi... | 23 | 8 | [
{
"comment_id": "4671386",
"author": "John blackthorn",
"timestamp": "2018-06-30T08:28:11",
"content": "While it is impressive it is also a lot of dosh, especially when you consider that we’ve all got used to bugs in almost everything and either ignore, reboot or circumnavigate the issue somehow.",
... | 1,760,374,312.827957 | ||
https://hackaday.com/2018/06/29/charging-an-electric-supercar-with-lemons-kids-and-the-sun/ | Charging An Electric Supercar With Lemons, Kids, And The Sun | Dan Maloney | [
"Transportation Hacks"
] | [
"charger",
"electric vehicle",
"Hill Climb",
"lemon battery",
"Pikes Peak",
"RACE",
"race car",
"regnerative braking",
"volkswagen"
] | First things first: the tease on this video, that
an electric supercar can be charged from a massive lemon battery array
, is exactly that – a tease. Despite that, it makes for an interesting story and a great attempt to get kids exposed to science and engineering.
The story goes that [Mark] was approached by Volkswage... | 27 | 7 | [
{
"comment_id": "4670775",
"author": "anonymoose",
"timestamp": "2018-06-30T06:04:59",
"content": "The lemon power must have done something, it set the new world record(7:57.148).",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4670816",
"author": "Robert M... | 1,760,374,312.627098 | ||
https://hackaday.com/2018/06/29/free-e-book-software-defined-radio-for-engineers/ | Free E-Book: Software Defined Radio For Engineers | Al Williams | [
"Radio Hacks"
] | [
"Pluto",
"pluto sdr",
"sdr",
"software-defined radio"
] | We really like when a vendor finds a great book on a topic — probably one they care about — and makes it available for free. Analog Devices does this regularly and one you should probably have a look at is
Software Defined Radio for Engineers
. The book goes for $100 or so on Amazon, and while a digital copy has pluses... | 10 | 5 | [
{
"comment_id": "4669861",
"author": "Ostracus",
"timestamp": "2018-06-30T02:33:28",
"content": "“We really like when a vendor finds a great book on a topic — probably one they care about — and makes it available for free.”Or offer a cut-down, or otherwise modified version.",
"parent_id": null,
... | 1,760,374,313.321513 | ||
https://hackaday.com/2018/06/29/handmade-robot-brings-stop-motion-to-life/ | Handmade Robot Brings Stop Motion To Life | Tom Nardi | [
"3d Printer hacks",
"Robots Hacks"
] | [
"facial expression",
"robot",
"stop motion",
"ultimaker"
] | Stop motion animation is often called a lost art, as doing it (or at least, doing it well) is
incredibly
difficult and time consuming. Every detail on the screen, no matter how minute, has to be placed by human hands hundreds of times so that it looks smooth when played back at normal speed. The unique look of stop mot... | 17 | 8 | [
{
"comment_id": "4668804",
"author": "Ostracus",
"timestamp": "2018-06-29T23:16:00",
"content": "“The unique look of stop motion is desirable enough that it still does get produced, but it’s far less common than hand drawn or even computer animation.”Surprised then that people aren’t trying with com... | 1,760,374,313.37894 | ||
https://hackaday.com/2018/06/29/r-c-rocket-beest-burns-up-fuses-out-there-alone/ | R/C Rocket-Beest Burns Up Fuses Out There Alone | Kristina Panos | [
"Arduino Hacks",
"Robots Hacks"
] | [
"arduino nano",
"bluetooth",
"bottle rocket",
"nitinol",
"remote controlled strandbeest",
"rocket launcher",
"strandbeest"
] | We’re beginning to think the “S” in [Jeremy S Cook] stands for strandbeest. He’ll be the talk of the 4th of July picnic once he brings out his latest build—
a weaponized, remote-controlled strandbeest that shoots bottle rockets
. There are
a bank of money shots
up on Imgur.
This ‘beest is the natural next step after
hi... | 8 | 7 | [
{
"comment_id": "4668111",
"author": "Justin",
"timestamp": "2018-06-29T20:42:43",
"content": "Oh how the statement “a bank of money shots” couple be taken the wrong way.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4668285",
"author": "DominicW",
"t... | 1,760,374,313.103401 | ||
https://hackaday.com/2018/06/29/xlidar-is-a-merry-go-round-of-time-of-flight-sensors/ | XLIDAR Is A Merry-Go-Round Of Time-Of-Flight Sensors | Donald Papp | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"3d printed",
"distance sensor",
"diy",
"lidar",
"prototype",
"time of flight",
"TOF",
"VL53L0X",
"xlidar"
] | [JRodrigo]’s
xLIDAR project
is one of those ideas that seemed so attractively workable that it went directly to a PCB prototype without doing much stopping along the way. The concept was to mount a trio of outward-facing VL53L0X distance sensors to a small PCB disk, and then turn that disk with a motor and belt while t... | 38 | 12 | [
{
"comment_id": "4667545",
"author": "Doug Leppard",
"timestamp": "2018-06-29T18:40:11",
"content": "I love the concept, joined the project.How fast do you think you can do a 360 scan?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4667926",
"author"... | 1,760,374,313.454194 | ||
https://hackaday.com/2018/06/29/how-etak-paved-the-way-to-personal-navigation/ | How Etak Paved The Way To Personal Navigation | Dan Maloney | [
"Engineering",
"Featured",
"Hackaday Columns",
"Original Art",
"Retrocomputing",
"Slider"
] | [
"compass",
"dead reckoning",
"Etak",
"fluxgate",
"geocoding",
"gps",
"navigation",
"NAVSTAR",
"topology"
] | Our recent “Retrotechtacular” feature on
an early 1970s dead-reckoning car navigation system
stirred a memory of another pre-GPS solution for the question that had vexed the motoring public on road trips into unfamiliar areas for decades: “Where the heck are we?” In an age when the tattered remains of long-outdated pap... | 29 | 12 | [
{
"comment_id": "4667214",
"author": "Jerry",
"timestamp": "2018-06-29T17:10:41",
"content": "Native American Tribe Wheredafugarewe used dead reckoning also..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4667343",
"author": "Michael Black",
... | 1,760,374,313.253713 | ||
https://hackaday.com/2018/06/29/when-the-going-gets-tough-these-wheels-transform-to-tracks/ | When The Going Gets Tough, These Wheels Transform To Tracks | Roger Cheng | [
"Robots Hacks",
"Transportation Hacks"
] | [
"four wheel drive",
"off road",
"tracked vehicle",
"transforming wheels"
] | When we want to build something to go where wheels could not, the typical solution is to use tracks. But the greater mobility comes with trade-offs: one example being tracked vehicles can’t go as fast as a wheeled counterpart. Information released by
DARPA’s ground experimental vehicle technology (GXV-T) program
showed... | 29 | 10 | [
{
"comment_id": "4666950",
"author": "Ostracus",
"timestamp": "2018-06-29T15:39:52",
"content": "Looks like something that would give the 4WD industry a run for it’s money.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4672237",
"author": "lad",
... | 1,760,374,313.641871 | ||
https://hackaday.com/2018/06/29/linux-fu-scripting-for-binary-files/ | Linux Fu: Scripting For Binary Files | Al Williams | [
"Featured",
"Linux Hacks",
"Skills",
"Slider"
] | [
"awk",
"bash",
"binary files",
"linux",
"Linux Fu",
"t2b",
"xxd"
] | If you ever need to write a binary file from a traditional language like C, it isn’t all that hard to do. About the worst thing you might have to deal with is attempts to fake line endings across Windows and Linux, but there’s usually a way to turn that off if it is on by default. However, if you are using some type of... | 31 | 15 | [
{
"comment_id": "4666682",
"author": "Jerry",
"timestamp": "2018-06-29T14:09:20",
"content": "TUX links in bookmarks",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4666713",
"author": "Ostracus",
"timestamp": "2018-06-29T14:25:10",
"content": "“Thi... | 1,760,374,313.577127 | ||
https://hackaday.com/2018/06/29/a-lidar-scanner-build-in-glorious-detail/ | A LIDAR Scanner Build In Glorious Detail | Lewin Day | [
"classic hacks",
"Robots Hacks"
] | [
"3d scanner",
"lidar",
"lidar scanner",
"room scanner"
] | LIDAR is a very exciting technology that is only just now starting to become accessible to the DIY market. Think radar, but with lasers. There’s a few different modules starting to pop up for just a few hundred dollars. But what is one to do with a LIDAR module?
Well, [David] decided to build a room scanner with his Ga... | 15 | 8 | [
{
"comment_id": "4666328",
"author": "jacques",
"timestamp": "2018-06-29T12:34:47",
"content": "Beautiful maker video, but why not using rotating mirrors, at least on one axis ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4666805",
"author": "Entr... | 1,760,374,313.502907 | ||
https://hackaday.com/2018/06/29/box-joint-jig-does-barcodes/ | Box Joint Jig Does Barcodes | Brian Benchoff | [
"Tool Hacks"
] | [
"barcode",
"box joint",
"table saw",
"wood",
"woodworking"
] | Woodworking is the fine art of turning dead tree carcasses into precision instruments. That means breaking out the saws and chisels and making many, many precise cuts over and over. If you have a table saw, every problem becomes a piece of wood, or something like that, and we’ve seen some fantastic jigs that make these... | 14 | 8 | [
{
"comment_id": "4665711",
"author": "dave",
"timestamp": "2018-06-29T08:59:26",
"content": "Just ignoring the pure geeky awesomeness of a barcode box joint.The video is fantastic.The timing to music is fantastic.And I didn’t see it coming either because didn’t read all the article that spoiled the ... | 1,760,374,313.735399 | ||
https://hackaday.com/2018/06/28/carousel-of-cereals-mixes-and-matches-custom-breakfast-blends/ | Carousel Of Cereals Mixes And Matches Custom Breakfast Blends | Dan Maloney | [
"cooking hacks"
] | [
"breakfast",
"carousel",
"cereal",
"dispemser",
"ESP32",
"kibble",
"milk",
"peristaltic",
"stepper"
] | There are those who reckon the humble bowl of breakfast cereal to be the height of culinary achievement. Look askance if you must, but cereal junkies are a thing, and they have a point. The magic comes not from just filling a bowl and adding a splash of milk, but by knowing which cereals to mix together.
Who needs all ... | 10 | 7 | [
{
"comment_id": "4665291",
"author": "Sheldon",
"timestamp": "2018-06-29T06:19:21",
"content": "This is why I come to this site…",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4665352",
"author": "Ostracus",
"timestamp": "2018-06-29T06:43:42",
"con... | 1,760,374,313.687216 | ||
https://hackaday.com/2018/06/28/vlogging-with-vintage-1980s-equipment/ | Vlogging With Vintage 1980s Equipment | Adam Fabio | [
"Video Hacks"
] | [
"retro",
"VHS",
"video",
"vlogging"
] | [Dan Mace] decided to try vlogging 1980s style. To do this,
he built Pram Cam — a one-man mobile video recording setup using vintage gear
. [Dan] is a YouTuber from Cape Town, South Africa. His goal for this project was to motivate people to get out there and make videos. Smartphones, action cams, and modern video equi... | 8 | 6 | [
{
"comment_id": "4664800",
"author": "jafinch78",
"timestamp": "2018-06-29T02:22:58",
"content": "Creative awesomeness for inspiration…, a modern diary with video and 80’s equipment that can be found even if the shit’s expensive. I picked up a 486 with a VGA monitor about a week ago and didn’t real... | 1,760,374,313.781026 | ||
https://hackaday.com/2018/06/28/this-year-badges-get-blockchains/ | This Year, Badges Get Blockchains | Brian Benchoff | [
"hardware"
] | [
"badge",
"badgelife",
"blockchain",
"crypto"
] | This year’s hottest new advance in electronics comes through wearable badges. You can’t have failed to notice another technology that’s getting really hot. It’s the blockchain. What is a blockchain? It’s a linked list where every item in the list contains a cryptographic hash of the previous item in the list. What is a... | 11 | 6 | [
{
"comment_id": "4664411",
"author": "Perry",
"timestamp": "2018-06-28T23:16:36",
"content": "Thats “OK” Cool.But ” I know ” Prototype.” ”But it does look like it uses a lot of power.Didn’t really get a lot of info off the video.But anything new is Cool.You people did put a lot of work into it I ca... | 1,760,374,313.843595 | ||
https://hackaday.com/2018/06/28/a-lightgun-for-lcds-thanks-to-maths/ | A Lightgun For LCDs – Thanks To Maths! | Lewin Day | [
"Games"
] | [
"duck hunt",
"light gun",
"nes"
] | Light guns were a fun way to learn to shoot things on consoles, enjoying their heyday in the 80s and 90s. The original designs largely relied on the unique characteristics of CRT televisions and the timing involved in the drawing of their frames. Unfortunately, due to a variety of reasons (dependent on the exact techni... | 47 | 18 | [
{
"comment_id": "4664156",
"author": "megachromulent",
"timestamp": "2018-06-28T21:03:55",
"content": "I think it’s funny how using the Queens English makes you sound like a 1st grader with a bad grammar. :)I think I shall go to hospital and study maths.",
"parent_id": null,
"depth": 1,
... | 1,760,374,314.440455 | ||
https://hackaday.com/2018/06/28/simple-quadcopter-testbed-clears-the-air-for-easy-algorithm-development/ | Simple Quadcopter Testbed Clears The Air For Easy Algorithm Development | Ben James | [
"drone hacks",
"Software Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"algorithm",
"ardupilot",
"drone",
"lidar",
"localisation",
"mapping",
"quadcopter",
"ros",
"testbed"
] | We don’t have to tell you that drones are all the rage. But while new commercial models are being released all the time, and new parts get released for the makers, the basic technology used in the hardware hasn’t changed in the last few years. Sure, we’ve added more sensors, increased computing power, and improved the ... | 1 | 1 | [
{
"comment_id": "4663872",
"author": "Ostracus",
"timestamp": "2018-06-28T19:01:52",
"content": "“We don’t have to tell you that drones are all the rage.”https://us-east-1.tchyn.io/snopes-production/uploads/images/photos/technology/graphics/drone.jpgRage…somewhere.",
"parent_id": null,
"dept... | 1,760,374,314.35166 | ||
https://hackaday.com/2018/06/28/rachel-wong-keynote-growing-eyeballs-in-the-lab-and-building-wearables-that-enhance-experience/ | Rachel Wong Keynote: Growing Eyeballs In The Lab And Building Wearables That Enhance Experience | Mike Szczys | [
"cons",
"Hackaday Columns",
"Medical Hacks",
"Wearable Hacks"
] | [
"eye tissue",
"Hackaday Belgrade 2018",
"keynote",
"Rachel Wong",
"research",
"resin casting",
"Scaffold",
"stem cells",
"Wearables"
] | The keynote speaker at the Hackaday Belgrade conference was Rachel “Konichiwakitty” Wong presenting
Jack of All Trades, Master of One
. Her story is one that will be very familiar to anyone in the Hackaday community. A high achiever in her field of study, Rachel has learned the joy of limiting how much energy she allow... | 18 | 5 | [
{
"comment_id": "4663879",
"author": "Ostracus",
"timestamp": "2018-06-28T19:04:51",
"content": "“Her area of research involves growing eye tissue in the lab and its use is already in clinical testing.”Still a reach for a complete organ as complicated as an eyeball.",
"parent_id": null,
"dep... | 1,760,374,314.721719 | ||
https://hackaday.com/2018/06/28/next-weekend-beginner-solar-workshop/ | Next Weekend: Beginner Solar Workshop | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"meetup",
"noisebridge",
"solar",
"solar workshop",
"workshop"
] | Next week, Hackaday is hosting a workshop for all you hackers ready to harness the power of the sun. We’re doing a
Beginner Solar Workshop at Noisebridge in San Francisco
. You’re invited to join us on July 7th, we’ll provide the soldering irons.
The instructor for this workshop will be [Matt Arcidy], avid Hackaday rea... | 5 | 2 | [
{
"comment_id": "4663542",
"author": "Ostracus",
"timestamp": "2018-06-28T16:36:42",
"content": "“Next week, Hackaday is hosting a workshop for all you hackers ready to harness the power of the sun.”https://en.wikipedia.org/wiki/Solar-pumped_laserBecause everything’s good with a laser.",
"parent... | 1,760,374,314.314258 | ||
https://hackaday.com/2018/06/28/3d-printed-tourniquets-are-not-a-cinch/ | 3D Printed Tourniquets Are Not A Cinch | Brian McEvoy | [
"3d Printer hacks",
"Medical Hacks"
] | [
"3d",
"3d printed",
"3d printer",
"FIELD",
"Gaza",
"medic",
"medical",
"medicine",
"save",
"tourniquet"
] | Saying that something is a cinch is a way of saying that it is easy. Modeling a thin handle with a hole through the middle seems like it would be a simple task accomplishable in a single afternoon and that includes the time to print a copy or two. We are here to tell you that is only the first task when
making tourniqu... | 32 | 8 | [
{
"comment_id": "4663585",
"author": "BillyGatesGator",
"timestamp": "2018-06-28T16:53:55",
"content": "These are supplies every American Student should have!Tourniquet, Bullet Shield, Bandages, CPR Training Manual, First Aid Manual.Lets replace the 3R’s with “Resuscitation, Responding, and Repectin... | 1,760,374,315.234829 | ||
https://hackaday.com/2018/06/28/move-aside-mercury-measuring-temperature-accurately-with-an-rtd/ | Move Aside Mercury: Measuring Temperature Accurately With An RTD | Sean Boyce | [
"Engineering",
"Featured",
"how-to",
"Tool Hacks"
] | [
"ESP8266",
"MAX31865",
"NodeMCU",
"Resistance Temperature Detector",
"RTD",
"sensing",
"sensors",
"temperature probe",
"wheatstone bridge"
] | Temperature is one of the most frequently measured physical quantities, and features prominently in many of our projects, from weather stations to 3D printers. Most commonly we’ll see thermistors, thermocouples, infrared sensors, or a dedicated IC used to measure temperature. It’s even possible to use only an
ordinary ... | 40 | 10 | [
{
"comment_id": "4663339",
"author": "dave",
"timestamp": "2018-06-28T14:14:21",
"content": "This may be a dumb question for someone that knows the answer.Why can you not take a 2wire RTD and wire it up with 4 wires.Then you’re measuring the resistance of the wire pairs to the RTD at each side and s... | 1,760,374,314.660795 | ||
https://hackaday.com/2018/06/28/tiny-printers-get-color-mixing/ | Tiny Printers Get Color Mixing | Brian Benchoff | [
"3d Printer hacks",
"cons"
] | [
"East Coast RepRap Festival",
"ERRF",
"ERRF 18"
] | Last weekend was the inaugural East Coast RepRap Festival in beautiful Bel Air, Maryland. Like it’s related con, the Midwest RepRap Festival, ERRF is held in the middle of nowhere, surrounded by farms, and is filled with only people who want to be there. It is the anti-Maker Faire; only the people who have cool stuff t... | 8 | 4 | [
{
"comment_id": "4662989",
"author": "Gregg Eshelman",
"timestamp": "2018-06-28T11:14:46",
"content": "So a Northwest RepRap Festival should be held somewhere like Ontario, Oregon to keep with the middle of nowhere theme?",
"parent_id": null,
"depth": 1,
"replies": [
{
"com... | 1,760,374,314.494552 | ||
https://hackaday.com/2018/06/28/sunny-custom-keyboard-illuminates-the-past/ | Sunny Custom Keyboard Illuminates The Past | Kristina Panos | [
"computer hacks",
"Misc Hacks"
] | [
"function keys for days",
"keyboard",
"octothorpe",
"sun",
"teensy 2.0"
] | Ever wonder why keyboard number pads and telephone dials have reversed layouts? Theories abound, but the most plausible one is that,
shrug
, it just happened that way. And now we’re stuck with it.
Well, that answer’s not good enough for [Jesse], so
he punched up his own keyboard design that combines the golden years of... | 35 | 12 | [
{
"comment_id": "4662646",
"author": "AmEv",
"timestamp": "2018-06-28T08:12:17",
"content": "The answer I’ve heard dates back to the rotary dial phone days, where 0 was, technically, 10, and you couldn’t send 0 pulses to the switchboard. Hence, why phone dial pads had 9 near-ish 0.As for computers a... | 1,760,374,314.914073 | ||
https://hackaday.com/2018/06/27/raspberry-pi-tracks-starter-fermentation-for-optimized-sourdough/ | Raspberry Pi Tracks Starter Fermentation For Optimized Sourdough | Dan Maloney | [
"cooking hacks"
] | [
"bread",
"fermentation",
"image analysis",
"PiCam",
"raspberry pi",
"sourdough",
"starter",
"yeast"
] | Those of you who’ve never had a real sourdough have never had real bread. Good food fights back a little when you eat it, and a proper sourdough, with its crispy crust and tangy center, certainly fits the bill. Sourdough aficionados, your humble writer included, all have recipes that we pretend are ancient family secre... | 8 | 5 | [
{
"comment_id": "4662621",
"author": "Truth",
"timestamp": "2018-06-28T07:44:52",
"content": "I’d guess that a large part of the power usage is for the lamp, which could be changing what is being measured. It might be an idea to use a GPIO pin on the RPi with a SSR to turn the light on 1-5 seconds b... | 1,760,374,314.763382 | ||
https://hackaday.com/2018/06/27/literary-camouflage-for-your-router/ | Literary Camouflage For Your Router | Brian McEvoy | [
"home hacks"
] | [
"camouflage",
"hidden",
"hide",
"router",
"secret"
] | What is suspicious about the books in the image above? Is it that there is no bookend? How about the radio waves pouring out of them? [Clay Weiland] does not like the way a bare router looks in the living room, but he appreciates the coverage gained by putting it in the middle of his house. He added a layer of home dec... | 39 | 13 | [
{
"comment_id": "4662065",
"author": "foxpup",
"timestamp": "2018-06-28T02:40:47",
"content": "These books look way to interesting. One would do best to choose titles that no-one in their right mind would dare read like that old sociology textbook you had to buy for college, ExCel ’97 for Dummies, ... | 1,760,374,314.843357 | ||
https://hackaday.com/2018/06/27/a-different-use-for-microwave-oven-melting-aluminum/ | A Different Use For Microwave Oven: Melting Aluminum | Steven Dufresne | [
"Misc Hacks"
] | [
"foundry",
"microwave oven",
"oven",
"smelting"
] | Microwave ovens are a treasure trove of useful parts: transformers, an HV capacitor, a piezo speaker, and a high torque motor, to name just a few. In a new twist, [Rulof Maker] strips all that out and uses just the metal case
to make a furnace for melting aluminum, copper and bronze
.
His heat source is a quartet of 11... | 16 | 8 | [
{
"comment_id": "4661789",
"author": "jafinch78",
"timestamp": "2018-06-27T23:58:41",
"content": "Wow, neat novel project and video. Never thought about using those elements and I have some from a 29 cents Goodwill Store toaster oven I’m going to use as a reflow oven. When I first saw this I was t... | 1,760,374,315.288907 | ||
https://hackaday.com/2018/06/27/pool-ball-return-system-chalked-up-to-ingenuity/ | Pool Ball Return System Chalked Up To Ingenuity | Kristina Panos | [
"3d Printer hacks"
] | [
"abs",
"billiards",
"dowel",
"pool table"
] | Do you play pool? If so, you probably take the automatic ball return systems in bar and billiard hall tables for granted. [Roger Makes] was tired of walking around his home table to collect the balls every time he wanted to play,
so he designed a time-saving ball return system
.
Instead of falling into the little nette... | 12 | 6 | [
{
"comment_id": "4661345",
"author": "Norm Ross",
"timestamp": "2018-06-27T20:23:21",
"content": "Was hoping the dowels were actually pool cues.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4661399",
"author": "Ren",
"timestamp": "2018-06-2... | 1,760,374,315.164085 | ||
https://hackaday.com/2018/06/27/improving-indoor-navigation-of-robots-with-ir/ | Improving Indoor Navigation Of Robots With IR | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"infrared",
"ir",
"qr code"
] | If the booths at CES are to be believed, the future is full of home robots: everything from humanoid robots on wheels to Alexas duct taped to a Roomba. Back in reality, home robots really aren’t a thing yet. There’s an obvious reason for this: getting around a house is hard. A robot might actually need legs to get up a... | 20 | 9 | [
{
"comment_id": "4661209",
"author": "Andrew Hasara",
"timestamp": "2018-06-27T19:18:49",
"content": "So, which printers currently support printing in IR Only inks (Including ones where you can hack an inkjet cartridge) and how how much does it cost for the ink?",
"parent_id": null,
"depth":... | 1,760,374,315.346851 | ||
https://hackaday.com/2018/06/27/after-the-sun-set-on-san-mateo-led-takes-over-hackadays-bamf-meetup/ | After The Sun Set On San Mateo, LED Takes Over Hackaday’s BAMF Meetup | Roger Cheng | [
"cons",
"Hackaday Columns",
"LED Hacks",
"Robots Hacks"
] | [
"badge hacking",
"bamf",
"Bay Area maker faire",
"bay area maker faire 2018",
"cons",
"led hacks",
"maker faire",
"neopixel",
"persistence of vision",
"POV display",
"RGB LED matrix",
"tinycircuits"
] | After this Spring’s Bay Area Maker Faire closed down for Saturday night and kicked everybody out, the fun moved on to O’Neill’s Irish Pub where Hackaday and Tindie held our fifth annual meetup for fellow Maker Faire attendees. How do we find like-minded hackers in a crowded bar? It’s easy: look for tables lit by LEDs a... | 5 | 2 | [
{
"comment_id": "4661003",
"author": "Ren",
"timestamp": "2018-06-27T17:42:51",
"content": "“ok for tables lit by LEDs and say hello.”Sometimes when I’d attend the local monthly “Lunch with Linux”, I’d bring a Beanie Baby type of penguin and put it on the table to identify the “right” crowd of geeks... | 1,760,374,316.11219 | ||
https://hackaday.com/2018/06/27/esp8266-home-computer-hides-unexpected-gems/ | ESP8266 Home Computer Hides Unexpected Gems | Kerry Scharfglass | [
"computer hacks",
"hardware",
"Retrocomputing"
] | [
"basic",
"composite video",
"ESP8266",
"home computer",
"NES cartridge"
] | With a BASIC interpreter and free run throughout their hardware, home computers like the ZX Spectrum and Commodore 64 used to be a pervasive way to light that hacker fire. With the advent of cheap single board computers like the Raspberry Pi, devices purpose built to emulate these classic systems have become fairly com... | 71 | 13 | [
{
"comment_id": "4660745",
"author": "dynamodan",
"timestamp": "2018-06-27T15:46:17",
"content": "Please, please let BASIC die.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4660780",
"author": "Josh Malone",
"timestamp": "2018-06-27T16:08:5... | 1,760,374,315.683548 | ||
https://hackaday.com/2018/06/27/keep-it-close-a-private-git-server-crash-course/ | Keep It Close: A Private Git Server Crash Course | Tom Nardi | [
"Featured",
"Interest",
"Raspberry Pi",
"Slider",
"Software Development",
"Software Hacks"
] | [
"Git",
"Git server",
"raspberry pi",
"ssh",
"version control"
] | At this point, everyone has already heard that Microsoft is buying GitHub. Acquisitions of this scale take time, but most expect everything to be official by 2019.
The general opinion online seems to be one of unease
, and rightfully so. Even if we ignore Microsoft’s history of shady practices, there’s always an elemen... | 65 | 21 | [
{
"comment_id": "4660592",
"author": "Darren",
"timestamp": "2018-06-27T14:07:40",
"content": "Fantastic, lose all your data when the Raspberry Pi inevitably corrupts the SD card.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4660604",
"author": "Ad... | 1,760,374,315.973767 | ||
https://hackaday.com/2018/06/25/makerbot-printer-reborn-as-pcb-engraver/ | Makerbot Printer Reborn As PCB Engraver | Steven Dufresne | [
"cnc hacks"
] | [
"3d printer",
"cnc",
"cnc conversion",
"makerbot replicator",
"PCB engraver"
] | Makerbot 3D printers were among the first to hit the market, so it makes sense that old and broken ones now litter the shelves of hackerspaces and home workshops alike. Rather than throw his one out, [Foaly] saw an opportunity to convert it to some sort of CNC machine. Given its lack of inherent rigidity and relatively... | 14 | 6 | [
{
"comment_id": "4654881",
"author": "TGT",
"timestamp": "2018-06-25T23:40:34",
"content": "3d printer to CNC conversion? A 3d printer is a CNC. I guess a lot of the times CNC implies “mill,” though. It’s not like a lot of people would describe an inkjet printer as a CNC.",
"parent_id": null,
... | 1,760,374,315.739891 | ||
https://hackaday.com/2018/06/25/apple-coin-bank-plants-the-seed-of-saving/ | Apple Coin Bank Plants The Seed Of Saving | Kristina Panos | [
"3d Printer hacks"
] | [
"3d printing",
"bank",
"Hoeckens linkage",
"lever switch",
"piggy bank"
] | Consider the piggy bank. Behind that innocent, docile expression is a capitalistic metaphor waiting to ruin your fond memories of saving for that BMX bike or whatever else it was that drove home the value of a dollar. As fun as it is to drop a coin in a slot, the act of saving your pennies and learning financial respon... | 14 | 7 | [
{
"comment_id": "4654446",
"author": "bty",
"timestamp": "2018-06-25T20:10:57",
"content": "a metal detecting circuit might be a good idea here instead of the mechanical switch that needs some minimum mass to trigger it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,315.565411 | ||
https://hackaday.com/2018/06/25/adding-smarts-to-dumb-brushed-motors/ | Adding Smarts To Dumb Brushed Motors | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"brushed motor",
"motor",
"robotics"
] | A big part of the Hackaday Prize this year is robotics modules, and already we’ve seen a lot of projects adding intelligence to motors. Whether that’s current sensing, RPM feedback, PID control, or adding an encoder, motors are getting smart. Usually, though, we’re talking about fancy brushless motors or steppers. The ... | 12 | 5 | [
{
"comment_id": "4654346",
"author": "Ostracus",
"timestamp": "2018-06-25T18:50:04",
"content": "“You know, the motors you can buy for pennies. ” Then add the cost of smarts. ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4654587",
"author": "ID"... | 1,760,374,315.789249 | ||
https://hackaday.com/2018/06/25/a-real-time-data-compression-technique/ | A Real Time Data Compression Technique | Al Williams | [
"Hackaday Columns",
"Slider",
"Software Hacks"
] | [
"c++",
"compression",
"run length encoding",
"xor"
] | With more and more embedded systems being connected, sending state information from one machine to another has become more common. However, sending large packets of data around on the network can be bad both for bandwidth consumption and for power usage. Sure, if you are talking between two PCs connected with a gigabit... | 41 | 18 | [
{
"comment_id": "4654244",
"author": "Ostracus",
"timestamp": "2018-06-25T17:16:07",
"content": "“Most of the data doesn’t change frequently. ”Lossless, vs lossy.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4654295",
"author": "sasodoma",
... | 1,760,374,316.058935 | ||
https://hackaday.com/2018/06/25/dust-to-dust-and-jello-to-jello-the-journey-of-a-very-strange-knife/ | Dust To Dust And Jello To Jello: The Journey Of A Very Strange Knife | Tucker Ervin | [
"Misc Hacks",
"Tool Hacks"
] | [
"food",
"jello",
"knife"
] | How do you feel about Jello? It’s alright tasting, but it’s much more about how jiggly it gets. Nobody — probably — would eat Jello if it was a hard candy. It would quickly become restricted to the bowl of strawberry candies that Grandma always seems to have. How do you feel about knives? We’re on Hackaday. Most everyb... | 24 | 14 | [
{
"comment_id": "4654121",
"author": "Jerry",
"timestamp": "2018-06-25T15:43:39",
"content": "Pretty sharp..",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4654271",
"author": "Dissy",
"timestamp": "2018-06-25T17:38:17",
"content": "Y... | 1,760,374,316.173501 | ||
https://hackaday.com/2018/06/25/lost-in-space-gets-3d-printing-right/ | Lost In Space Gets 3D Printing Right | Tom Nardi | [
"3d Printer hacks",
"Featured",
"Interest",
"Original Art"
] | [
"3d printing",
"Hacking in the media",
"lost in space",
"netflix",
"sci-fi",
"science fiction",
"tv"
] | When it has become so common for movies and television to hyper-sensationalize engineering, and to just plain get things wrong, here’s a breath of fresh air. There’s a Sci-Fi show out right now that wove 3D printing into the story line in a way that is correct, unforced, and a fitting complement to that fictional world... | 100 | 22 | [
{
"comment_id": "4653968",
"author": "Andrea Campanella",
"timestamp": "2018-06-25T14:04:59",
"content": "I mean , the series is a soap opera with a terrible plot and unjustified drama but at least the tech is great.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_... | 1,760,374,316.313452 | ||
https://hackaday.com/2018/06/25/sifive-releases-smaller-lower-power-risc-v-cores/ | SiFive Releases Smaller, Lower Power RISC-V Cores | Brian Benchoff | [
"Microcontrollers",
"News"
] | [
"HiFive 1",
"risc",
"RISC-V",
"SiFive"
] | Today, SiFive has released two new cores designed for the lower end of computing. This adds to the company’s existing portfolio of microcontrollers and SoCs based on the Open RISC-V ISA. Over the last two years, SiFive has introduced a number of cores based on the RISC-V ISA, an Open Architecture ISA that gives anyone ... | 35 | 6 | [
{
"comment_id": "4653975",
"author": "mac012345",
"timestamp": "2018-06-25T14:08:10",
"content": "Does the interrupt latency take register saving into account for risc-v core?As there is 32 registers and no multiple load/store instruction, it means that if it’s not done by hardware you can have up t... | 1,760,374,316.387857 | ||
https://hackaday.com/2018/06/26/ole-kirk-kristiansen-and-the-lego-frontier/ | LEGO: The Kristiansen Legocy | Lauren Faris | [
"Biography",
"Featured",
"Original Art"
] | [
"biography",
"lego",
"Lego NXT"
] | Whether you are young, old, or a time traveling Vulcan, something unites all of us globally: the innocent LEGO blocks that encourage creativity over spoon-fed entertainment. Have you noticed the excess of zombified children and adults alike drooling over their collective screens lately? Back in the ancient times, all a... | 75 | 30 | [
{
"comment_id": "4657743",
"author": "Antron Argaiv",
"timestamp": "2018-06-26T17:14:24",
"content": "“…get nostalgic about the good ole days…”I see what you did there :-)(I had LEGOs in the late 50’s, because we lived in Belgium…wish I had saved them)",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,316.682432 | ||
https://hackaday.com/2018/06/26/pic-powered-picobat-picks-up-pulsed-power/ | PIC Powered PicoBat Picks Up Pulsed Power | Kerry Scharfglass | [
"Microcontrollers",
"Misc Hacks"
] | [
"bat",
"clock",
"Lessons in Electric Circuits",
"PIC microcontroller"
] | In 2012, [Bruno] wanted to detect some bats. Detect bats? Some varieties of bat (primarily the descriptively named “microbats”) locate themselves and their prey in space using echolocation, the same way your first robot probably did. The bat emits chirps from their adorably tiny larynx the same way a human uses its voc... | 15 | 10 | [
{
"comment_id": "4657498",
"author": "Barnaby Relph",
"timestamp": "2018-06-26T15:46:49",
"content": "Very clever use of a micro! If you want to hear more on EchoLocation, the BBC’s In Our Time programme did an episode on it very recently:https://www.bbc.co.uk/programmes/b0b6hrl3",
"parent_id": ... | 1,760,374,316.443439 | ||
https://hackaday.com/2018/06/26/putting-crimpers-to-the-test-how-good-are-our-crimp-tools/ | Putting Crimpers To The Test: How Good Are Our Crimp Tools? | Jenny List | [
"Featured",
"Interest",
"Tool Hacks"
] | [
"best crimp tool",
"characterization",
"crimp",
"crimp connectors",
"crimp tool",
"how strong is a crimp connector",
"testing",
"worst crimp tool"
] | Almost every project of mine from the last quarter century, if it has contained any wiring, has featured somewhere at least one crimp connector. There are a multiplicity of different types of crimp, but in this case I am referring to the ubiquitous variety with a red, blue, or yellow coloured plastic sleeve denoting th... | 90 | 37 | [
{
"comment_id": "4657211",
"author": "Ostracus",
"timestamp": "2018-06-26T14:09:43",
"content": "Next up, an article on the different type of crimp ends. Advantages, disadvantages.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4657231",
"author": "Ren",
... | 1,760,374,316.889434 | ||
https://hackaday.com/2018/06/26/no-caffeine-no-problem-a-hand-soldered-chip-scale-package/ | No Caffeine, No Problem: A Hand-Soldered Chip-Scale Package | Dan Maloney | [
"Microcontrollers",
"Misc Hacks"
] | [
"ATtiny20",
"bga",
"Chip Scale Package",
"soldering",
"wlcsp"
] | It’s said that the electronic devices we use on a daily basis, particularly cell phones, could be so much smaller than they are if only the humans they’re designed for weren’t so darn big and clumsy. That’s only part of the story — battery technology has a lot to do with overall device size — but it’s true that chips c... | 47 | 19 | [
{
"comment_id": "4656664",
"author": "Alex",
"timestamp": "2018-06-26T11:12:28",
"content": "I’m impressed!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4656752",
"author": "Mike Massen",
"timestamp": "2018-06-26T11:35:15",
"content... | 1,760,374,316.764309 | ||
https://hackaday.com/2018/06/26/everything-you-didnt-know-you-were-missing-about-bias-tees/ | Everything You Didn’t Know You Were Missing About Bias Tees | Dan Maloney | [
"Radio Hacks"
] | [
"bias",
"bias tee",
"capacitance",
"dc",
"diplexer",
"feedline",
"inductor",
"injector",
"LNA",
"RF"
] | Do you need a bias tee? If you want to put a DC voltage on top of an RF signal, chances are that you do. But what exactly are bias tees, and how do they work?
If that’s your question, [W2AEW] has an answer for you with
this informative video on the basics of bias tees
. A bias tee allows a DC bias to be laid over an RF... | 23 | 6 | [
{
"comment_id": "4656388",
"author": "BT",
"timestamp": "2018-06-26T09:35:15",
"content": "Oh why does everything have to be by video these days? I much prefer to scroll through a written article with diagrams at my own pace and picking out the bits that are relevant to me and my knowledge/expertise... | 1,760,374,317.061106 | ||
https://hackaday.com/2018/06/25/the-hills-are-alive-with-the-sound-of-train-whistles/ | The Hills Are Alive With The Sound Of Train Whistles | Adam Fabio | [
"Raspberry Pi"
] | [
"britain",
"England",
"raspberry pi",
"whistle"
] | In Northern England, the hills used to be home to steam trains. The trains have long faded into history, but the
sound of their whistle is making a brief return
. Artist [Steve Messam] has created “Whistle” as part of The Great Exhibition of the North. [Steve] doesn’t cover the installation
on his website yet
, but the... | 19 | 8 | [
{
"comment_id": "4655841",
"author": "Voja Antonic",
"timestamp": "2018-06-26T05:13:44",
"content": "I like the headline",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4656045",
"author": "RoGeorge",
"timestamp": "2018-06-26T06:47:15",
... | 1,760,374,318.788211 | ||
https://hackaday.com/2018/06/25/conquering-the-earth-with-cron/ | Conquering The Earth With Cron | Tom Nardi | [
"Software Hacks",
"Space"
] | [
"cron",
"ffmpeg",
"GOES-R",
"python",
"satellite"
] | The GOES-R series of Earth observation satellites are the latest and greatest NASA has to offer. As you might expect, part of the GOES-R job description is imaging Earth at high-resolution, but they also feature real-time lighting monitoring as well as enhanced solar flare and space weather capabilities. Four of these ... | 15 | 8 | [
{
"comment_id": "4655360",
"author": "PirateLabs",
"timestamp": "2018-06-26T02:12:44",
"content": "Nice.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4655551",
"author": "LaserGuidedBrick",
"timestamp": "2018-06-26T03:19:05",
"content": "GOES-R t... | 1,760,374,318.846964 | ||
https://hackaday.com/2018/06/27/a-sneak-peek-at-the-ts100-soldering-irons-younger-sibling/ | A Sneak Peek At The TS100 Soldering Iron’s Younger Sibling | Jenny List | [
"Tool Hacks"
] | [
"soldering iron",
"ts100",
"TS80"
] | Many readers will be familiar with the TS100 soldering iron, a lightweight and powerful tool with an integrated temperature controller in its handle based upon an STM32 microcontroller. As an iron it’s a joy to use, it has hackable code, and it has become a firm favourite within our community. There have been rumours o... | 38 | 10 | [
{
"comment_id": "4660260",
"author": "Daniel",
"timestamp": "2018-06-27T11:15:21",
"content": "Looking forward to this. I was putting of buying the TS100 since I found no “good” way to use it with USB-C without rolling my own USB-C PD breakout board.Powerbanks delivering 60W via USB-C are a thing no... | 1,760,374,318.921118 | ||
https://hackaday.com/2018/06/27/ken-shirriff-found-butterflies-in-his-op-amp/ | Ken Shirriff Found Butterflies In His Op-Amp | Steven Dufresne | [
"hardware",
"Misc Hacks",
"Parts"
] | [
"ic",
"integrated circuit",
"jfet",
"ken shirriff",
"op-amp",
"tl084"
] | In 1976, Texas Instruments came out with the TL084, a four JFET op-amp IC each with similar circuitry to Fairchild’s very popular single op-amp 741. But even though the 741 has been covered in detailed, when [Ken Shirriff] focused his microscope on a TL084,
he found some very interesting things
.
To avoid using acid to... | 8 | 3 | [
{
"comment_id": "4660478",
"author": "Ostracus",
"timestamp": "2018-06-27T13:01:21",
"content": "Fun part of electronic where layout is as important as design.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4660644",
"author": "Martin",
"time... | 1,760,374,319.3161 | ||
https://hackaday.com/2018/06/26/never-go-to-the-office-breakroom-again/ | Never Go To The Office Breakroom Again | Bryan Cockfield | [
"home hacks"
] | [
"dispenser",
"drink",
"load cell",
"peristaltic",
"pump",
"save",
"time"
] | If you’re tired of having to make small talk with random people in the office break room every time you need a cup of coffee, or simply don’t have the time to get up to pour yourself some more, it would be nice if there was a way you could have your cup filled for you, right at your desk.
With this new drink dispenser
... | 38 | 12 | [
{
"comment_id": "4659398",
"author": "luke",
"timestamp": "2018-06-27T05:48:55",
"content": "just, like, drink out of the bottle instead?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4659807",
"author": "electrobob",
"timestamp": "2018-06-2... | 1,760,374,319.052692 | ||
https://hackaday.com/2018/06/26/wired-and-ibm-explain-quantum-computing-to-students-from-grade-school-to-grad-school/ | Wired And IBM Explain Quantum Computing To Students From Grade School To Grad School | Al Williams | [
"computer hacks"
] | [
"Computing",
"ibm",
"quantum computer",
"quantum computing"
] | Have you ever heard the old axiom that if you want to design a simple system, ask yourself if your grandmother could use it? Maybe that was on Wired’s mind because they asked a quantum computing expert — particularly IBM’s [Dr. Talia Gershon] — to explain
what exactly quantum computing is at 5 levels
. In the video the... | 10 | 4 | [
{
"comment_id": "4659162",
"author": "Robb",
"timestamp": "2018-06-27T05:50:24",
"content": "Wow. Well done Dr. Gershon!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4659616",
"author": "Anatoly (@anverxt)",
"timestamp": "2018-06-27T09:00:24",
"... | 1,760,374,319.269509 | ||
https://hackaday.com/2018/06/26/hackers-want-cambridge-dictionary-to-change-their-definition/ | Hackers Want Cambridge Dictionary To Change Their Definition | Jenny List | [
"Interest",
"News",
"Rants",
"Slider"
] | [
"dictionaries",
"dictionary",
"hacker",
"words"
] | Maybe it’s the silly season of high summer, or maybe a PR bunny at a cybersecurity company has simply hit the jackpot with a story syndicated by the Press Association, but the non-tech media has been earnestly talking about
a call upon the Cambridge Dictionary to remove the word “
illegal
” from their definition of “Ha... | 83 | 23 | [
{
"comment_id": "4658572",
"author": "Barry Woods",
"timestamp": "2018-06-26T23:09:56",
"content": "Kinda like how “wardriving” became people driving around trying to hack wep and wpa networks…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4660143",
... | 1,760,374,319.221201 | ||
https://hackaday.com/2018/06/26/building-a-mini-electric-bike-in-between-projects/ | Building A Mini Electric Bike In Between Projects | Steven Dufresne | [
"Transportation Hacks"
] | [
"3d printing",
"cnc",
"diy electric bike",
"james bruton"
] | What do you do when you suddenly find you have some free time because you’re waiting on parts or have run up against other delays for your current project? If you’re [James Bruton], you
design and build a mini electric bike
.
Being a prolific builder, [James] already had the parts he needed. Some of them were left over... | 13 | 4 | [
{
"comment_id": "4658171",
"author": "Doug Leppard",
"timestamp": "2018-06-26T20:05:47",
"content": "When I am between projects is dangerous, I then start another one that at times I cannot complete. I commend him is completing the bike.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,319.101786 | ||
https://hackaday.com/2018/06/26/controlling-robotics-visually/ | Controlling Robotics Visually | Brian Benchoff | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"robot",
"visual programming"
] | The world — and the Hackaday Prize — is filled with educational robots. These are small, wheeled robots loaded up with sensors, actuators, a few motor drivers, and some sort of system that is easy to program. The idea behind these educational robots is to give students an easy-to-use platform to test out code, learn in... | 18 | 11 | [
{
"comment_id": "4657980",
"author": "Hatenull",
"timestamp": "2018-06-26T18:46:31",
"content": "Reminds me a bit of the Scratch GUI. Which, at least with my kids, is a good thing.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4658644",
"author": "J... | 1,760,374,318.980336 | ||
https://hackaday.com/2018/06/24/modular-robotics-that-can-make-themselves-into-anything/ | Modular Robotics That Can Make Themselves Into Anything | Brian Benchoff | [
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"modular robotics",
"robotics"
] | The greatest challenge of robotics is autonomy. Usually, this means cars that can drive themselves, a robotic vacuum that won’t drive down the stairs, or a rover on Mars that can drive on Mars.
This project is nothing like that
. Instead of building a robot with a single shape, this robot is made out of several modules... | 9 | 6 | [
{
"comment_id": "4651452",
"author": "Daniel",
"timestamp": "2018-06-24T14:30:41",
"content": "As long as it doesn’t turn into Amanda Tapping, I’m not too worried about our future.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4651630",
"author": "S... | 1,760,374,319.520751 | ||
https://hackaday.com/2018/06/24/walking-through-mris-with-a-vive/ | Walking Through MRIs With A Vive | Dan Maloney | [
"Medical Hacks"
] | [
"3d model",
"HTC Vive",
"Magnetic resonance imaging",
"mri",
"scanner",
"slice",
"slicer",
"tablet"
] | If you were to make a list of the most important technological achievements of the last 100 years, advanced medical imaging would probably have to rank right up near the top. The ability to see inside the body in exquisite detail is nearly miraculous, and in some cases life-saving.
Navigating through the virtual bodies... | 10 | 7 | [
{
"comment_id": "4651203",
"author": "Ostracus",
"timestamp": "2018-06-24T11:49:25",
"content": "Really could be applied to any volumetric data.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4651874",
"author": "Peter Walsh",
"timestamp": "2... | 1,760,374,319.462547 | ||
https://hackaday.com/2018/06/24/e-dermis-feeling-at-your-prosthetic-fingertips/ | E-Dermis: Feeling At Your (Prosthetic) Fingertips | Kristina Panos | [
"Linux Hacks",
"Medical Hacks",
"Multitouch Hacks"
] | [
"conductive textiles",
"dermis",
"e-dermis",
"epidermis",
"phantom limb",
"piezoresistive",
"prostheses"
] | When we lose a limb, the brain is really none the wiser. It continues to send signals out, but since they no longer have a destination, the person is stuck with one-way communication and a phantom-limb feeling. The fact that the brain carries on has always been promising as far as prostheses are concerned, because it m... | 0 | 0 | [] | 1,760,374,319.772947 | ||
https://hackaday.com/2018/06/23/laser-draws-weather-report/ | Laser Draws Weather Report | Rich Hawkes | [
"Laser Hacks"
] | [
"3d prining",
"glow in the dark",
"laser",
"raspberry pi",
"Raspberry Pi Zero",
"stepper motor",
"temperature",
"weather"
] | Have you ever wished that a laser could tell you the weather? If you have, then [tuckershannon] has you covered. He’s created a machine that
uses a laser and some UV sensitive paper to draw the temperature and a weather icon
! And that’s not all! It’s connected to the internet, so it can also show the time and print ou... | 13 | 8 | [
{
"comment_id": "4650495",
"author": "scott t",
"timestamp": "2018-06-24T05:10:35",
"content": "I think a blue laser will get you the same florescence as a UV laser and you can ditch the safety glasses. at least I know it works on strontium aluminate.",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,319.824969 | ||
https://hackaday.com/2018/06/23/is-this-the-worlds-smallest-computer/ | Is This The World’s Smallest Computer? | Jenny List | [
"computer hacks"
] | [
"bare chip",
"tiny computer",
"wire bonding"
] | How small could you make a computer? In a way, that’s a question that requires that a computer be defined, because you could measure the smallest computer simply in terms of the smallest area of silicon required to create a microprocessor. So perhaps it’s better to talk about a smallest
working
computer. Recent entries... | 34 | 18 | [
{
"comment_id": "4650196",
"author": "Ren",
"timestamp": "2018-06-24T02:22:12",
"content": "wouldn’t the smallest computer have a 1-bit “bus”?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4653002",
"author": "Daniel Matthews",
"timestamp":... | 1,760,374,320.024447 | ||
https://hackaday.com/2018/06/23/roll-your-own-trackball-mouse/ | Roll Your Own Trackball Mouse | Kristina Panos | [
"computer hacks",
"hardware"
] | [
"computer mouse",
"custom",
"mouse",
"optical mouse",
"ping pong ball",
"reuse",
"track ball",
"trackball"
] | What do you do when you’re into trackball mice, but nothing out there is affordable or meets all your murine needs?
You build one, of course
. And if you’re like [Dangerously Explosive], who has a bunch of old optical mice squeaking around the shop, you can mix and match them to build the perfect one.
The mouse, which ... | 7 | 4 | [
{
"comment_id": "4649945",
"author": "Olsen",
"timestamp": "2018-06-23T23:39:46",
"content": "I gotta remember that trick with the paracord, That’d be a great look for a finished project.Also, love the hack! good mice are so hard to come by.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,320.071072 | ||
https://hackaday.com/2018/06/23/rops-will-be-the-board-x86-robot-builders-are-waiting-for/ | ROPS Will Be The Board X86 Robot Builders Are Waiting For | Jenny List | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"fpga",
"interface",
"PCI-E",
"robot"
] | If your robot has outgrown a Raspberry Pi and only the raw computing power of an x86 motherboard will suffice, you are likely to encounter a problem with its interfaces. The days of ISA cards are long gone, and a modern PC is not designed to easily talk to noisy robot hardware. Accessible ports such as USB can have int... | 29 | 12 | [
{
"comment_id": "4649634",
"author": "Ben",
"timestamp": "2018-06-23T20:16:18",
"content": "Why don’t you actually ask what robot builders are waiting for?….. It isn’t this.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4649656",
"author": "Ostracus... | 1,760,374,320.339466 | ||
https://hackaday.com/2018/06/23/arduino-and-pidgin-c/ | Arduino And Pidgin C++ | Al Williams | [
"Arduino Hacks",
"Software Development"
] | [
"arduino",
"c++",
"C++ 2014"
] | What do you program the Arduino in? C? Actually, the Arduino’s byzantine build processes uses C++. All the features you get from the normal libraries are actually C++ classes. The problem is many people write C and ignore the C++ features other than using object already made for them. Just like traders often used pidgi... | 87 | 19 | [
{
"comment_id": "4649310",
"author": "Kuro",
"timestamp": "2018-06-23T17:29:09",
"content": "I usually think it’s best to use what you know.I do write code in C++ environment most of the time, but I’m more versed in C.Every time I write a code I try something new in C++.This way I write a code that’... | 1,760,374,320.271537 | ||
https://hackaday.com/2018/06/23/digitizing-domesday-disks/ | Digitizing Domesday Disks | Brian Benchoff | [
"FPGA"
] | [
"Domesday",
"domesday project",
"fpga"
] | After the Norman invasion of England, William the Conqueror ordered a great reckoning of all the lands and assets owned. Tax assessors went out into the country, counted sheep and chickens, and compiled everything into one great tome. This was the Domesday Book, an accounting of everything owned in England nearly 1000 ... | 47 | 10 | [
{
"comment_id": "4649095",
"author": "Stevo",
"timestamp": "2018-06-23T14:32:02",
"content": "Very cool. And I want one of those rips. I grew up watching SW trilogy on VHS every rainy day. I still have the tapes but they have gone through the VCR so many times the video quality is very, very poor. T... | 1,760,374,320.154255 | ||
https://hackaday.com/2018/06/23/a-midi-sequencer-to-be-proud-of/ | A MIDI Sequencer To Be Proud Of | Jenny List | [
"Musical Hacks"
] | [
"ATmega 644",
"midi",
"midi sequencer"
] | MIDI sequencers are surprisingly expensive, making them an excellent target for [RH Electronics] who has created
a sixteen-step device
. It supports up to eight playable parts per step, which can be either MIDI or drum triggers.
The case and front panel are built to a very high standard, and on a piece of stripboard wi... | 5 | 4 | [
{
"comment_id": "4648855",
"author": "BrightBlueJim",
"timestamp": "2018-06-23T12:12:02",
"content": "I used to think, “I could do that with one microcontroller.” But since microcontrollers are cheaper than the chips it takes to expand their I/O ports, this approach is seeming better and better. T... | 1,760,374,319.867389 | ||
https://hackaday.com/2018/06/23/a-cleverly-concealed-magnetic-loop-antenna/ | A Cleverly Concealed Magnetic Loop Antenna | Jenny List | [
"Radio Hacks",
"Slider"
] | [
"antenna",
"magnetic loop",
"magnetic loop antenna"
] | We’re sure all radio amateurs must have encountered the problem faced by [Alexandre Grimberg PY1AHD] frequently enough that they nod their heads sagely. There you are, relaxing in the sun on the lounger next to the crystal-blue pool, and you fancy working a bit of DX. But the sheer horror of it all, a tower, rotator, a... | 39 | 13 | [
{
"comment_id": "4648568",
"author": "Yann Guidon / YGDES",
"timestamp": "2018-06-23T08:14:53",
"content": "But… polarisation ?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4648892",
"author": "2ftg",
"timestamp": "2018-06-23T12:44:52",
... | 1,760,374,320.458873 | ||
https://hackaday.com/2018/06/22/terradome-gives-plants-and-dinosaurs-a-new-home/ | TerraDome Gives Plants And Dinosaurs A New Home | Sven Gregori | [
"Arduino Hacks",
"green hacks"
] | [
"arduino",
"dinosaur",
"gardening",
"indoor plants",
"jurassic park",
"sensors"
] | Housing exotic plants or animals offer a great opportunity to get into the world of electronic automation. When temperature, light, and humidity ranges are crucial, sensors are your best friend. And if woodworking and other types of crafts are your thing on top, why not build it all from scratch. [MagicManu] did so wit... | 1 | 1 | [
{
"comment_id": "4648527",
"author": "echodelta",
"timestamp": "2018-06-23T07:35:01",
"content": "Lizards?",
"parent_id": null,
"depth": 1,
"replies": []
}
] | 1,760,374,320.382222 | ||
https://hackaday.com/2018/06/22/your-own-sinclair-scientific-calculator/ | Your Own Sinclair Scientific Calculator | Al Williams | [
"Arduino Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"arduino",
"sinclair programmable calculator"
] | We’ve talked about the Sinclair scientific calculator before many times, and for some of us it was our first scientific calculator. If you can’t find yours or you never had one, now you can build your own using — what else — an Arduino thanks to [Arduino Enigma]. There’s a video, below and the project’s
homepage on Hac... | 19 | 6 | [
{
"comment_id": "4648170",
"author": "Nigel Searle",
"timestamp": "2018-06-23T02:15:48",
"content": "Brings back happy memories of working at Sinclair, including coding the Scientific.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4648278",
"author"... | 1,760,374,320.533988 | ||
https://hackaday.com/2018/06/22/the-history-and-physics-of-triode-vacuum-tubes/ | The History And Physics Of Triode Vacuum Tubes | Eric Evenchick | [
"Radio Hacks"
] | [
"de forest",
"fleming valve",
"history",
"patents",
"triode"
] | The triode vacuum tube might be nearly obsolete today, but it was a technology critical to making radio practical over 100 years ago. [Kathy] has
put together a video
that tells the story and explains the physics of the device.
The first radio receivers used a device called a Coherer as a detector, relying on two tiny ... | 20 | 7 | [
{
"comment_id": "4648038",
"author": "Ostracus",
"timestamp": "2018-06-23T00:12:45",
"content": "“The triode vacuum tube might be nearly obsolete today, but it was a technology critical to making radio practical over 100 years ago.”http://www.sciencemag.org/news/2012/05/return-vacuum-tube",
"par... | 1,760,374,320.601456 | ||
https://hackaday.com/2018/06/25/the-electric-vehicles-of-emf-camp/ | The Electric Vehicles Of EMF Camp | Jenny List | [
"cons",
"Transportation Hacks"
] | [
"electric vehicle",
"electric vehicles",
"emf",
"EMF camp",
"EMF camp 2018",
"hacker camp",
"Hacker camp vehicles"
] | There is joy in the hearts of British and European hardware and software hackers and makers, for this is an
EMF Camp
year. Every couple of years, our community comes together for three summer days in a field somewhere, and thanks to a huge amount of work from its organizers and a ton of volunteers, enjoys an entertaini... | 3 | 3 | [
{
"comment_id": "4653665",
"author": "Andrea Campanella",
"timestamp": "2018-06-25T11:35:41",
"content": "the link got the Hackaday death brace….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4653761",
"author": "jack",
"timestamp": "2018-06-25T12:08:... | 1,760,374,320.643849 | ||
https://hackaday.com/2018/06/25/nvidia-transforms-standard-video-into-slow-motion-using-ai/ | Nvidia Transforms Standard Video Into Slow Motion Using AI | Ben James | [
"News",
"Slider",
"Software Hacks"
] | [
"ai",
"cnn",
"deep learning",
"interpolation",
"machine learning",
"NVIDIA",
"slow motion",
"video"
] | Nvidia is back at it again with another awesome demo of applied machine learning:
artificially transforming standard video into slow motion
– they’re so good at showing off what AI can do that anyone would think they were trying to sell hardware for it.
Though most modern phones and cameras have an option to record in ... | 43 | 11 | [
{
"comment_id": "4653225",
"author": "tomkcook",
"timestamp": "2018-06-25T08:14:25",
"content": "This is cool for making cool demos, but not useful for anything where slow motion is actually useful. It can’t add information that isn’t there, so for answering questions like, Who won the race? or, Was... | 1,760,374,320.724443 | ||
https://hackaday.com/2018/06/24/clock-plays-a-game-of-pong-with-itself-to-pass-the-time/ | Clock Plays A Game Of Pong With Itself To Pass The Time | Dan Maloney | [
"clock hacks"
] | [
"JQ9500",
"led",
"matrix",
"MCP9808",
"pir",
"pong",
"rtc",
"uno"
] | Would you play a game of
Pong
where each set lasts exactly one minute and the right player is guaranteed to win 60 times more than the left player? Of course not, but if you were designing
a clock that displays the time using a
Pong
motif
, then perhaps it would make sense.
There are some neat design tips in [oliverb]’... | 4 | 3 | [
{
"comment_id": "4653258",
"author": "KlaymenDK",
"timestamp": "2018-06-25T08:30:20",
"content": "I love the concept of a Pong clock!It’s been my screensaver for over a decade, on Linux, BSD, and Windows.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4653295"... | 1,760,374,320.945149 | ||
https://hackaday.com/2018/06/24/circuit-bent-keyboard-is-pretty-in-pink/ | Circuit Bent Keyboard Is Pretty In Pink | Tom Nardi | [
"Musical Hacks",
"Toy Hacks"
] | [
"circuit bent",
"keyboard",
"reverb",
"TDA2022"
] | If you’re anything like us, more than a few of your projects were borne out of the fact that you had some crusty bit of gear that was badly in need of a second lease on life. Whether it was a hand-me-down or pulled out of the garbage, we’ve all at one time or another had some piece of hardware in our hands that might n... | 6 | 3 | [
{
"comment_id": "4652842",
"author": "Abraham Camarillo",
"timestamp": "2018-06-25T03:40:54",
"content": "Damn, that pink keyboard really sounds badass. Her daughter really will enjoy that toy.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4653067",
"auth... | 1,760,374,320.994884 | ||
https://hackaday.com/2018/06/24/hackaday-links-june-24-2018/ | Hackaday Links: June 24, 2018 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"C.H.I.P.",
"defcon",
"ESP-32",
"game boy",
"hope",
"odroid",
"PocketSprite",
"zero ohm resistor"
] | What do you do if you’re laying out a PCB, and you need to jump over a trace, but don’t want to use a via? The usual trick is using a zero Ohm resistor to make a bridge over a PCB trace. Zero Ohm resistors — otherwise known as ‘wire’ — are a handy tool for PCB designers who have backed themselves into a corner and don’... | 31 | 8 | [
{
"comment_id": "4652365",
"author": "Redhatter (VK4MSL)",
"timestamp": "2018-06-24T23:10:44",
"content": "Here’s a new product from Keystone that is basically wire on a tape and reel.RC=0 stuartl@rikishi ~ $ curl http://keyelco.com/category.cfm/Test-Points-Tips-Probes-Clips/SMT-PCB-Jumpers/p/518/id... | 1,760,374,321.169292 | ||
https://hackaday.com/2018/06/24/lora-with-the-esp32/ | LoRa With The ESP32 | Al Williams | [
"Arduino Hacks",
"Wireless Hacks"
] | [
"ESP32",
"LoRa",
"RFM95"
] | If you are interested in deploying LoRa — the low power long-range wireless technology — you might enjoy [Rui Santos’] project and video about using
the ESP32 with the Arduino IDE to implement LoRa.
You can see the video below. He uses the RFM95 transceivers with a breakout board, so even if you want to use a different... | 20 | 5 | [
{
"comment_id": "4651983",
"author": "SebiR",
"timestamp": "2018-06-24T20:07:27",
"content": "Next time:– LoRa with an Arduino– LoRa with a Teensy– LoRa with an STM32– LoRa with an STM8– LoRa with an MSP430– LoRa with a PIC– LoRa with an ESP8266Looking forward to these :D",
"parent_id": null,
... | 1,760,374,321.224271 | ||
https://hackaday.com/2018/06/24/an-artsy-and-functional-led-filament-lamp/ | An Artsy And Functional LED Filament Lamp | Dan Maloney | [
"LED Hacks"
] | [
"art",
"COB",
"dead bug",
"filament",
"glass",
"lamp",
"led",
"light bulb"
] | Some projects end up being more
objet d’art
than
objet d’utile
, and we’re fine with that — hacks can be beautiful too. Some hacks manage both, though, like this study in silicon and gallium under glass that serves as
a bright and beautiful desk lamp
.
There’s no accounting for taste, of course, but we really like the ... | 14 | 4 | [
{
"comment_id": "4651664",
"author": "TGT",
"timestamp": "2018-06-24T17:20:06",
"content": "Gotta love a dead-bug circuit suspended in mid-air. Especially when it’s built around a one of our favorite DIP packages right in the center.",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,321.324656 | ||
https://hackaday.com/2018/06/22/analog-meters-become-a-clock-for-fathers-day/ | Analog Meters Become A Clock For Father’s Day | Dan Maloney | [
"clock hacks"
] | [
"clock",
"console",
"Father's Day",
"moving coil",
"retro",
"timepiece",
"TinyRTC",
"voltmeter"
] | Around Father’s Day each year, we usually see a small spate of dad-oriented projects. Some are projects by dads or granddads for the kids, while others are gifts for the big guy.
This analog meter clock
fits the latter category, with the extra bonus of recognizing and honoring the influence [Micheal Teeuw]’s father had... | 8 | 4 | [
{
"comment_id": "4646465",
"author": "Shrad",
"timestamp": "2018-06-22T08:34:39",
"content": "Add epaper scaling, NFC communication, and make it enumerate and automatically display the right unit per device…Nice project!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comm... | 1,760,374,321.274266 | ||
https://hackaday.com/2018/06/21/festos-underwater-robot-uses-body-length-fins/ | [Festo]’s Underwater Robot Uses Body-Length Fins | Steven Dufresne | [
"Robots Hacks"
] | [
"drone fishing",
"festo",
"robot",
"swimming",
"underwater",
"underwaterrobot"
] | [Festo] have come up with yet another amazing robot, a swimming one this time with an elegant propulsion mechanism. They call it
the BionicFinWave
. Two fins on either side almost a body-length long create a wave which pushes water backward, making the robot move forward. It’s modeled after such fish as the cuttlefish ... | 17 | 15 | [
{
"comment_id": "4646263",
"author": "steve",
"timestamp": "2018-06-22T05:49:53",
"content": "Holy moly! Neat.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4646296",
"author": "Ed",
"timestamp": "2018-06-22T06:15:29",
"content": "This is SOO KEWL... | 1,760,374,321.377881 | ||
https://hackaday.com/2018/06/21/computers-go-hollywood/ | Computers Go Hollywood | Al Williams | [
"computer hacks"
] | [
"hacker culture",
"movies",
"tv"
] | Have you ever been watching a TV show or a movie and spotted a familiar computer? [James Carter] did and he created a website to
help you identify which old computers appear in TV shows and movies
. We came across this when researching another post about an old computer and wondered if it was any old movies. It wasn’t.... | 5 | 5 | [
{
"comment_id": "4646077",
"author": "Ren",
"timestamp": "2018-06-22T03:09:39",
"content": "Oh great!Thanks for wasting an hour of my time following those links!B^)",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4646269",
"author": "John Klos",
"timest... | 1,760,374,321.42172 | ||
https://hackaday.com/2018/06/21/is-it-a-golden-gun-if-its-made-out-of-brass/ | Is It A Golden Gun If It’s Made Out Of Brass? | Brian Benchoff | [
"Weapons Hacks"
] | [
"AR-10",
"brass",
"casting",
"gun",
"machining",
"rifle"
] | On today’s episode of ‘this is a really neat video that will soon be demonetized by YouTube’
comes this fantastic build from [John]
. It is the Golden Gun, or at least it looks like a Golden Gun because it’s made out of melted down brass casings. It’s a masterclass demonstration of melting stuff down and turning a thir... | 72 | 22 | [
{
"comment_id": "4645772",
"author": "Skeptic",
"timestamp": "2018-06-21T23:11:40",
"content": "C26000 (ASTM B36) Cartridge BrassCopper 68.5-71.5%Zinc\tRemainderLead 0.07% maxIron\t0.05% max",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4645832",
"a... | 1,760,374,321.580578 | ||
https://hackaday.com/2018/06/21/simple-camera-slider-adds-a-dimension-or-two-to-your-shots/ | Simple Camera Slider Adds A Dimension Or Two To Your Shots | Dan Maloney | [
"digital cameras hacks"
] | [
"arduino",
"camera",
"dolly",
"linear",
"motion control",
"pan",
"slider",
"stepper",
"Tilt"
] | Camera sliders are a popular build, and properly executed they can make for impressive shots for both time-lapse sequences or real-time action. But they seem best suited for long shots, as dollying a camera in a straight line just moves subjects close to the camera through the frame.
This slider with both pan and tilt ... | 5 | 3 | [
{
"comment_id": "4645779",
"author": "rubypanther",
"timestamp": "2018-06-21T23:17:03",
"content": "This is so awesome I said right away, “Oh, I want to build one!”And then my wife reminded me how many other projects I’m already working on.But this looks like so much fun, it might actually motivate ... | 1,760,374,321.47081 | ||
https://hackaday.com/2018/06/21/cnc-mod-pack-hopes-to-make-something-useful-from-a-cheap-machine-tool/ | CNC Mod Pack Hopes To Make Something Useful From A Cheap Machine Tool | Jenny List | [
"cnc hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"cnc",
"Hackaday Prize",
"Machine tool"
] | It is probable that many of us have noticed a variety of very cheap CNC mills in the pages of Chinese tech websites and been sorely tempted. On paper or as pixels on your screen they look great, but certainly with the more inexpensive models there soon emerges a gap between the promise and the reality.
[Brandon Piner] ... | 13 | 6 | [
{
"comment_id": "4645600",
"author": "petersys",
"timestamp": "2018-06-21T20:51:45",
"content": "Bringing up the machine to a much better level take much better parts:1.the spindle motor2.the bits/drills.The spindle motor 11.000 rpmhttps://wegstr.com/image/cache/catalog/ZBO%C5%BD%C3%8D%20WEGSTR/Nahr... | 1,760,374,321.636131 | ||
https://hackaday.com/2018/06/21/this-is-the-year-conference-badges-get-their-own-badges/ | This Is The Year Conference Badges Get Their Own Badges | Brian Benchoff | [
"Featured",
"hardware",
"Interest",
"Wearable Hacks"
] | [
"add-on",
"badge",
"badgelife",
"hardware",
"hats",
"sao",
"shields",
"Simple Add-On"
] | Over the last few years, the art and artistry of printed circuit boards has moved from business cards to the most desirable of all disposable electronics. I speak, of course, of badgelife. This is the community built on creating and distributing independent electronic conference badges at the various tech and security ... | 17 | 8 | [
{
"comment_id": "4645392",
"author": "Ren",
"timestamp": "2018-06-21T18:13:04",
"content": "We pause while someone looks up and posts the XKCD cartoon about Standards…",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4645411",
"author": "Ostracus",
... | 1,760,374,321.784326 | ||
https://hackaday.com/2018/06/21/clock-this-a-3d-printed-escapement-mechanism/ | Clock This! A 3D-Printed Escapement Mechanism | Jenny List | [
"3d Printer hacks",
"clock hacks"
] | [
"clock",
"escapement",
"pendulum",
"pendulum clock"
] | Traditional mechanical clockmaking is an art that despite being almost the archetype of precision engineering skill, appears rarely in our world of hardware hackers. That’s because making a clock mechanism is
hard
, and it is for good reason that professional clockmakers serve a long apprenticeship to learn their craft... | 13 | 4 | [
{
"comment_id": "4645199",
"author": "Drew",
"timestamp": "2018-06-21T16:05:05",
"content": "Many escapement designs would easily be 3D printed at a large enough scale, what is difficult is designing them properly.It’s weird that I should see this now because I spent 6 weeks all day long in a specia... | 1,760,374,321.940289 | ||
https://hackaday.com/2018/06/21/make-a-natural-language-phone-bot-like-googles-duplex-ai/ | Make A Natural Language Phone Bot Like Google’s Duplex AI | Steven Dufresne | [
"Featured",
"Interest",
"Original Art",
"Software Hacks"
] | [
"chatbot",
"DialogFlow",
"ibm watson",
"neural networks",
"raspberry pi",
"speech recognition"
] | After seeing
how Google’s Duplex AI was able to book a table at a restaurant
by fooling a human maître d’ into thinking it was human, I wondered if it might be possible for us mere hackers to pull off the same feat. What could you or I do without Google’s legions of ace AI programmers and racks of neural network traini... | 15 | 5 | [
{
"comment_id": "4645317",
"author": "COMMANDER_COOK",
"timestamp": "2018-06-21T17:24:01",
"content": "I’d rather eat a Johnny’s box than any other pizza.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4645512",
"author": "Mark",
"timestamp":... | 1,760,374,322.003737 | ||
https://hackaday.com/2018/06/21/wiping-robots-and-floors-stm32duino-cleans-up/ | Wiping Robots And Floors: STM32duino Cleans Up | Tucker Ervin | [
"Arduino Hacks",
"Robots Hacks"
] | [
"2 wheel robot",
"arduino",
"robot",
"robot vacuum",
"roomba",
"stm32duino"
] | Ever find yourself with nineteen nameless robot vacuums lying around? No? Well, [Aaron Christophel] likes to live a
different life, filled with zebra print robots
(
translated
). After tearing a couple down, only ten vacuums remain — casualties are to be expected. Through their sacrifice, he found a STM32F101VBT6 proce... | 12 | 7 | [
{
"comment_id": "4644843",
"author": "zoomxx",
"timestamp": "2018-06-21T11:55:42",
"content": "Just to clarify that among the cores for STM32 he used the one made by STM (based on HAL) instead of the other one, named today STM32duino (yes, the same user name of the STM one) based on the LibMaple cor... | 1,760,374,322.173022 | ||
https://hackaday.com/2018/06/21/the-best-new-amiga-title-of-2018/ | The Best New Amiga Title Of 2018? | Bryan Cockfield | [
"Games"
] | [
"action adventure",
"Amiga 500",
"commodore",
"Computing",
"gaming",
"retro",
"video game",
"worthy"
] | Just because a system becomes obsolete for most of us doesn’t mean that everyone stops working with them. Take a look at
this brand new game for the Amiga 500 called Worthy
, which is sure to make most of us regret ever upgrading our home computers, despite the improvements made since 1987.
The group who developed the ... | 25 | 11 | [
{
"comment_id": "4644742",
"author": "Nitpicker Smartyass",
"timestamp": "2018-06-21T10:43:13",
"content": "While I am not overly impressed with the visuals or the sound (and I am NOT comparing either to nowadays “standards” since I am not impressed by those either) – I DO miss the times when games ... | 1,760,374,322.12473 | ||
https://hackaday.com/2018/06/20/desktop-radio-telescope-images-the-wifi-universe/ | Desktop Radio Telescope Images The WiFi Universe | Dan Maloney | [
"Radio Hacks"
] | [
"antenna",
"azimuth",
"beam",
"elevation",
"HackRF",
"helix",
"microwave",
"Radio Telescope",
"RSSI",
"sdr",
"wifi"
] | It’s been a project filled with fits and starts, and it very nearly ended up as a “Fail of the Week” feature, but we’re happy to report that
the [Thought Emporium]’s desktop WiFi radio telescope
finally works. And it’s pretty darn cool.
If you’ve been following along with the build like we have, you’ll know that this s... | 21 | 14 | [
{
"comment_id": "4644052",
"author": "Justin (the thought emporium)",
"timestamp": "2018-06-21T06:34:48",
"content": "https://www.youtube.com/watch?v=F1xAUfdK9FE;)Glad you liked the project!It only seemed as rocky of a path as it was because I decided to go with a weekly update format rather than th... | 1,760,374,322.060903 | ||
https://hackaday.com/2018/06/20/learn-something-about-phase-locked-loops/ | Learn Something About Phase Locked Loops | Al Williams | [
"Radio Hacks"
] | [
"fm radio",
"frequency multiplication",
"phase lock loop",
"PLL"
] | The phase locked loop, or PLL, is a real workhorse of circuit design. It is a classic feedback loop where the phase of an oscillator is locked to the phase of a reference signal using an error signal in the same basic way that perhaps a controller would hold a temperature or flow rate in a physical system. That is, a b... | 8 | 3 | [
{
"comment_id": "4643624",
"author": "Doc",
"timestamp": "2018-06-21T02:27:52",
"content": "What I learned about PLLs long ago was that loop filters are tougher than they look….",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4643903",
"author": "Voja Anton... | 1,760,374,322.348007 | ||
https://hackaday.com/2018/06/20/trackball-gets-bolt-on-button-upgrade/ | Trackball Gets Bolt-On Button Upgrade | Tom Nardi | [
"computer hacks",
"Peripherals Hacks"
] | [
"3d printing",
"cherry mx",
"input device",
"trackball"
] | The question of whether to use a mouse versus a trackball is something of a Holy War on the level of Vi versus Emacs. We at Hackaday want no part of such things, use whatever you want, and leave us out of it. But we will go as far as to say that Team Trackball seems to take things mighty seriously. We’ve never met a ca... | 6 | 3 | [
{
"comment_id": "4643544",
"author": "Gregg Eshelman",
"timestamp": "2018-06-21T01:28:30",
"content": "I want to see Microsoft bring back their Trackball Optical 1.0. But this time with silicon carbide balls instead of the steel ones which if you didn’t wash your hands before using it, and pop the b... | 1,760,374,322.391776 | ||
https://hackaday.com/2018/06/22/linear-track-makes-plasma-cuts-neat-and-simple/ | Linear Track Makes Plasma Cuts Neat And Simple | Dan Maloney | [
"Tool Hacks"
] | [
"cnc",
"cutter",
"linear",
"metalwork",
"motorized",
"plasma"
] | No microcontroller, no display, and not even an LED in sight. That’s how [Made in Poland] decided to roll with
this motorized linear plasma cutter
, and despite the simplicity it really gets the job done when there’s metal to be cut.
Plasma cutting makes slicing and dicing heavy stock a quick job, but it’s easy to go o... | 4 | 4 | [
{
"comment_id": "4647695",
"author": "Ren",
"timestamp": "2018-06-22T21:29:20",
"content": "Nice!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "4648366",
"author": "Dave M.",
"timestamp": "2018-06-23T05:01:26",
"content": "I’m thinking a laser or ... | 1,760,374,322.212425 | ||
https://hackaday.com/2018/06/22/evolving-the-3d-printed-linear-actuator/ | Evolving The 3D Printed Linear Actuator | Roger Cheng | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2018 Hackaday Prize",
"compliant mechanism",
"hobby servo",
"linear actuator",
"micro servo",
"Robotics Module",
"Robotics Module Challenge",
"servo motor"
] | Our open source community invites anyone with an idea to build upon the works of those who came before. Many of us have encountered a need to control linear motion and adapted an inexpensive hobby servo for the task. [Michael Graham] evaluated existing designs and believed he has ideas to advance the state of the art. ... | 10 | 2 | [
{
"comment_id": "4647438",
"author": "Luke",
"timestamp": "2018-06-22T19:06:01",
"content": "This reminds me of an idea I had the other day.Take a sheet of metal and cut an even ribbon, and then wrap it around a mandril to form a tight spiral. Then stretch the spiral to space it apart, and you have ... | 1,760,374,322.444325 | ||
https://hackaday.com/2018/06/22/vcf-east-xiii-another-day-in-retro-paradise/ | VCF East XIII: Another Day In Retro Paradise | Tom Nardi | [
"classic hacks",
"cons",
"Hackaday Columns",
"Retrocomputing"
] | [
"bbs",
"commodore",
"MOBIDIC",
"VCF",
"VCF East",
"VCF East XIII"
] | While the weather alternated between mist and monsoon for most of it, the thirteenth annual Vintage Computer Festival East was still a huge success. People came from all over the country, and indeed the world, to show off computers and equipment that was easily older than many of those in attendance. From 1980’s robots... | 8 | 5 | [
{
"comment_id": "4647343",
"author": "Antron Argaiv",
"timestamp": "2018-06-22T17:55:01",
"content": "KIM-1My wife, in an effort to avoid doing a foreign language course, took an assembly language programming class (and passed it). Everyone was assigned a KIM-1 and they had to write the assembly co... | 1,760,374,322.665156 | ||
https://hackaday.com/2018/06/22/beats-an-extension-cord/ | Beats An Extension Cord | Brian McEvoy | [
"hardware",
"Tool Hacks"
] | [
"18650",
"adjsutable",
"bench",
"benchtop",
"display",
"pocket",
"portable",
"power",
"power supply",
"tool"
] | What does your benchtop power supply have that [Pete Marchetto]’s does not? Answer: an extension cord draped across the floor. How often have you said to yourself, “I just need to energize this doodad for a couple seconds,” then you start daisy chaining every battery in the junk drawer to reach the necessary voltage? I... | 18 | 12 | [
{
"comment_id": "4647193",
"author": "Ralph Doncaster",
"timestamp": "2018-06-22T16:05:40",
"content": "I use a LiFePO4 battery for 3.3V cordless powering circuits, and a couple AA NiMh batteries when I want to test with lower voltage.",
"parent_id": null,
"depth": 1,
"replies": []
},
... | 1,760,374,322.598341 | ||
https://hackaday.com/2018/06/22/theres-rc2014-life-in-the-tms9918a-display-chip-yet/ | There’s RC2014 Life In The TMS9918A Display Chip Yet | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"display card",
"RC2014",
"retrocomputer",
"TMS9918A"
] | One of the outliers in the home computer wars of the early 1980s was the Texas Instruments TI99/4A. It may not have had the games library of its rivals and its TMS9900 processor may not have set the world on fire with its registers-in-RAM architecture, but its range of support chips included one whose derivatives would... | 30 | 5 | [
{
"comment_id": "4647277",
"author": "jockmurphy",
"timestamp": "2018-06-22T17:05:49",
"content": "I wish there were a modern equivalent, something that could support a decent resolution and a modern display interface (i.e. not VGA or composite) for the kind of projects that show up here. LCDs are ... | 1,760,374,322.732011 | ||
https://hackaday.com/2018/06/22/linux-fu-the-great-power-of-make/ | Linux Fu: The Great Power Of Make | Al Williams | [
"Featured",
"Linux Hacks",
"Skills",
"Slider"
] | [
"linux",
"make"
] | Over the years, Linux (well, the operating system that is commonly known as Linux which is the Linux kernel and the GNU tools) has become much more complicated than its Unix roots. That’s inevitable, of course. However, it means old-timers get to slowly grow into new features while new people have to learn all in one g... | 76 | 30 | [
{
"comment_id": "4647046",
"author": "Ostracus",
"timestamp": "2018-06-22T14:08:21",
"content": "Make as a security risk?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "4658015",
"author": "deralchemist",
"timestamp": "2018-06-26T18:58:50",
... | 1,760,374,322.850549 |
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