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|---|---|---|---|---|---|---|---|---|---|---|---|
https://hackaday.com/2017/08/25/quintuple-sized-lego-go-kart/ | Quintuple-Sized LEGO Go-Kart | John Baichtal | [
"3d Printer hacks"
] | [
"go-kart",
"lego",
"Lulzbot Taz"
] | [Matt Denton] was inspired by [James Bruton]’s scaled up LEGO and decided to
create his own giant LEGO project
. He found a classic model that he wanted to scale up. 1985’s Technic Go-Kart (set #1972) contained 98 pieces and seemed manageable.
He wanted to create something his 8yo nephew [Ruben] could sit in, but had ... | 16 | 10 | [
{
"comment_id": "3933702",
"author": "dalton anderson",
"timestamp": "2017-08-25T08:56:19",
"content": "um maybe 5 timed bigger in each direction (125 times larger)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3934092",
"author": "Matt",
"t... | 1,760,374,702.989626 | ||
https://hackaday.com/2017/08/24/dslogic-plus-teardown-and-review/ | DSLogic Plus Teardown And Review | Al Williams | [
"Tool Hacks"
] | [
"DSLogic",
"logic analyzer"
] | The DSLogic open source logic analyzer is on its second release (the plus version) and [OpenTechLab] has a
comprehensive review
of the new model, which, unlike the original model, includes a different method of connecting probes and provides a separate ground for each input pin.
The device is pretty simple inside with ... | 14 | 8 | [
{
"comment_id": "3933444",
"author": "Ostracus",
"timestamp": "2017-08-25T05:21:19",
"content": "And as a part of TaD (Tutorial a Day) we’ll demonstrate some of the problems it’s good for.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3935943",
"aut... | 1,760,374,703.087242 | ||
https://hackaday.com/2017/08/24/mini-oscar-mayer-wienermobile-takes-moxie-in-kc/ | Mini Oscar Mayer Wienermobile Takes Moxie In KC | John Baichtal | [
"Transportation Hacks"
] | [
"Maker Faire KC",
"power racing series",
"ppprs",
"wienermobile"
] | There are no shortage of fantastic and creative Power Racing Series cars, but here’s an especially fun example. [Pete Prodoehl] of Milwaukee Makerspace and his teammates [Kathy Cannistra] and [Kyle White] built a Power Racing car based on the design of the iconic
Oscar Mayer Wienermobile
.
They created the wienie and b... | 4 | 2 | [
{
"comment_id": "3933432",
"author": "ihayes42",
"timestamp": "2017-08-25T04:54:32",
"content": "As a Wisconsin native I raise my beer and cheese curds to this design. Bravo",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3934000",
"author": "Ren",
... | 1,760,374,703.323486 | ||
https://hackaday.com/2017/08/24/possibly-the-most-up-cycled-hacked-e-bike-youll-see-all-week/ | Possibly The Most Up-Cycled, Hacked E-Bike You’ll See All Week | Donald Papp | [
"Transportation Hacks"
] | [
"angle grinder",
"battery",
"diy",
"e-bike",
"electric bike",
"electric motorcycle",
"kreosan",
"recycled",
"salvaged",
"smartphone battery",
"speed control",
"ukraine",
"upcycled"
] | When it comes to bringing an idea to life it’s best to have both a sense of purpose, and an eagerness to apply whatever is on hand in order to get results. YouTube’s favorite Ukrainians [KREOSAN] are chock full of both in their journey to create
this incredible DIY e-bike
using an angle grinder with a friction interfac... | 32 | 11 | [
{
"comment_id": "3933131",
"author": "echodelta",
"timestamp": "2017-08-24T23:30:40",
"content": "Not as scary as the Russians. At least the bungees will melt and auto release the melting burning cells.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3933140",
... | 1,760,374,703.463113 | ||
https://hackaday.com/2017/08/24/remote-controlled-nerf-bomb/ | Remote Controlled Nerf Bomb | Jenny List | [
"News",
"Toy Hacks"
] | [
"nerf",
"nerf bomb",
"nerf gun",
"nerf hacks",
"toys"
] | There was a third-party multiplayer upgrade pack for one of the Quake games back in the ’90s that included a whole slew of non-standard weapons. Among them one of the most memorable was a gravity well, that when thrown into the middle of a crowded room full of warring players would suck them into a vortex. Assuming its... | 10 | 3 | [
{
"comment_id": "3932919",
"author": "Nicholas",
"timestamp": "2017-08-24T20:25:31",
"content": "Cool stuff, although I think he may want retire that LiPo battery soon.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3933023",
"author": "Ostracus",
"tim... | 1,760,374,703.036257 | ||
https://hackaday.com/2017/08/24/hackaday-prize-entry-bloodhound-autonomous-radiolocation-drone/ | Hackaday Prize Entry: Bloodhound Autonomous Radiolocation Drone | John Baichtal | [
"drone hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"tricopter"
] | If you’re a first responder — say, searching for someone lost in the outback, or underneath an avalanche — and you’re looking for someone with a radio beacon, what’s the fastest way to find that beacon? Getting up high would be a good idea, and if you’re using radio direction finding, you’ll want to be able to cover a ... | 26 | 10 | [
{
"comment_id": "3932842",
"author": "bty",
"timestamp": "2017-08-24T19:13:49",
"content": "i don’t think a 2S 2000mAh battery is going to last long, a few minutes maybe ..great project though, can’t wait to see his progress on the radio part. Any word on the antenna ?",
"parent_id": null,
"... | 1,760,374,703.529135 | ||
https://hackaday.com/2017/08/24/were-hiring-7/ | We’re Hiring | Mike Szczys | [
"Hackaday Columns"
] | [
"hiring",
"jobs",
"writers"
] | Hackaday has been expanding into all kinds of new areas. We find ourselves stretched a bit thin and it’s time to ask for help. Want to lend a hand while making some extra dough to plow back into your projects? These are work-from-home (or wherever you like) positions and we’re looking for awesome, motivated people to h... | 55 | 18 | [
{
"comment_id": "3932769",
"author": "Ostracus",
"timestamp": "2017-08-24T18:28:27",
"content": "“Hackaday has been expanding into all kinds of new areas. ”What new areas?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3932784",
"author": "true",
... | 1,760,374,703.285305 | ||
https://hackaday.com/2017/08/24/eclipse-2017-report-from-an-extinct-volcano/ | Eclipse 2017: Report From An Extinct Volcano | Dan Maloney | [
"Current Events",
"Featured"
] | [
"astronomy",
"Eclipse 2017",
"Idaho",
"total solar eclipse",
"totality",
"volcano"
] | Location, location, location — what’s critical to real estate is also critical to eclipse watching, and without sounding too boastful, those of us atop South Menan Butte, an extinct volcano in southeast Idaho, absolutely nailed it. Not only did we have perfect weather, we had an excellent camping experience, great food... | 18 | 11 | [
{
"comment_id": "3932676",
"author": "prefect12",
"timestamp": "2017-08-24T17:06:39",
"content": "You forgot Wyoming. It is where Destin from Smarter Every Day was at to take photos of the ISS transiting the sun during the eclipse,https://www.youtube.com/watch?v=lepQoU4oek4",
"parent_id": null,... | 1,760,374,703.389869 | ||
https://hackaday.com/2017/08/24/floating-ants-and-drops-of-liquid-with-an-acoustic-levitator/ | Floating Ants And Drops Of Liquid With An Acoustic Levitator | Dan Maloney | [
"hardware",
"Tech Hacks"
] | [
"acoustic",
"acoustic levitation",
"levitation",
"phased array",
"transducer",
"ultrasonic"
] | Amuse your friends, amaze your enemies, and perplex ants and other insects, insofar as they are capable of perplexment. Accomplish all this and more with
this handy dandy homebrew acoustic levitator
.
Before anyone gets to thinking about using this technique to build a hoverboard that actually hovers, it’s best that yo... | 9 | 7 | [
{
"comment_id": "3932650",
"author": "Fabrice",
"timestamp": "2017-08-24T16:39:37",
"content": "Funny :)Time to get my 3D Printer hot … again ! (I’m sure Hackaday have action in plastic spool company … he he )Thanks for sharing this one ;)",
"parent_id": null,
"depth": 1,
"replies": []
... | 1,760,374,702.940852 | ||
https://hackaday.com/2017/08/24/ask-hackaday-saving-the-world-with-wacky-waving-inflatable-arm-flailing-tube-men/ | Ask Hackaday: Saving The World With Wacky Waving Inflatable Arm Flailing Tube Men | Brian Benchoff | [
"Ask Hackaday",
"Hackaday Columns",
"Original Art",
"Slider"
] | [
"chimney",
"global warming",
"physics",
"Super Chimney",
"wacky waving inflatable arm flailing arm tube man"
] | This is a solution to global warming. This solution will also produce electricity, produce rain in desertified areas, and transform the Sahara into arable land capable of capturing CO2. How is this possible? It’s simple: all we need to do is build a five-kilometer tall, twenty-meter wide chimney. Hot air, warmed by the... | 118 | 34 | [
{
"comment_id": "3932464",
"author": "gregkennedy",
"timestamp": "2017-08-24T14:09:40",
"content": "I’m confused. Why does the “hot air” enter the chimney in the first place? Usually it’s because there is something burning at the bottom… is the tube made of vantablack or something?",
"parent_i... | 1,760,374,703.689035 | ||
https://hackaday.com/2017/08/24/3d-printed-robotic-arms-for-sign-language/ | 3D Printed Robotic Arms For Sign Language | Donald Papp | [
"Robots Hacks"
] | [
"3d printed",
"3d printing",
"ASL",
"research project",
"robot",
"robot hand",
"robotic",
"robotic hand",
"sign language",
"translator"
] | A team of students in Antwerp, Belgium are responsible for
Project Aslan
, which is exploring the feasibility of using 3D printed robotic arms for assisting with and translating sign language. The idea came from the fact that sign language translators are few and far between, and it’s a task that robots may be able to ... | 30 | 7 | [
{
"comment_id": "3932301",
"author": "Howard",
"timestamp": "2017-08-24T11:10:08",
"content": "Very nicely done! I released a project years ago for kids to make hands like this from drinking straws and one kid tried to get his to do ASL. While inspired, that wasn’t the right tech. You guys did a wo... | 1,760,374,703.920522 | ||
https://hackaday.com/2017/08/24/finishing-a-mini-ps-one-sla-vs-extruded/ | Finishing A Mini PS One: SLA Vs Extruded | Inderpreet Singh | [
"3d Printer hacks",
"handhelds hacks"
] | [
"3d printer",
"case",
"comparison",
"custom",
"enclosure",
"make",
"Raspberry Pi Zero"
] | One of the biggest lessons learned by first time 3D printer users is that not everything can be replicated and a printer is a machine and not a miracle worker. It has limitations in terms of what it can print as well as the quality of the output. For teeny tiny objects, the 0.8 mm nozzle will just not do and with resin... | 24 | 10 | [
{
"comment_id": "3932193",
"author": "blkhawk",
"timestamp": "2017-08-24T08:48:17",
"content": "Something I see with a lot of 3d prints is that people often try to print “all-in-one” or “print in place” even when it makes the quality of the result worse.in this case the buttons, controller ports and... | 1,760,374,703.849698 | ||
https://hackaday.com/2017/08/23/control-the-air-conditioning-with-slack/ | Control The Air Conditioning With Slack | Rich Hawkes | [
"hardware",
"internet hacks"
] | [
"air conditioning",
"clojure",
"ESP8266-01",
"IR transmitter",
"slack"
] | [Raphael Baron] needed a better way to control his office’s air conditioning units. Sure, they have remotes, but that’s too easy. [Raphael] came up with a
solution that uses an ESP8266, a computer, IR LEDs, and a bot that runs on Slack
.
[Raphael] built a prototype of the ESP8266 hardware on protoboard and used it to r... | 7 | 5 | [
{
"comment_id": "3932112",
"author": "Galane",
"timestamp": "2017-08-24T06:55:27",
"content": "I just want a remote thermostat that works with a GE window AC. All it needs to do is be able to be set to a temperature and have the capability to send the Power command when it reads the temp rising too ... | 1,760,374,703.966426 | ||
https://hackaday.com/2017/08/23/diy-electric-beach-luge-is-a-thrill/ | DIY Electric Beach Luge Is A Thrill | Donald Papp | [
"Transportation Hacks"
] | [
"beach",
"diy",
"Electric motor",
"electric vehicle",
"go-kart",
"land speeder",
"luge",
"personal transport",
"superman"
] | [John Dingley] describes his
Electric Beach Luge Project
as an exciting mashup between “a downhill luge board, a kite surf buggy, a go-kart, and a Star Wars Land Speeder” and it’s fresh from a successful test run. What’s not to like? The DIY experimental vehicle was made to run on long, flat, firm stretches of sand whi... | 14 | 8 | [
{
"comment_id": "3931953",
"author": "ANC",
"timestamp": "2017-08-24T03:18:27",
"content": "Prone (the second pic) is called skeleton. Much more fun, but his chin is going to take an epic beating when he finds that first bump.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
... | 1,760,374,704.074892 | ||
https://hackaday.com/2017/08/23/so-youve-never-made-a-spaceframe-before/ | So, You’ve Never Made A Spaceframe Before | Jenny List | [
"Transportation Hacks"
] | [
"brazing",
"fabrication",
"metal fabrication",
"space frame",
"spaceframe",
"vehicle",
"welding"
] | It is sometimes a surprise in our community of tinkerers, builders, hackers, and makers, to find that there are other communities doing very similar things to us within their own confines, but in isolation to ours. A good example are the modified vehicle crowd. In their world there are some epic build stories and the s... | 20 | 6 | [
{
"comment_id": "3931796",
"author": "W",
"timestamp": "2017-08-23T23:19:57",
"content": "Beware if you are welding Cr-Mo or otherwise high-strength tempered steel; its strength is incredibly dependent on the heating/cooling profile that you subject it to. Unless you preheat before welding, you are... | 1,760,374,705.055795 | ||
https://hackaday.com/2017/08/23/mini-delta-gets-a-hot-end-upgrade/ | Mini Delta Gets A Hot End Upgrade | Lewin Day | [
"3d Printer hacks"
] | [
"3d printer",
"3d printing",
"delta",
"hot end",
"hotend",
"mini delta",
"Monoprice",
"monoprice mini delta"
] | 3D printers are now cheaper than ever and Monoprice is at the absolute forefront of that trend. However, some of their printers struggle with flexible filaments, which is no fun if you’ve discovered you have a taste for the material properties of Ninjaflex and its ilk. Fear not, however — the community once again has a... | 15 | 5 | [
{
"comment_id": "3931695",
"author": "Staplez",
"timestamp": "2017-08-23T21:51:26",
"content": "Really want to get my hands on one of these printers. But i see that the campaign has come to an end. And even when it was open it seems like they were shipping to the US only.Anyone heard anything throug... | 1,760,374,704.274173 | ||
https://hackaday.com/2017/08/23/hackaday-prize-entry-e-r-n-i-e-teaches-robotics-and-programming/ | Hackaday Prize Entry: E.R.N.I.E. Teaches Robotics And Programming | Rich Hawkes | [
"Robots Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"arduino",
"lessons",
"line following robot",
"robot"
] | [Sebastian Goscik]’s entry in the 2017 Hackaday Prize is a line following robot. Well, not really; the end result is a line following robot, but the actual project
is about a simple, cheap robot chassis
to be used in schools, clubs, and other educational, STEAM education events. Along with the chassis design comes a le... | 7 | 5 | [
{
"comment_id": "3931527",
"author": "Ren",
"timestamp": "2017-08-23T18:53:08",
"content": "So, to go along with this, let me introduce,Beginning Educators Robotic Training A.K.A. B.E.R.T",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3932458",
"author": "... | 1,760,374,704.411156 | ||
https://hackaday.com/2017/08/23/modular-storage-with-peanut-butter-and-lasers/ | Modular Storage With Peanut Butter And Lasers | John Baichtal | [
"Hackaday Columns",
"Lifehacks",
"Skills"
] | [
"component storage",
"jar",
"laser cutter",
"modular",
"peanut butter"
] | I have storage on the mind, and it comes from two facts in my life:
First, I have tons of stuff in my workshop, far too much for the amount of space I have. A lot of this material is much easier to use if it’s well-organized. Think electronics, robotics, building sets. Modular parts that need to go together a certain w... | 22 | 12 | [
{
"comment_id": "3931431",
"author": "gregkennedy",
"timestamp": "2017-08-23T17:17:21",
"content": "I thought this would end up being a Lazy Susan-style rotating jar storage system! You could barcode the sides and use the Random Sort with a computer-based inventory system to make finding parts quic... | 1,760,374,704.365499 | ||
https://hackaday.com/2017/08/23/friday-hack-chat-javascript-on-microcontrollers/ | Friday Hack Chat: JavaScript On Microcontrollers | Brian Benchoff | [
"Hackaday Columns"
] | [
"Espruino",
"Hack Chat",
"interpreter",
"javascript"
] | Microcontrollers today are much more powerful and much more capable than the 8051s from back in the day. Now, they have awesome peripherals and USB device interfaces. It’s about time a slightly more modern language was used to program these little chips.
During this Friday’s Hack Chat
, we’re going to be talking about ... | 15 | 8 | [
{
"comment_id": "3931455",
"author": "wefwe",
"timestamp": "2017-08-23T17:30:26",
"content": "mrubyc is better",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3931508",
"author": "Buddy Casino",
"timestamp": "2017-08-23T18:29:27",
"con... | 1,760,374,704.643389 | ||
https://hackaday.com/2017/08/23/wood-finish-from-old-records/ | Wood Finish From Old Records | Adam Fabio | [
"classic hacks"
] | [
"78 RPM",
"record player",
"shellac",
"wood finish",
"wood finishing",
"woodworking"
] | Next time you’re working on a project that needs a durable wood finish, don’t grab the polyurethane.
Follow [Victor Ola’s] advice and raid your grandparent’s record cabinet for some old 78 records
. Modern records are made from vinyl. The stiff, brittle old 78’s from the 1960’s and earlier were made from shellac. Shell... | 36 | 13 | [
{
"comment_id": "3931139",
"author": "Echo",
"timestamp": "2017-08-23T15:08:02",
"content": "I can already hear the fellow commenters screaming. Its a little bit like destroying tubes just to make a hermetic feedthrough out of the remains.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,705.184899 | ||
https://hackaday.com/2017/08/23/the-last-interesting-chrysler-had-a-gas-turbine-engine/ | The Last Interesting Chrysler Had A Gas Turbine Engine | Bryan Cockfield | [
"car hacks",
"Engine Hacks",
"Featured",
"History",
"Original Art",
"Slider"
] | [
"Chrystler",
"Gas turbine",
"internal combustion",
"turbine"
] | The piston engine has been the king of the transportation industry for well over a century now. It has been manufactured so much that it has become a sort of general-purpose machine that can be used to do quite a bit more than merely move people and cargo from one point to another. Running generators, hydraulic systems... | 137 | 24 | [
{
"comment_id": "3931040",
"author": "That Same Guy",
"timestamp": "2017-08-23T14:06:25",
"content": "Connect that engine to a generator, and you have an awesome hybrid.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3931506",
"author": "janostman",
... | 1,760,374,704.884667 | ||
https://hackaday.com/2017/08/23/make-your-own-compound-bow-from-pvc-pipe/ | Make Your Own Compound Bow From PVC Pipe | Jack Laidlaw | [
"how-to"
] | [
"bow",
"compound bow",
"diy",
"DIY build",
"how-to",
"PVC",
"pvc-pipe"
] | Have you ever wanted to
make your own compound bow
for fun or even fishing? [New creative DIY] shows us how in their YouTube video. Compound bows are very powerful in comparison to their longbow grandparents, relying on the lever principle or pulleys. meaning less power exertion for the same output.
Compound bows can b... | 25 | 4 | [
{
"comment_id": "3930882",
"author": "dave",
"timestamp": "2017-08-23T11:32:04",
"content": "Queue the PVC pipe hate, and go!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3930921",
"author": "CampGareth",
"timestamp": "2017-08-23T12:15:44",... | 1,760,374,704.703019 | ||
https://hackaday.com/2017/08/23/from-foot-pump-cylinders-to-pneumatic-robot-fighting-arm/ | From Foot Pump Cylinders To Pneumatic Robot Fighting Arm | Steven Dufresne | [
"Robots Hacks"
] | [
"air pump",
"fighting robots",
"piston",
"piston pump",
"pneumatic",
"Pneumatic cylinder",
"Solenoid valve"
] | Halfords Essentials foot pump
[James Bruton] is well known for making robots using electric motors but he’s decided to try his hand at
using pneumatics in order to make a fighting robot
. The pneumatic cylinders will be used to give it two powerful punching arms. In true [James Bruton] fashion, he’s started with some e... | 12 | 4 | [
{
"comment_id": "3930799",
"author": "kiirala",
"timestamp": "2017-08-23T08:57:24",
"content": "I hope those pumps work better as pistons than they work as pumps. Using one to pump a bike tire, you get in order of 100 actuations before the piston rod eats it’s way through its flimsy collar or the fr... | 1,760,374,704.939044 | ||
https://hackaday.com/2017/08/22/sniff-your-local-lora-packets/ | Sniff Your Local LoRa Packets | Jenny List | [
"Radio Hacks"
] | [
"Adafruit Feather",
"cortex m0",
"Feather",
"LoRa"
] | As the LoRa low-bandwidth networking technology in license-free spectrum has gained traction on the wave of IoT frenzy, LoRa networks have started to appear in all sorts of unexpected places. Sometimes they are open networks such as The Things Network, other times they are commercially available networks, and then, of ... | 15 | 4 | [
{
"comment_id": "3930613",
"author": "Ostracus",
"timestamp": "2017-08-23T06:05:41",
"content": "It would be interesting to see just how widespread LoRa is, or is it just a niche?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3930753",
"author": "vi... | 1,760,374,704.992806 | ||
https://hackaday.com/2017/08/22/yes-of-couse-someone-shot-the-eclipse-on-a-game-boy-camera/ | Yes, Of Course Someone Shot The Eclipse On A Game Boy Camera | Mike Szczys | [
"digital cameras hacks",
"Nintendo Game Boy Hacks"
] | [
"eclipse",
"Eclipse 2017",
"game boy",
"game boy camera"
] | This one shouldn’t surprise us, but there is something particularly enjoyable about
seeing the total eclipse of the Sun through a Game Boy camera
.
The Game Boy got its camera accessory back in 1998 when CCD-based cameras with poor resolution were just becoming widely available to the public. This camera can capture 12... | 24 | 12 | [
{
"comment_id": "3930425",
"author": "reggy",
"timestamp": "2017-08-23T02:07:10",
"content": "Wow. Perhaps for the next one you can publish someone using a magnifying glass and searing a thin crescent of the sun into their flesh. Who cares and what good is an image sampled with an imager that was ... | 1,760,374,705.113465 | ||
https://hackaday.com/2017/08/22/someone-finally-did-it-with-a-555/ | Someone Finally Did It With A 555 | Brian Benchoff | [
"Peripherals Hacks"
] | [
"555",
"mouse",
"usb"
] | [Jarunzel] needed a device that would automatically click the left button on a mouse at a pre-set interval. For regular Hackaday readers, this is an easy challenge. You could do it with an ATtiny85 using the VUSB library, a few resistors and diodes, and a bit of code that emulates a USB device that constantly sends mou... | 73 | 22 | [
{
"comment_id": "3930303",
"author": "Buckaroo",
"timestamp": "2017-08-22T23:10:48",
"content": "No, a REAL hack would have been a small high-geared motor with a cam that periodically closes the switch manually.(runs for the hills)",
"parent_id": null,
"depth": 1,
"replies": [
{
... | 1,760,374,705.355354 | ||
https://hackaday.com/2017/08/22/fake-ram-identifying-a-counterfeit-chip/ | Fake Ram: Identifying A Counterfeit Chip | Adam Fabio | [
"hardware"
] | [
"decapped",
"decapping",
"dtmf",
"fake chips",
"fake ram",
"reverse engineering"
] | [Robert Baruch] had something strange on his hands. He had carefully decapped 74LS189 16×4 static RAM, only to find that it wasn’t a RAM at all. The silicon die inside the plastic package even had analog elements, which is not what one would expect to find in an SRAM. But what was it? A quick tweet brought in the cava... | 26 | 9 | [
{
"comment_id": "3930169",
"author": "Ren",
"timestamp": "2017-08-22T20:10:50",
"content": "1++",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "6162891",
"author": "GNU C Compiler",
"timestamp": "2019-07-09T17:15:01",
"content": "error... | 1,760,374,705.246758 | ||
https://hackaday.com/2017/08/22/hackaday-prize-entry-staircane-a-walker-that-takes-the-stairs/ | Hackaday Prize Entry: Staircane, A Walker That Takes The Stairs | Kristina Panos | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"aging in place",
"assistive technology",
"walker"
] | [Jim]’s aunt has lived in the same house for the last 50 years. She loves it there, and she wants to stay as long as possible. There’s a big problem, though. The house has several staircases, and they are all beginning to disagree with her. Enter
Staircane, [Jim]’s elegant solution that adds extendable legs to any stan... | 4 | 3 | [
{
"comment_id": "3930158",
"author": "RoGeorge",
"timestamp": "2017-08-22T19:58:31",
"content": "There is a motorized variation of thishttps://youtu.be/OqyVAHUIBRo?t=1251and also a giveaway for a Rohde & Schwarz Oscilloscope from mjlorton, by the way:o)",
"parent_id": null,
"depth": 1,
"... | 1,760,374,706.131582 | ||
https://hackaday.com/2017/08/22/how-peptides-are-made/ | How Peptides Are Made | Will Sweatman | [
"chemistry hacks",
"Engineering",
"Hackaday Columns"
] | [
"amino acid",
"biohacking",
"peptide",
"protein"
] | What does body building, anti-aging cream and Bleomycin (a cancer drug) have in common? Peptides of course! Peptides are large molecules that are vital to life. If you were to take a protein and break it into smaller pieces, each piece would be called a peptide. Just like proteins, peptides are made of amino acids link... | 28 | 13 | [
{
"comment_id": "3930062",
"author": "Denis",
"timestamp": "2017-08-22T17:37:52",
"content": "Off Topic: I may have missed it in the past but is there an article on HaD’s resident artist (whoever did the robot at the chalkboard drawing)? Or is there more than one artist? I’d be interested in knowing... | 1,760,374,707.297131 | ||
https://hackaday.com/2017/08/22/esp8266-based-internet-radio-receiver-is-packed-with-features/ | ESP8266 Based Internet Radio Receiver Is Packed With Features | Sean Boyce | [
"digital audio hacks",
"Radio Hacks"
] | [
"ESP8266",
"internet radio",
"IoT"
] | Have a beautiful antique radio that’s beyond repair? This
ESP8266 based Internet radio
by [Edzelf] would be an excellent starting point to get it running again, as an alternative to a
Raspberry-Pi based design
. The basic premise is straightforward: an ESP8266 handles the connection to an Internet radio station of your... | 36 | 11 | [
{
"comment_id": "3929993",
"author": "Telimektar",
"timestamp": "2017-08-22T15:41:03",
"content": "remind me similar project based on esp8266 and VS1053 –https://github.com/karawin/Ka-Radio",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3930024",
"a... | 1,760,374,707.126291 | ||
https://hackaday.com/2017/08/22/the-enigma-enigma-how-the-enigma-machine-worked/ | The Enigma Enigma: How The Enigma Machine Worked | Steven Dufresne | [
"Engineering",
"Featured",
"History",
"Original Art",
"Security Hacks"
] | [
"alan turing",
"Bletchley",
"cipher machine",
"cryptography",
"enigma",
"enigma machine"
] | To many,
the Enigma machine
is an enigma. But it’s really quite simple. The following is a step-by-step explanation of how it works, from the basics to the full machine.
Possibly the greatest dedicated cipher machine in human history the Enigma machine is a typewriter-sized machine, with keyboard included, that the Ger... | 32 | 14 | [
{
"comment_id": "3929978",
"author": "Kowalski",
"timestamp": "2017-08-22T15:24:15",
"content": "Thank you Poland for breaking it!https://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3930057",
"auth... | 1,760,374,707.438433 | ||
https://hackaday.com/2017/08/22/self-playing-violin-eighth-wonder-of-the-world/ | Self-Playing Violin: Eighth Wonder Of The World | Steven Dufresne | [
"Musical Hacks"
] | [
"kinetic sculpture",
"violin",
"violin bow",
"wintergatan"
] | [Martin], of the YouTube channel [WinterGatan], recently uploaded
a video tour of the Phonoliszt Violina
, an orchestrion, or a machine that plays music that sounds as though an orchestra is playing. The interesting thing about this one is that it plays the violin. At the time of its construction, people weren’t even c... | 22 | 9 | [
{
"comment_id": "3929804",
"author": "Nocturnal",
"timestamp": "2017-08-22T11:02:53",
"content": "By recently you mean 2 weeks ago? This is very cool, especially the first time I saw it…. 2 weeks ago.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3929846",
... | 1,760,374,707.354857 | ||
https://hackaday.com/2017/08/22/laser-etching-pcbs/ | Laser Etching PCBs | Brian Benchoff | [
"Laser Hacks",
"Slider"
] | [
"laser cutter",
"LaserWeb",
"pcb"
] | A while ago, [Marco] mounted a powerful laser diode to a CNC machine in an attempt to etch copper clad board and create a few PCBs. The results weren’t that great, but the technique was promising. In a new experiment, [Marco] purchased a very cheap laser engraver kit from China, and now this technique
looks like it mig... | 63 | 16 | [
{
"comment_id": "3929673",
"author": "nonokopimi",
"timestamp": "2017-08-22T08:08:43",
"content": "I believe that laser cutting shops don’t like to cut copper, as their operators get flash burns from the process. I think it was copper, anyway.",
"parent_id": null,
"depth": 1,
"replies": ... | 1,760,374,707.5335 | ||
https://hackaday.com/2017/08/21/electric-longboard-with-all-new-everything/ | Electric Longboard With All-New Everything | John Baichtal | [
"Transportation Hacks"
] | [
"brushless motor",
"carbon fiber",
"electric longboard"
] | We love [lolomolo]’s Open Source
electric longboard
project. Why? Because he completely re-engineered everything while working on the project all through college. He tackled each challenge, be it electronic or mechanical as it came, and ended up making everything himself.
The 48″ x 13″ deck is a rather unique construct... | 15 | 7 | [
{
"comment_id": "3928749",
"author": "jouni",
"timestamp": "2017-08-22T05:15:00",
"content": "I made a DIY electric longboard same style as this. Used also turnigy motor. On maiden run I got maybe 500m far until a small rock jumped into motors and broke one of the magnets.Good luck without protectin... | 1,760,374,707.66523 | ||
https://hackaday.com/2017/08/21/a-detailed-guide-for-3d-printing-enclosures/ | A Detailed Guide For 3D Printing Enclosures | Michael Uttmark | [
"3d Printer hacks"
] | [
"3D printed enclosure",
"clock",
"display",
"guide",
"temperature",
"tutorial"
] | We’ve all have projects that are done, but not complete. They work, but they’re just a few PCBs wired together precariously on our desks. But fear not!
A true maker’s blog
has gifted us with a detailed step-by-step guide on how to make a project enclosure.
Having purchased an
MP Select Mini 3D Printer
, there was littl... | 39 | 13 | [
{
"comment_id": "3927450",
"author": "askagimp",
"timestamp": "2017-08-22T02:15:57",
"content": "I have never tried a 3d printer before, but they look so cool.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3928154",
"author": "Paul Frazier",
... | 1,760,374,707.607031 | ||
https://hackaday.com/2017/08/21/open-source-modular-rocket-avionics-package/ | Open Source Modular Rocket Avionics Package | John Baichtal | [
"Transportation Hacks"
] | [
"ARM Cortex-M4",
"avionics",
"Cesaroni",
"LTC2975",
"model rocket",
"Pro98",
"rocket",
"rocketry"
] | Cambridge postgraduate student [Adam Greig] helped design a rocket avionics system consisting of a series of disc-shaped PCBs arranged in a stack. There’s a lot that went into the system and you can get a good look at it all through
the flickr album
.
Built with the help of
Cambridge University Spaceflight
, the Martle... | 20 | 10 | [
{
"comment_id": "3926580",
"author": "Ben",
"timestamp": "2017-08-21T23:17:35",
"content": "I built something similar for my under grad dissertation project 4 years ago, Used an Mbed with a cortex M3, on a 2 stage rocket. Pretty much as i’d finished, the Raspberry Pi compute module came out and i th... | 1,760,374,707.772213 | ||
https://hackaday.com/2017/08/21/horizontal-magnetic-levitation-experiments/ | Horizontal Magnetic Levitation Experiments | Inderpreet Singh | [
"hardware",
"Teardown"
] | [
"diy",
"electromagnet",
"levitation",
"teardown"
] | Levitating chairs from the Jetsons still have a few years of becoming a commercial product though they are fun to think about. One such curious inventor, [Conor Patrick], took a deep dive into the world of maglev and came up with a plan to create
a clock with levitating hands
. He shares the first part of his journey t... | 7 | 2 | [
{
"comment_id": "3925828",
"author": "121gw",
"timestamp": "2017-08-21T21:17:55",
"content": "while my back likes the idea of magnetically levitating my chair, what would be the power requirements for this ? I’m going out on a limb here and guess it’s not very feasible..",
"parent_id": null,
... | 1,760,374,707.708928 | ||
https://hackaday.com/2017/08/21/hackaday-prize-entry-mappydot-a-micro-smart-lidar-sensor/ | Hackaday Prize Entry: MappyDot, A Micro Smart LiDAR Sensor | Donald Papp | [
"hardware",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"atmega",
"atmega328",
"bus",
"distance sensor",
"i2c",
"laser",
"lidar",
"MappyDot",
"open source",
"sensor",
"TOF",
"VL53L0X"
] | [Blecky]’s entry to the Hackaday Prize is
MappyDot
, a tiny board less than a square inch in size that holds a VL53L0X time-of-flight distance sensor and can measure distances of up to 2 meters.
MappyDot is more than just a breakout board; the ATMega328PB microcontroller on each PCB provides filtering, an easy to use ... | 41 | 10 | [
{
"comment_id": "3925715",
"author": "Perry",
"timestamp": "2017-08-21T19:07:31",
"content": "Very nice job.Good luck on sales.I like the concept of the device.I think I’ll keep a eye on this. I can see some uses as time goes on.Keep up the good work.",
"parent_id": null,
"depth": 1,
"re... | 1,760,374,708.213784 | ||
https://hackaday.com/2017/08/21/living-logic-biological-circuits-for-the-electrically-minded/ | Living Logic: Biological Circuits For The Electrically Minded | Michael Uttmark | [
"Engineering",
"Featured",
"Lifehacks",
"Original Art",
"Slider"
] | [
"biological circuit",
"biology",
"dna",
"gene editing",
"living logic",
"logic",
"logic gates",
"ring oscillator"
] | Did you know you can build fundamental circuits using biological methods? These aren’t your average circuits, but they work just like common electrical components. We talk alot about normal silicon and copper circuits ‘roud here, but it’s time to get our hands wet and see what we can do with the power of life!
In 1703,... | 18 | 11 | [
{
"comment_id": "3925675",
"author": "Kaliin",
"timestamp": "2017-08-21T17:46:23",
"content": "I thought that “bio-circuit” was only a lab thing, difficult to do at home, so yes, a big yes for getting started articles!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment... | 1,760,374,708.13195 | ||
https://hackaday.com/2017/08/21/amphibious-houseboat-hits-the-open-road/ | Amphibious Houseboat Hits The Open Road | Adam Fabio | [
"Transportation Hacks"
] | [
"amphibious",
"conversion",
"diy",
"houseboat"
] | What’s better than having your own houseboat?
How about an amphibious houseboat
? That’s exactly what [Theon Parseghian] is building in his driveway. It all started with a derelict 32-foot long houseboat. A 1967 model with a rusted steel hull, [Theon] originally bought it as a guest house.
[Theon] couldn’t let the boat... | 13 | 8 | [
{
"comment_id": "3925594",
"author": "Angus",
"timestamp": "2017-08-21T15:48:07",
"content": "That’s amazing. Great build! I hope it works in the water.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3925647",
"author": "Ren",
"timestamp": "2017-08-21T... | 1,760,374,708.051866 | ||
https://hackaday.com/2017/08/21/monoprice-mini-delta-review/ | Monoprice Mini Delta Review | Brian Benchoff | [
"3d Printer hacks",
"Engineering",
"Featured",
"Reviews",
"Slider"
] | [
"3d printer",
"delta printer",
"mini delta",
"Monoprice",
"MP Mini Delta",
"review"
] | For the last year or so, Monoprice has been teasing their follow-up to the fantastic $200 MP Select Mini. This is the $150 mini delta printer.
We got a look at it last January at CES
, it was on display at the
Bay Area Maker Faire last May
. Now there’s one on the Hackaday review desk.
Over the last few years, 3D print... | 82 | 25 | [
{
"comment_id": "3925538",
"author": "Greg",
"timestamp": "2017-08-21T14:28:11",
"content": "How available is Monoprice stuff in Europe? Did the first printer have official importers? (If not, I guess with $150 price tax and fees should be manageable as well)",
"parent_id": null,
"depth": 1,... | 1,760,374,708.35821 | ||
https://hackaday.com/2017/08/19/reamer-regrinding-using-a-toolpost-spindle/ | Reamer Regrinding Using A Toolpost Spindle | John Baichtal | [
"hardware",
"Tool Hacks"
] | [
"lathe",
"reamer",
"spindle"
] | How often have you wished you could reduce the size of a drillbit? [Ben Katz] has a bunch of projects in mind that use a tight-tolerance 22mm bore–but he didn’t have a 22mm reamer handy. Rather than buy one, he thought, why not
regrind a larger one to the right size
?
He first ground down the shank to fit in the lathe’... | 16 | 7 | [
{
"comment_id": "3923906",
"author": "arthurptj",
"timestamp": "2017-08-19T18:53:43",
"content": "In a three jaw??!?? also next time make sure to cover your ways with something, the abrasive from the tool post grinder will destroy them.",
"parent_id": null,
"depth": 1,
"replies": [
... | 1,760,374,708.628418 | ||
https://hackaday.com/2017/08/19/logic-gates-under-air-pressure/ | Logic Gates Under (Air) Pressure | Al Williams | [
"News"
] | [
"3d printing",
"fluidics",
"pneumatic"
] | We’ve always been fascinated at the number of ways logic gates can spring into being. Sure, we think of logic gates carrying electrons, but there are so many other mechanical means to do the same thing. Another method that sometimes has a practical use is fluidic or pneumatic logic. We guess [dAcid] has a similar inter... | 10 | 10 | [
{
"comment_id": "3923605",
"author": "Ostracus",
"timestamp": "2017-08-19T14:18:25",
"content": "Car transmission. Microfluidics are also used in the biological field.https://www.revolvy.com/topic/Fluidigm&uid=1575",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id":... | 1,760,374,708.794292 | ||
https://hackaday.com/2017/08/19/project-kino-robotic-jewelry-and-tech-accessory/ | Project Kino: Robotic Jewelry And Tech Accessory | James Hobson | [
"Robots Hacks",
"Wearable Hacks"
] | [
"accessory",
"Assistant",
"clothing",
"fashion",
"kinetic",
"Kino",
"Personal",
"Tech"
] | Researchers from MIT and Stanford are taking the ‘person’ in ‘personal assistant’ to mean something more literal with these robots that
scurry around on the user’s clothing
.
Project Kino — inspired by
living jewelry
— are robotic accessories that use magnetic gripping wheels on both sides of the clothing to move about... | 11 | 9 | [
{
"comment_id": "3923447",
"author": "k-ww",
"timestamp": "2017-08-19T12:09:59",
"content": "The first thing I thought of when I saw this was of a sci-fi story where the people wore spider like creatures that constantly re-wove the clothes they were wearing.",
"parent_id": null,
"depth": 1,
... | 1,760,374,708.529018 | ||
https://hackaday.com/2017/08/19/fresh-pressed-clothes-courtesy-of-teo-the-iron-man/ | Fresh-Pressed Clothes Courtesy Of TEO, The Iron Man | James Hobson | [
"home hacks",
"Robots Hacks"
] | [
"iron",
"laundry",
"Man Ironing",
"Wrinkle"
] | As with many tasks, robots may soon be ironing our clothes for us before we leave for work. Built by a team from the University Carlos III de Madrid’s robotics lab in Getafe, Spain, TEO is a highly articulated robot, that can climb stairs, open doors, and has recently
added ironing to its skill set
.
Data from a depth-... | 13 | 8 | [
{
"comment_id": "3923236",
"author": "trevor",
"timestamp": "2017-08-19T08:28:46",
"content": "Robots may soon take over our planet. Watch out.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3923681",
"author": "ganzuul",
"timestamp": "2017-0... | 1,760,374,708.575128 | ||
https://hackaday.com/2017/08/18/its-an-angle-grinder-no-its-a-floor-sander/ | It’s An Angle Grinder! No, It’s A Floor Sander! | Dan Maloney | [
"Tool Hacks"
] | [
"angle grinder",
"drill",
"Floor Sander",
"gear box",
"grinder",
"rotor"
] | Faced with the potentially arduous task of sanding a wood floor, what would you do? Hire a pro? Rent the proper tools and do it yourself? Perhaps even shell out big bucks to buy professional grade tools? Or would you root around in your junk pile and slap together
a quick and dirty floor sander from an old angle grinde... | 21 | 10 | [
{
"comment_id": "3923093",
"author": "pelrun",
"timestamp": "2017-08-19T05:59:37",
"content": "Sand the floor. Paint the fence. Wax on, wax ooaaaaAAAAHHHHHHHHHHHHHHHHHHHHHHHHHH!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3923146",
"author": "Ostracus",... | 1,760,374,708.743215 | ||
https://hackaday.com/2017/08/18/picorder-raspberry-pi-stands-in-for-stone-knives-and-bearskins/ | PiCorder: Raspberry Pi Stands In For Stone Knives And Bearskins | Al Williams | [
"Raspberry Pi",
"Toy Hacks"
] | [
"pi sense hat",
"picorder",
"raspberry pi",
"star trek",
"Star Trek: TOS",
"toy hack",
"tricorder"
] | In a classic episode of Star Trek, Spock attempts to get data from a tricorder while stuck in the 1930s using what he described as “stone knives and bearskins.” In reality, he used vacuum tubes, several large coils, and a Jacob’s ladder. Too bad they weren’t in the year 2017. Then Spock could have done like [Directive0... | 26 | 6 | [
{
"comment_id": "3922804",
"author": "Ostracus",
"timestamp": "2017-08-19T03:12:46",
"content": "“We live in a world where hoverboards don’t hover and AI assistants aren’t really that smart. ”And baby oil doesn’t come from babies. What’s our world coming to?",
"parent_id": null,
"depth": 1,
... | 1,760,374,708.691028 | ||
https://hackaday.com/2017/08/18/apples-secure-enclave-processor-sep-firmware-decyrpted/ | Apple’s Secure Enclave Processor (SEP) Firmware Decrypted | Jack Laidlaw | [
"iphone hacks",
"Security Hacks"
] | [
"apple iphone",
"coprocessor",
"decryption",
"iphone hack",
"SoC",
"touch id"
] | The
decryption key for Apple’s Secure Enclave Processor (SEP) firmware Posted Online
by self-described “ARM64 pornstar” [xerub]. SEP is the security co-processor introduced with the iPhone 5s which is when touch ID was introduced. It’s a black box that we’re not supposed to know anything about but [xerub] has now pulle... | 14 | 5 | [
{
"comment_id": "3922562",
"author": "don",
"timestamp": "2017-08-18T23:23:37",
"content": "DECYRPTED DECRYPTED",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3922728",
"author": "Mike Szczys",
"timestamp": "2017-08-19T02:17:04",
"con... | 1,760,374,708.844741 | ||
https://hackaday.com/2017/08/21/credit-card-sized-spacecraft-poised-to-sail-to-alpha-centauri/ | Credit Card Sized Spacecraft Poised To Sail To Alpha Centauri | Dan Maloney | [
"Misc Hacks"
] | [
"Alpha Centauri",
"galactic",
"nanobot",
"Proxima B",
"solar sail",
"space",
"spacecraft",
"sprite",
"wafercraft"
] | As a space-faring species, we’ve done a fair job of exploring and exploiting our local neighborhood. We’re pretty good at putting people and machines into orbit, but our galactic-scale signature is pretty tiny. Our radio signals are no more than 100 light-years away, and our farthest physical artifact isn’t even a ligh... | 77 | 16 | [
{
"comment_id": "3925366",
"author": "Mike Aberle",
"timestamp": "2017-08-21T11:15:07",
"content": "A spacecraft built 20 years from now will shoot right by it. There really is no point in traveling 20 percent of the speed of light. It is pathetically slow.",
"parent_id": null,
"depth": 1,
... | 1,760,374,708.955403 | ||
https://hackaday.com/2017/08/21/this-6502-computer-project-is-a-work-of-art/ | This 6502 Computer Project Is A Work Of Art | Jenny List | [
"classic hacks",
"computer hacks"
] | [
"6502",
"8 bit",
"8-bit computers",
"retrocomputer",
"retrocomputing"
] | If you were a home constructor in the 8-bit era, the chances are that if you built a microcomputer system you would have ended up with a bare printed circuit board and a terminal. If you were on a budget you might have had a piece of stripboard as well, or maybe even wire-wrap. Beautiful cases were out of reach, they c... | 30 | 11 | [
{
"comment_id": "3925252",
"author": "Adam",
"timestamp": "2017-08-21T08:26:48",
"content": "Awesome as!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3925369",
"author": "Mike Aberle",
"timestamp": "2017-08-21T11:16:51",
"content": "Please. It lo... | 1,760,374,709.019346 | ||
https://hackaday.com/2017/08/20/forget-troy-try-helenos/ | Forget Troy. Try HelenOS | Al Williams | [
"ARM",
"Raspberry Pi",
"Software Hacks"
] | [
"helenos",
"microkernel",
"operating system"
] | Even though it seems like there are a lot of operating system choices, the number narrows if you start counting kernels, instead of distributions. Sure, Windows is clearly an operating system family, and on the Unix-like side, there is Linux and BSD. But many other operating systems–Ubuntu, Fedora, Raspian–they all der... | 17 | 7 | [
{
"comment_id": "3925142",
"author": "Ostracus",
"timestamp": "2017-08-21T05:03:05",
"content": "Mach.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3925145",
"author": "Marty",
"timestamp": "2017-08-21T05:10:57",
"content": "Why not... | 1,760,374,710.897215 | ||
https://hackaday.com/2017/08/20/dps5005-makes-digital-power-supply-a-snap/ | DPS5005 Makes Digital Power Supply A Snap | Al Williams | [
"Tool Hacks"
] | [
"power supply",
"power supply module",
"switch mode power supply"
] | Few pieces of gear are more basic to electronics than some kind of power supply. It might be a box of batteries, or it might be a high-end lab supply. [Andreas] took a DPS5005 power supply module that has USB and Bluetooth and used it to build a
very capable switching power supply
which he then used to build a source m... | 14 | 7 | [
{
"comment_id": "3925132",
"author": "Garbz",
"timestamp": "2017-08-21T04:43:22",
"content": "Unable to view the video right now but has anyone ever checked these things with a scope and a decent load on them, or even no load?Just because something produces voltage with a certain current capacity do... | 1,760,374,711.24318 | ||
https://hackaday.com/2017/08/20/hackaday-links-august-20-2017/ | Hackaday Links: August 20, 2017 | Brian Benchoff | [
"Hackaday Columns",
"Hackaday links"
] | [
"apollo",
"Apollo Lunar Module",
"DSKY",
"eclipse",
"fran",
"MP Mini Delta"
] | Foam core, dollar tree foam board, Adams foam board, or whatever we’re calling a thin sheet of foam sandwiched between two pieces of poster board, is an invaluable hacker’s tool. Everyone should have a few sheets on hand, and not just because each sheet is a dollar each at any Dollar Store. [Eric] has been working on a... | 20 | 4 | [
{
"comment_id": "3925032",
"author": "Red Stapler",
"timestamp": "2017-08-21T01:04:54",
"content": "The LEM may or may not have been the first space-only spacecraft, but it wasn’t the only one. The Soviets had their own lunar program, including the LK lunar lander (https://en.wikipedia.org/wiki/LK_(... | 1,760,374,711.043263 | ||
https://hackaday.com/2017/08/20/hackaday-prize-entry-saferanger-a-roving-power-plant-monitor/ | Hackaday Prize Entry: SafeRanger, A Roving Power Plant Monitor | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"gas",
"inspection",
"rover"
] | Engineering student [Varun Suresh] designed his
SafeRanger rover
to inspect oil and gas power plants for abnormal temperatures as well as gas leaks. The rover explores critical areas of the factory, and data is sent to a control center for analysis.
[Varun] built his robot around a Devastator chassis kit from DFRobot, ... | 11 | 6 | [
{
"comment_id": "3924858",
"author": "askagimp",
"timestamp": "2017-08-20T20:07:18",
"content": "That sounds very interesting.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3924885",
"author": "moot-rasta",
"timestamp": "2017-08-20T20:39:50",
"con... | 1,760,374,710.985407 | ||
https://hackaday.com/2017/08/20/dont-miss-watching-this-solar-eclipse-high-altitude-balloon-online/ | Don’t Miss Watching This Solar Eclipse High Altitude Balloon Online | Donald Papp | [
"gps hacks",
"Radio Hacks"
] | [
"amateur radio",
"Ballloon",
"citizen science",
"eclipse",
"gps",
"high altitude balloon",
"high altitude research",
"solar eclipse"
] | [Dan Julio] let us know about an exciting project that he and his team are working on at the Solid State Depot Makerspace in Boulder: the
Solar Eclipse High Altitude Balloon
. Weighing in at 1 kg and bristling with a variety of cameras, the balloon aims to catch whatever images are able to be had during the solar eclip... | 8 | 3 | [
{
"comment_id": "3924827",
"author": "Paul",
"timestamp": "2017-08-20T18:26:10",
"content": "That would be MDT zone, no? (UTC-6, not UTC-7)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3924896",
"author": "Donald Papp",
"timestamp": "2017-0... | 1,760,374,710.798003 | ||
https://hackaday.com/2017/08/20/a-digital-lcd-makeover-for-an-analogue-crt-spectrum-analyser/ | A Digital LCD Makeover For An Analogue CRT Spectrum Analyser | Jenny List | [
"Tool Hacks"
] | [
"HP 141",
"spectrum analyser",
"stm32",
"stm32 discovery"
] | [Seb Holzapfel, VK2SEB] has a rather nice spectrum analyser, a Hewlett Packard 141T. It’s an entirely analogue instrument though, so it lacks some of the sophisticated features you might expect to see on its modern counterparts.
One feature the HP does have is a vertical deflection output that in effect allows the trac... | 9 | 7 | [
{
"comment_id": "3924683",
"author": "2ftg",
"timestamp": "2017-08-20T14:15:32",
"content": "Now this is interesting.I too have a HP 8555A and I was thinking about something along the same lines, but for transferring hard copies to a computer.Yet to find the preselector option for cheap nor the trac... | 1,760,374,710.841265 | ||
https://hackaday.com/2017/08/20/how-to-eclipse-when-all-you-have-is-a-welding-helmet/ | How To Eclipse When All You Have Is A Welding Helmet | Rich Hawkes | [
"LED Hacks"
] | [
"eclipse",
"Eclipse 2017",
"ir led",
"solar eclipse",
"welding helmet"
] | What do you do if you don’t trust cheap eclipse-watching glasses from the internet? What about if everyone’s sold out? Well, if you want to watch the eclipse and you have an auto-darkening welding helmet, you can do what [daniel_reetz] did and
hack something together with a remote and your welding helmet
to let you see... | 86 | 23 | [
{
"comment_id": "3924606",
"author": "Blufires",
"timestamp": "2017-08-20T11:31:49",
"content": "He didn’t even explain why he couldn’t just look at the sun with that left hand sensor covered.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3924621",
... | 1,760,374,711.361662 | ||
https://hackaday.com/2017/08/20/analysing-3d-printer-songs-for-hacks/ | Analysing 3D Printer Songs For Hacks | Inderpreet Singh | [
"3d Printer hacks"
] | [
"3d printer",
"cyber",
"cyber-physical",
"hack",
"security"
] | 3D printers have become indispensable in industry sectors such as biomedical and manufacturing, and are deployed as what is termed as a 3D print farm. They help reduce production costs as well as time-to-market. However, a hacker with access to these manufacturing banks can introduce defects such as microfractures and ... | 8 | 5 | [
{
"comment_id": "3924693",
"author": "Gravis",
"timestamp": "2017-08-20T14:27:18",
"content": "Reasons to not use Windows #2308942",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3924774",
"author": "dahud",
"timestamp": "2017-08-20T16:45:25",
"cont... | 1,760,374,711.08367 | ||
https://hackaday.com/2017/08/19/stun-gun-vs-220v-mains-electricity/ | Stun Gun Vs 220v Mains Electricity | Jack Laidlaw | [
"home hacks"
] | [
"crazy",
"electric surge",
"kreosan",
"mains electricity",
"stun gun",
"stun guns"
] | Those fearless Ukrainians are at it again! This time around they’re giving wall outlets some high voltage stun gun shocks and observing the results, as [Kreosan] decided to see what would happen when you
use a stun gun on mains electrical sockets
. Surprisingly, they are still alive and well, and creating more videos. ... | 20 | 8 | [
{
"comment_id": "3924423",
"author": "joe",
"timestamp": "2017-08-20T05:11:39",
"content": "At first i thought it may be a hoax, but i think it makes sense. It seems to do the same thing as a photo flash circuit; you have a capacitor charged to 330V with enough current for a flash, but not enough vo... | 1,760,374,711.417826 | ||
https://hackaday.com/2017/08/19/embiggen-your-eclipse-2017-experience-with-a-sun-funnel/ | Embiggen Your Eclipse 2017 Experience With A Sun Funnel | Dan Maloney | [
"Misc Hacks"
] | [
"Eclipse 2017",
"eyepiece",
"funnel",
"objective",
"primary",
"projection",
"projector",
"screen",
"secondary",
"telescope"
] | As exciting as Eclipse 2017 is going to be this Monday, for some folks it might appear a bit — underwhelming. Our star only occupies about half a degree of the sky, and looking at the partial phase with eclipse glasses might leave you yearning for a bigger image. If that’s you, you’ll need to build
a sun funnel for sup... | 7 | 4 | [
{
"comment_id": "3924290",
"author": "Ostracus",
"timestamp": "2017-08-20T02:15:00",
"content": "If anyone asks about the box, just say you’re pretending to be a Minecraft character.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3924416",
"author": ... | 1,760,374,710.938525 | ||
https://hackaday.com/2017/08/19/make-a-badge-when-there-is-no-badge-yet/ | Make A Badge When There Is No Badge Yet | Jenny List | [
"cons"
] | [
"badge",
"badge hacking",
"badge hacks",
"badgelife",
"sha2017"
] | What do you do when your keenly anticipated hacker camp releases details of its upcoming badge and you really want to have a go at coding for it, but there are no badges for you to try yet? If you are [Artdanion], this is not a problem,
you simply build your own
.
He found his requirement to interface with genuine hard... | 10 | 3 | [
{
"comment_id": "3924176",
"author": "Sebastius",
"timestamp": "2017-08-19T23:55:20",
"content": "“Meanwhile this home-made badge is a neat achievement, and we can only imagine the surprise of the SHA2017 badge team on being presented with a clone of their work for reflashing.”Well we talked way bef... | 1,760,374,711.716066 | ||
https://hackaday.com/2017/08/19/hackaday-prize-entry-engine-control-units-and-arduinos/ | Hackaday Prize Entry: Engine Control Units And Arduinos | Brian Benchoff | [
"Engine Hacks",
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"ecu",
"engine control unit",
"miata"
] | The modern internal combustion engine is an engineering marvel. We’re light-years ahead of simple big blocks and carburetors, and now there are very fast, very capable computers sensing adjusting the spark timing, monitoring the throttle position, and providing a specific amount of power to the wheels at any one time. ... | 66 | 9 | [
{
"comment_id": "3924014",
"author": "Phrewfuf",
"timestamp": "2017-08-19T20:53:42",
"content": "“The Speeduino is designed to do everything an engine control unit can do, including rev limiting (although if you’re building your own ECU, why?)”1: Engines can only rotate at a certain maximum RPM. Bey... | 1,760,374,711.815071 | ||
https://hackaday.com/2017/08/18/live-stream-to-youtube-by-pointing-a-box-and-pressing-a-button/ | Live Stream To YouTube By Pointing A Box And Pressing A Button | Donald Papp | [
"digital cameras hacks",
"how-to",
"Raspberry Pi"
] | [
"camera",
"diy",
"raspberry pi",
"software",
"streaming",
"touchscreen",
"youtube"
] | YouTube has the ability to do live streaming, but [Tinkernut] felt that the process could be much more straightforward. From this desire to streamline was born the
Raspberry Pi based YouTube live streaming camera
. It consists of a Raspberry Pi with some supporting hardware and it has one job: to make live streaming as... | 12 | 5 | [
{
"comment_id": "3922168",
"author": "Lars R.",
"timestamp": "2017-08-18T21:41:04",
"content": "Similar device, but with HighRes display:https://www.youtube.com/watch?v=1RJfinvFBiE",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3922176",
"author": "gir / [... | 1,760,374,711.916312 | ||
https://hackaday.com/2017/08/18/hackaday-prize-entry-archelon-rov-explores-the-ocean/ | Hackaday Prize Entry: Archelon ROV Explores The Ocean | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"PVC",
"rov"
] | Acendtech Robotics is a 4H robotics club located in Freehold, NJ, and their centerpiece project is the Archelon, an
underwater drone they built out of PVC pipes
. It’s also a Hackaday Prize entry designed to monitor marine traffic, the seabed, piers, jetties, and other underwater constructions.
The Archelon uses eight ... | 17 | 6 | [
{
"comment_id": "3921094",
"author": "Harvie.CZ",
"timestamp": "2017-08-18T18:36:34",
"content": "I hate these posts which only have hackaday.io link. No video, no photos, just promises. It’s like kickstarter :-D",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id":... | 1,760,374,711.871195 | ||
https://hackaday.com/2017/08/18/retrotechtacular-olivetti-net3/ | Retrotechtacular: Olivetti Net3 | Jenny List | [
"History",
"Phone Hacks",
"Retrotechtacular",
"Slider"
] | [
"cordless phone",
"cordless telephone",
"DECT",
"net3",
"olivetti",
"wireless networking"
] | If you sign up for a European hacker camp such as CCC Camp in Germany or SHA Camp in the Netherlands, you’ll see among the items recommended to take with you, a DECT handset. DECT, or Digital Enhanced Cordless Telecommunications, refers to the set of standards that lie behind the digital cordless telephones that are ub... | 24 | 14 | [
{
"comment_id": "3920650",
"author": "Ren",
"timestamp": "2017-08-18T17:25:40",
"content": "DECT is still popular in the US for cordless phones, as this Staples page shows:https://www.staples.com/dect/directory_dect?fids=Department_3A_22Phones_22",
"parent_id": null,
"depth": 1,
"replies... | 1,760,374,712.028551 | ||
https://hackaday.com/2017/08/18/latskap-semi-automatic-liquor-cabinet/ | Latskap Semi-Automatic Liquor Cabinet | Cameron Coward | [
"Beer Hacks"
] | [
"arduino",
"cabinet",
"liquor",
"raspberry pi"
] | A well-stocked liquor cabinet is a necessity for the classy gentleman or gentlelady who likes to entertain. Having the proper spirits and mixers on hand to make anything from a martini to a sidecar is always a solid way to ensure guests have a good time at your cocktail party. In the past, a beautifully crafted cherry ... | 9 | 8 | [
{
"comment_id": "3920602",
"author": "Mike",
"timestamp": "2017-08-18T17:05:25",
"content": "Simple solutions are always the best! I like this idea as it is user friendly and not that complex yet solves the issue of mixing the correct amounts into ones drink.It also has the added bonus of no complex... | 1,760,374,711.961451 | ||
https://hackaday.com/2017/08/18/lasering-axonometric-fonts/ | Lasering Axonometric Fonts | John Baichtal | [
"Featured",
"Laser Hacks",
"Skills"
] | [
"axonometric",
"axonometric grid",
"fabrication",
"fonts",
"inkscape",
"lettering",
"signage",
"signs"
] | I am something of an Inkscape fan. If you’re not familiar with the application, it’s like an Open Source version of Adobe Illustrator. Back when I was a production artist I’d been an Illustrator master ninja but it’s been four years and my skills are rusty. Plus, Inkscape is just enough different in terms of menus and ... | 15 | 9 | [
{
"comment_id": "3920117",
"author": "Internet",
"timestamp": "2017-08-18T14:04:20",
"content": "It is possible to automate much of this with a script?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3920183",
"author": "John Baichtal",
"times... | 1,760,374,712.084692 | ||
https://hackaday.com/2017/08/18/fool-giants-with-novelty-sized-gold-bricks/ | Fool Giants With Novelty-Sized Gold Bricks | John Baichtal | [
"Misc Hacks"
] | [
"gold",
"insulation",
"prop making"
] | If you ever wondered how to make a giant-sized gold bar out of sheets of pink household insulation, well, there is a video showing you the steps. YouTube workshop guru [Jimmy DiResta] built oversized
prop gold bricks
out of foam. He cut sheets of 1.5″ Owens Corning foam insulation on his Saw Stop, making angled edges o... | 25 | 7 | [
{
"comment_id": "3919515",
"author": "snow",
"timestamp": "2017-08-18T12:09:41",
"content": "that’s pretty cool and all but why would you want one of those? is it one of those “because i can” article again?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3919... | 1,760,374,712.200594 | ||
https://hackaday.com/2017/08/18/catch-the-eclipse-with-a-wearable-pinhole-camera/ | Catch The Eclipse With A Wearable Pinhole Camera | Dan Maloney | [
"Misc Hacks",
"Wearable Hacks"
] | [
"camera obscura",
"Eclipse 2017",
"eclipse glasses",
"eye safety",
"pinhole camera"
] | You say you didn’t have enough warning to order eclipse glasses, and now they’re too expensive to buy? Or maybe you did order some but they ended up being those retina-combusting knock-offs, and now you’ve got nothing to protect you during the partial phase of Monday’s eclipse? Don’t dump a ton of money on unobtainium ... | 18 | 11 | [
{
"comment_id": "3918086",
"author": "RoGeorge",
"timestamp": "2017-08-18T08:18:27",
"content": "Brilliant implementation, but then, what will be left to see for everybody else?:o)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3919030",
"author": "t... | 1,760,374,712.14111 | ||
https://hackaday.com/2017/08/17/power-planer-brought-back-to-life/ | Power Planer Brought Back To Life | Bryan Cockfield | [
"Tool Hacks"
] | [
"dumpster diving",
"planer",
"power",
"repair diving",
"tool"
] | Having the right tool for the right job is not always possible, but it’s an ideal that’s nice to try to live up to. The problem is that a lot of the time, the right tool is often very expensive. We have found lots of ways around this, though, from building our own CNC machines to finding new ways to electroplate metal.... | 14 | 5 | [
{
"comment_id": "3917946",
"author": "Precious Mettle",
"timestamp": "2017-08-18T07:53:52",
"content": "I pulled a Bosch blue tool case out from under some broken tiles in a skip whilst on a run one night, to find a $800 Bosch rotary hammer inside, with a mess of duct tape around the cord and gland,... | 1,760,374,712.249601 | ||
https://hackaday.com/2017/08/17/new-method-for-measuring-lots-of-resistors-using-very-few-wires/ | New Method For Measuring Lots Of Resistors Using Very Few Wires | Michael Uttmark | [
"hardware"
] | [
"charlieplexing",
"conductometric sensors",
"linear algebra",
"math",
"multiplexing",
"resistors",
"systems of equations"
] | [Daqq] is
back at it again with the linear algebra
, and he’s now come up with a method for determining the resistance of lots of resistors using little of wires and loads of math.
Like any reasonable person, [daqq] decided it would be fun to “solve one of those nasty [electrical engineering] puzzles/exercises where yo... | 16 | 2 | [
{
"comment_id": "3916791",
"author": "daqq",
"timestamp": "2017-08-18T04:17:17",
"content": "Thank you for the mention :) A bit of a correction – the ATMega32 is used only as the measurement system – it pretty much just sets the GPIOs, measures the voltages and sends the data to the computer – that ... | 1,760,374,712.544581 | ||
https://hackaday.com/2017/08/17/crowdsourcing-the-study-of-an-eclipses-effect-on-radio-propagation/ | Crowdsourcing The Study Of An Eclipse’s Effect On Radio Propagation | Jenny List | [
"News",
"Radio Hacks"
] | [
"atmosphere",
"Eclipse 2017",
"radio",
"radio propagation",
"wwvb"
] | If you are an American, you’ll probably now find yourself in one of three camps. People who are going to see the upcoming solar eclipse that will traverse your continent, people who aren’t going to see the eclipse, and people who wish everyone would just stop going on incessantly about the damn eclipse.
Whichever of th... | 23 | 6 | [
{
"comment_id": "3915265",
"author": "Ostracus",
"timestamp": "2017-08-17T23:08:57",
"content": "Think an SDR would be easier?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3915337",
"author": "Fred",
"timestamp": "2017-08-17T23:20:53",
... | 1,760,374,712.388979 | ||
https://hackaday.com/2017/08/17/wearable-superconductors/ | Wearable Superconductors | Adam Fabio | [
"Wearable Hacks"
] | [
"jewelry",
"lathe",
"niobium",
"ring",
"superconducting wire",
"superconductor",
"titanium",
"wearable"
] | What do you do with a discarded bit of superconducting wire? If you’re
[Patrick Adair], you turn it into a ring
.
Superconducting wire has been around for decades now. Typically it is a thick wire made up of strands of titanium and niobium encased in copper. Used sections of this wire show up on the open market from ti... | 34 | 9 | [
{
"comment_id": "3914238",
"author": "SQ2KTN",
"timestamp": "2017-08-17T20:03:47",
"content": "Hmm, my wrist would suffer from frostbite if I had an actually superconducting ring",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3914278",
"author": "byn... | 1,760,374,712.803607 | ||
https://hackaday.com/2017/08/17/hackaday-prize-entry-inspectorbot-aims-to-look-underneath/ | Hackaday Prize Entry: InspectorBot Aims To Look Underneath | John Baichtal | [
"The Hackaday Prize"
] | [
"2017 Hackaday Prize",
"inspector",
"raspberry pi",
"rover"
] | Why bother crawling into that tiny sewer tunnel and getting coated in Cthulhu knows what — not to mention possibly getting stuck — when you can roll a robot in there instead?
That’s what InspectorBot does
. It’s [Dennis]’ entry for The Hackaday Prize and a finalist for our Best Product competition.
InspectorBot is a lo... | 8 | 4 | [
{
"comment_id": "3913734",
"author": "Will",
"timestamp": "2017-08-17T18:37:21",
"content": "Doesn’t something like this already exist?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3914118",
"author": "English Teacher",
"timestamp": "2017-0... | 1,760,374,712.590004 | ||
https://hackaday.com/2017/08/17/fail-of-the-week-case-of-the-ill-advised-ground/ | Fail Of The Week: How Not To Repair A MagSafe Charging Cable | John Baichtal | [
"Fail of the Week",
"Peripherals Hacks"
] | [
"broken cable",
"fix broken magsafe",
"magsafe",
"power cable",
"soldering"
] | So I made an awful, kludgey, “there I fixed it” level repair, and I need to come clean. This is really a case of an ill-advised ground.
My thirteen-year-old daughter asked for help repairing her Macbook charging cable. Macbook chargers really aren’t meant to flex around a lot, and if you’re the kind of person who uses ... | 90 | 24 | [
{
"comment_id": "3913609",
"author": "Yann Guidon / YGDES",
"timestamp": "2017-08-17T17:06:56",
"content": "The first error was to use an Apple product :-P",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3913611",
"author": "gregkennedy",
"tim... | 1,760,374,712.938249 | ||
https://hackaday.com/2017/08/17/secret-serial-port-for-arduinoesp32/ | Secret Serial Port For Arduino/ESP32 | Al Williams | [
"Arduino Hacks",
"ARM"
] | [
"arduino",
"ESP32",
"serial port"
] | If you use the Arduino IDE to program the ESP32, you might be interested in [Andreas Spiess’]
latest video
(see below). In it, he shows an example of using all three ESP32 UARTs from an Arduino program. He calls the third port “secret” although that’s really a misnomer. However, it does require a quick patch to the Ard... | 19 | 8 | [
{
"comment_id": "3913168",
"author": "jawnhenry",
"timestamp": "2017-08-17T15:48:17",
"content": "You fall for all those “Windows Secrets” books, don’t you?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3915476",
"author": "darkspr1te",
"tim... | 1,760,374,712.721582 | ||
https://hackaday.com/2017/08/17/living-on-mars-the-stuff-you-never-thought-about/ | Living On Mars: The Stuff You Never Thought About | Steven Dufresne | [
"Engineering",
"Featured",
"Original Art"
] | [
"atmosphere",
"grounding",
"mars",
"radioisotope thermoelectric generator",
"regolith",
"solar panel cleaning",
"solar panels",
"space suit",
"underground",
"water"
] | In
The Martian
we saw what kind of hacking was needed to stay alive for a relatively short while on Mars, but what if you were trying to live there permanently? Mars’ hostile environment would affect your house, your transportation, even how you communicate. So here’s a fun thought experiment about how you’d live on Ma... | 123 | 33 | [
{
"comment_id": "3912600",
"author": "Ostracus",
"timestamp": "2017-08-17T14:16:09",
"content": "“Mars is also dusty. That dust blowing around can charge space suits, vehicles, and parts of houses not covered in regolith. This is due to the triboelectric effect and is the same thing that happens whe... | 1,760,374,713.107741 | ||
https://hackaday.com/2017/08/17/multiple-monitors-with-multiple-pis/ | Multiple Monitors With Multiple Pis | Brian Benchoff | [
"Raspberry Pi"
] | [
"digital signage",
"raspberry pi",
"video wall"
] | One of the most popular uses for the Raspberry Pi in a commercial setting is video walls, digital signage, and media players. Chances are, you’ve probably seen a display or other glowing rectangle displaying an advertisement or tweets, powered by a Raspberry Pi. [Florian] has been working on a project called info-beame... | 26 | 9 | [
{
"comment_id": "3911978",
"author": "CB4",
"timestamp": "2017-08-17T12:25:12",
"content": "oh wow my spaceship cockpit will get a lot better",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3913654",
"author": "Ren",
"timestamp": "2017-08-17T1... | 1,760,374,713.271478 | ||
https://hackaday.com/2017/08/17/krave-antweight-robot-gets-eaten-and-stays-alive/ | Krave Antweight Robot Gets Eaten And Stays Alive | Steven Dufresne | [
"Robots Hacks"
] | [
"battlebot",
"battlebots",
"radio control",
"robot"
] | The battle’s are done and the results are in — [AltaPowderDog]’s, aka [Carter Hurd],
cardboard and foam armor, lightweight Krave robot
beat its metal cousins in 2016 and fared well in 2017. How did a cardboard Krave cereal box and foam board robot do that you ask? The cardboard and foam outer structure was sliced, smas... | 8 | 3 | [
{
"comment_id": "3911066",
"author": "Anonymous",
"timestamp": "2017-08-17T09:50:26",
"content": "I’d love to see a battle robot competition that requires the entire robot to be built out of foam core, corrugated plastic (think political signs) and cardboard. Maybe weapons can be made out of aluminu... | 1,760,374,713.209648 | ||
https://hackaday.com/2017/08/16/wield-the-power-of-molten-metal/ | Wield The Power Of Molten Metal | James Hobson | [
"Misc Hacks",
"Weapons Hacks"
] | [
"compressed air",
"gun",
"liquid",
"metal",
"molten",
"pewter",
"Squirtgun"
] | [TheBackyardScientist] at it again with another super villain-esque demonstration of gadgetry:
a liquid metal squirt gun
.
The squirt gun has a compressed air tank like most others — more on that later — but to fire its primary ammunition, a nozzle that connects directly to an air compressor is needed. Again, like most... | 16 | 6 | [
{
"comment_id": "3910210",
"author": "Silis",
"timestamp": "2017-08-17T07:16:13",
"content": "I would love for this guy to apply for a life insurance and document the process.",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3910292",
"author": "echodelta",
... | 1,760,374,713.161532 | ||
https://hackaday.com/2017/08/16/a-great-way-to-make-quick-and-easy-knobs/ | A Great Way To Make Quick And Easy Knobs | Donald Papp | [
"how-to",
"Tool Hacks"
] | [
"bolt",
"casting",
"diy",
"epoxy",
"knobs",
"mold",
"resin",
"silicone",
"socket head bolt",
"threaded knob",
"tool-free"
] | Here’s a great way to quickly and easily
make attractive and functional knobs
with no tools required. All you need is some casting resin (epoxy would do in a pinch), a silicone mold intended for candy, and some socket head bolts. With the right preparation and a bit of careful placement and attention, smooth and functi... | 34 | 11 | [
{
"comment_id": "3909447",
"author": "mjrippe",
"timestamp": "2017-08-17T02:59:53",
"content": "Just FYI – “knob ends” has a different meaning in British English.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3909487",
"author": "Donald Papp",
... | 1,760,374,713.34148 | ||
https://hackaday.com/2017/08/16/bringing-a-50-watt-laser-cutter-to-life/ | Bringing A 50 Watt Laser Cutter To Life | Inderpreet Singh | [
"Laser Hacks",
"Tool Hacks"
] | [
"4040",
"4040 Laser Cutter",
"calibrate",
"chinese laser cutter",
"K40 Whisperer",
"unboxing"
] | This is the future and we live in a world of 3D printers and laser cutters. Have you ever pondered the question of getting yourself a laser cutter? Well [Erich Styger] just landed a
50 Watt Laser Cutter from AliExpress
and has written up a detailed guide to his experience.
[Erich] had been wrestling with the idea of bu... | 22 | 6 | [
{
"comment_id": "3908753",
"author": "Lemons406",
"timestamp": "2017-08-16T23:31:46",
"content": "For that price is there any proof it is actually 50 watts? I don’t know much about lasers but I know that’s pretty high power and $900 is pretty cheap for one too if I’m not mistaken.",
"parent_id":... | 1,760,374,713.436349 | ||
https://hackaday.com/2017/08/16/superconference-interview-ben-krasnow/ | Superconference Interview: Ben Krasnow | Brian Benchoff | [
"cons",
"Interviews"
] | [
"2017 Hackaday Superconference",
"ben krasnow",
"Hackaday SuperConference"
] | Ben Krasnow is a consummate prototyper. He’s built a machine that makes the perfect chocolate chip cookie, he has a ruby laser, and he produces his own liquid nitrogen in-house because simply filling up a dewar is too easy. If you need a prototype, Ben is the guy to talk to.
Ben
gave a talk at last year’s Hackaday Supe... | 2 | 1 | [
{
"comment_id": "3908654",
"author": "donprius",
"timestamp": "2017-08-16T22:30:06",
"content": "“Ben simply built his own…” I think “simply” doesn’t mean the same thingto me as it does to you.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3910239",
... | 1,760,374,713.376553 | ||
https://hackaday.com/2017/08/16/fridge-compressor-to-2-stroke-engine-jb-weld-for-the-win/ | Fridge Compressor To 2-Stroke Engine: JB Weld For The Win | Dan Maloney | [
"hardware",
"Misc Hacks"
] | [
"2-stroke",
"compressor",
"engine",
"epoxy",
"internal combustion",
"JB Weld",
"refrigerator"
] | We like this one because it has a real
Junkyard Wars
feel to it:
turning a cast-off fridge compressor into a two-stroke internal combustion engine
. [Makerj101] is doing this with tooling no more complicated than a hacksaw and a hand drill. And JB Weld — lots and lots of JB Weld.
[Makerj101]’s video series takes us thr... | 28 | 12 | [
{
"comment_id": "3908371",
"author": "ganzuul",
"timestamp": "2017-08-16T19:06:42",
"content": "It was really surprising to see the engine self-run, even though his spark plug is constantly firing.Using the crank-case for fuel injection is just genius.",
"parent_id": null,
"depth": 1,
"r... | 1,760,374,713.600323 | ||
https://hackaday.com/2017/08/16/the-best-stereo-valve-amp-in-the-world/ | The Best Stereo Valve Amp In The World | Jenny List | [
"classic hacks",
"digital audio hacks",
"Hackaday Columns",
"Interest",
"Original Art"
] | [
"audio",
"hi-fi",
"hi-fi amplifier",
"tube amp",
"tube amplifier",
"valve amp",
"valve amplifier"
] | There are few greater follies in the world of electronics than that of an electronic engineering student who has just discovered the world of hi-fi audio. I was once that electronic engineering student and here follows a tale of one of my follies. One that incidentally taught me a lot about my craft, and I am thankful ... | 83 | 30 | [
{
"comment_id": "3908102",
"author": "moot-rasta",
"timestamp": "2017-08-16T17:09:17",
"content": "so what did it sound like when you turned it up all the way to 11? warm tones?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3908660",
"author": "Jenn... | 1,760,374,713.863285 | ||
https://hackaday.com/2017/08/16/friday-hack-chat-graphical-programming-languages-with-bojan-mitov/ | Friday Hack Chat: Graphical Programming Languages With Boian Mitov | Brian Benchoff | [
"Hackaday Columns"
] | [
"graphical programming",
"Hack Chat",
"maxmsp",
"Pd",
"pure data",
"scratch",
"visual programming"
] | There is a long history of Visual or Graphical Programming Languages, and most of them make more sense than the name of Microsoft’s Visual Basic, C#, and Visual Studio IDE. Some people don’t like to code, and for them, graphical programming languages replace semicolons and brackets with easy-to-understand boxes and wir... | 34 | 6 | [
{
"comment_id": "3908260",
"author": "Boian Mitov",
"timestamp": "2017-08-16T18:29:27",
"content": "Thank you!Well… my name in Boian, not Bojan, but close enough ;-)",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3908340",
"author": "Mike Szczys",
... | 1,760,374,713.940141 | ||
https://hackaday.com/2017/08/16/making-a-coil-gun-without-giant-caps/ | Making A Coil Gun Without Giant Caps | John Baichtal | [
"Misc Hacks"
] | [
"arduino nano",
"coil gun",
"lipoly"
] | Whenever we see a coil gun project on the Internet, it seems to involve a bank of huge capacitors. [miroslavus] took a different approach with his gun–he wanted his project to be
built without those monster caps
.
It’s powered by quadcopter LiPo batteries, 2x 1400 MaH drone batteries wired up in series and triggering 2... | 26 | 11 | [
{
"comment_id": "3907761",
"author": "gurk",
"timestamp": "2017-08-16T15:02:54",
"content": "wow thats a shitty project, i like it.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3908616",
"author": "ryg",
"timestamp": "2017-08-16T21:56:45",
... | 1,760,374,713.735015 | ||
https://hackaday.com/2017/08/16/eclipse-2017-was-einstein-right/ | Eclipse 2017: Was Einstein Right? | Dan Maloney | [
"Featured",
"History",
"Interest",
"Original Art",
"Slider"
] | [
"amateur astronomy",
"astronomy",
"CCD",
"Eclipse 2017",
"Eddington",
"general relativity",
"optics",
"relativity",
"solar eclipse",
"special relativity",
"telescope"
] | While most people who make the trek to the path of totality for the Great American Eclipse next week will fix their gazes skyward as the heavenly spectacle unfolds, we suspect many will attempt to post a duck-face selfie with the eclipsed sun in the background. But at least one man will be feverishly tending to an expe... | 46 | 15 | [
{
"comment_id": "3907696",
"author": "sqelch",
"timestamp": "2017-08-16T14:24:52",
"content": "Best of luck Don",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3907701",
"author": "Jason Belec",
"timestamp": "2017-08-16T14:30:30",
"content": "Yeah, ... | 1,760,374,714.26798 | ||
https://hackaday.com/2017/08/16/alexa-in-a-bunny-rabbit/ | Alexa In A Bunny Rabbit | Inderpreet Singh | [
"Misc Hacks"
] | [
"alexa",
"ESP32"
] | The Raspberry Pi is the perfect candidate for Google’s AIY where you can talk to a cardboard box with some electronics in it. [BuddyCasino] took on the challenge of squeezing an
Alexa Client in an ESP32
and to make things interesting, a bunny rabbit was chosen as the host of the virtual assistant.
A few months ago, we ... | 13 | 6 | [
{
"comment_id": "3907044",
"author": "Andrea Campanella",
"timestamp": "2017-08-16T11:27:43",
"content": "Totally impressed by this, sure, it lacks the wake up command but that’s totally impressive!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3907053",
... | 1,760,374,714.03255 | ||
https://hackaday.com/2017/08/16/you-probably-dont-want-to-find-this-toilet-in-your-washroom/ | You Probably Don’t Want To Find This Toilet In Your Washroom | James Hobson | [
"Arduino Hacks",
"Uncategorized"
] | [
"adafruit",
"Captain",
"fair",
"motor",
"toilet",
"Underpants",
"wave shield",
"Windshield Wiper"
] | Ok, this one is a bit bizarre, but in perfect keeping with the subject matter: a talking toilet ripped from the pages of the Captain Underpants children’s books. Hackaday.io user [
hamblin.joe
]’s county fair has a toilet decorating contest and at the suggestion of their neighbour’s son, [hamblin.joe] hatched
a plan to... | 12 | 8 | [
{
"comment_id": "3906447",
"author": "Christopher Favreau",
"timestamp": "2017-08-16T08:05:45",
"content": "Yum Yum Eat Em Up!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3906450",
"author": "GreenMonster",
"timestamp": "2017-08-16T08:06:59",
"c... | 1,760,374,714.083921 | ||
https://hackaday.com/2017/08/15/guitarbot-brings-together-art-and-engineering/ | GuitarBot Brings Together Art And Engineering | Donald Papp | [
"Musical Hacks",
"Robots Hacks"
] | [
"arduino",
"art",
"Artgeneering",
"guitar",
"guitarbot",
"music",
"music robot",
"robotic",
"robots"
] | Not only does the
GuitarBot project
show off some great design, but the care given to the documentation and directions is wonderful to see. The GuitarBot is an initiative by three University of Delaware professors, [Dustyn Roberts], [Troy Richards], and [Ashley Pigford] to introduce their students to ‘Artgineering’, a ... | 10 | 5 | [
{
"comment_id": "3906331",
"author": "Ostracus",
"timestamp": "2017-08-16T06:41:40",
"content": "Reminds me of Animusic.http://animusic.com/",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3907141",
"author": "Matt Cramer",
"timestamp": "2017-... | 1,760,374,714.132575 | ||
https://hackaday.com/2017/08/15/the-latest-hacker-camp-badge-comes-from-bornhack/ | The Latest Hacker Camp Badge Comes From BornHack | Jenny List | [
"cons"
] | [
"badge",
"badgelife",
"BornHack",
"Denmark",
"hacker camp",
"hardware badge"
] | If you’re a fan of outdoor hacker camps, or if you’re a SHACamp attendee who’s still coming down from the event high, you may already know about the upcoming BornHack 2017 hacker camp on the Danish island of Bornholm, from the 22nd to the 29th of this month. It’s a smaller camp than many of the others on the calendar, ... | 9 | 3 | [
{
"comment_id": "3906508",
"author": "eccentricelectron",
"timestamp": "2017-08-16T08:36:25",
"content": "Jenny, you are better than this – the post is virtually content free. Can we please take a breather from badge posts, unless there’s something a bit different (like yesterday’s)? OLED + Mx + 4 w... | 1,760,374,713.986563 | ||
https://hackaday.com/2017/08/15/a-gas-model-made-of-magnets/ | A Gas Model Made Of Magnets | Manuel Rodriguez-Achach | [
"Misc Hacks"
] | [
"atomic structure",
"crystal",
"magnet"
] | Magnets are great stuff and everyone loves them, there are so many things you can do with them, including creating a model of the crystalline structure of solids, just as [Cody´s Lab] did
using a bunch of magnets inside a pair of plexiglass sheets.
Crystal structure of ice. Image from
Wikemedia Commons
.
Many materials... | 16 | 11 | [
{
"comment_id": "3906170",
"author": "RoGeorge",
"timestamp": "2017-08-16T01:02:08",
"content": "Neat!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3906227",
"author": "Jupiter Belic",
"timestamp": "2017-08-16T02:37:40",
"content": "Definitely on... | 1,760,374,714.325755 | ||
https://hackaday.com/2017/08/15/use-a-drill-to-power-your-flipbooks/ | Use A Drill To Power Your Flipbooks | Rich Hawkes | [
"hardware"
] | [
"animation",
"cordless drill",
"flipbook",
"hand-drawn",
"split flap"
] | [WolfCat] of Wolfcatworkshop is creating a hand-animated split-flap animation. But what do you use to test your animation once it’s on the split-flaps? Well, to test it out, [WolfCat] used a drill to give it motion. DoodlersAnonymous has
some pics and an interview
with [WolfCat] about his animation and there are some p... | 9 | 5 | [
{
"comment_id": "3906005",
"author": "Clara",
"timestamp": "2017-08-15T23:22:04",
"content": "Gettin’ real tired of these enormous animated GIFs. Y’all declare , why not act like it?",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3906014",
"author":... | 1,760,374,714.176715 | ||
https://hackaday.com/2017/08/15/hackaday-prize-entry-a-bracelet-for-the-blind/ | Hackaday Prize Entry: A Bracelet For The Blind | Kristina Panos | [
"The Hackaday Prize",
"Wearable Hacks"
] | [
"2017 Hackaday Prize",
"arduino pro mini",
"assistive technolgy",
"haptic feedback",
"ultrasonic distance sensor",
"visually impaired"
] | The World Health Organization estimates that around 90% of the 285 million or so visually impaired people worldwide live in low-income situations with little or no access to assistive technology. For his Hackaday Prize entry, [Tiendo] has created a simple and easily reproducible way-finding device for people with reduc... | 9 | 4 | [
{
"comment_id": "3905774",
"author": "Moryc",
"timestamp": "2017-08-15T20:36:02",
"content": "Was this tested with a blind person? How is it better than traditional white cane? I have a white cane, I learned to use it when I was 5 (my mom was afraid I’ll be blind because of glaucoma, so she wanted t... | 1,760,374,714.445881 | ||
https://hackaday.com/2017/08/15/pouring-1200-tea-foundry-in-a-fire-extinguisher/ | Pouring 1200° Tea: Foundry In A Fire Extinguisher | Dan Maloney | [
"Misc Hacks",
"Tool Hacks"
] | [
"aluminium",
"aluminum",
"fire extinguisher",
"foundry",
"Perlite",
"pid",
"refractory"
] | Let’s face it — the design of most home foundries leaves something to be desired. Most foundries are great at melting metal, but when it comes to pouring the melt, awkward handling can easily lead to horrific results. That’s why we appreciate the thought that went into
this electric melting pot foundry
.
Sure, electric... | 29 | 10 | [
{
"comment_id": "3905613",
"author": "Darren",
"timestamp": "2017-08-15T18:43:19",
"content": "..and yet, the guy is so concerned about safety he has no protective gear, ouch!",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3906472",
"author": "jaap",... | 1,760,374,714.746539 | ||
https://hackaday.com/2017/08/15/wideband-woes-and-the-junkbox-miata/ | Wideband Woes And The Junkbox Miata | Lewin Day | [
"car hacks",
"Featured",
"Original Art",
"Slider"
] | [
"automobile",
"automotive",
"car",
"ecu",
"engine control unit",
"feedback loop",
"mazda",
"miata",
"modification",
"mx-5",
"oxygen sensor",
"wideband",
"wideband oxygen sensor"
] | As ever, I am fighting a marginally winning battle against my 1991 Mazda MX-5, and this is the story of how I came to
install a wideband oxygen sensor in my Japanese thoroughbred
. It came about as part of my ongoing project to build myself a viable racecar, and to figure out why my 1990s Japanese economy car engine ru... | 40 | 14 | [
{
"comment_id": "3905401",
"author": "Colin Abraham",
"timestamp": "2017-08-15T17:19:35",
"content": "Turn it into an Exocet!!!",
"parent_id": null,
"depth": 1,
"replies": []
},
{
"comment_id": "3905430",
"author": "Dan",
"timestamp": "2017-08-15T17:32:32",
"content":... | 1,760,374,714.568062 | ||
https://hackaday.com/2017/08/15/superconference-talk-deadline-extended-one-week/ | Superconference Talk Deadline Extended One Week | Mike Szczys | [
"cons",
"Hackaday Columns"
] | [
"2017 Hackaday Superconference",
"call for proposals",
"Superconference"
] | Our
Call for Proposals
for the Hackaday Superconference was scheduled to close yesterday. We are extending that deadline by one week so get your proposal for a talk or a workshop in now.
We want to leave no stone unturned and are intimately familiar with the procrastination habits of busy hackers like you. Now there is... | 0 | 0 | [] | 1,760,374,714.781156 | ||
https://hackaday.com/2017/08/15/swedish-rocket-knives/ | Swedish Rocket Knives | Brian Benchoff | [
"cnc hacks"
] | [
"machete",
"model rocket",
"rocket",
"youtube"
] | There are trends in YouTube videos among various video producers. A few weeks ago, it was all about fidget spinners until some niche tech blog ran that meme into the ground. Before that, the theme was red-hot knives cutting through stuff. The setup was simple; just heat a knife up with a blowtorch, cut through a tomato... | 20 | 10 | [
{
"comment_id": "3905134",
"author": "Ezzy",
"timestamp": "2017-08-15T15:04:13",
"content": "David is such an awesome maker. Got his Tricopter kit a while back. He was such an inspirational and charming dude on FliteTest way back when. All the best, dude, if you’re reading this!",
"parent_id": n... | 1,760,374,714.920269 | ||
https://hackaday.com/2017/08/15/product-development-and-avoiding-stock-problems/ | Product Development And Avoiding Stock Problems | Bob Baddeley | [
"Engineering",
"Featured",
"hardware"
] | [
"lead time",
"manufacturing",
"out of stock",
"pcb assembly",
"stockout"
] | You’ve spent months developing your product, your Kickstarter just finished successfully, and now you’re ready to order all the parts. Unfortunately, your main component, an ATmega328P, is out of stock everywhere with a manufacturer lead time of 16 weeks. Now what?
When manufacturing things in large volumes, acquiring ... | 39 | 16 | [
{
"comment_id": "3904971",
"author": "k-ww",
"timestamp": "2017-08-15T14:15:21",
"content": "One of many sources to find alternate parts is FINDCHIPS.COM – I’ve used them almost since they started.",
"parent_id": null,
"depth": 1,
"replies": [
{
"comment_id": "3905111",
... | 1,760,374,714.862069 |
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