hackaday.com Archives - 19 August 2017, Saturday

  • Logic Gates Under (Air) Pressure

    Logic Gates Under (Air) Pressure | Hackaday

    hackaday.com 19 Aug '17, 2pm

    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. W...

  • Project Kino: Robotic Jewelry And Tech Accessory | Hackaday

    hackaday.com 19 Aug '17, 11am

    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 ...

  • Fresh-Pressed Clothes Courtesy of TEO, the Iron Man | Hackaday

    hackaday.com 19 Aug '17, 8am

    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...

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    It’s an Angle Grinder! No, it’s a Floor Sander! | Hackaday

    hackaday.com 19 Aug '17, 5am

    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 fl...

  • PiCorder: Raspberry Pi Stands in for Stone Knives and Bearskins | Hackaday

    hackaday.com 19 Aug '17, 2am

    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 Spo...

  • PiCorder: Raspberry Pi Stands in for Stone Knives and Bearskins | Hackaday

    hackaday.com 19 Aug '17, 2am

    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 Spo...

  • Apple’s Secure Enclave Processor (SEP) Firmware Decrypted | Hackaday

    hackaday.com 18 Aug '17, 11pm

    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 anyth...

  • Apple’s Secure Enclave Processor (SEP) Firmware Decyrpted | Hackaday

    hackaday.com 18 Aug '17, 11pm

    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 anyth...

  • Build a Foam Cutter Right Now | Hackaday

    hackaday.com 18 Aug '17, 10pm

    Cutting foam is difficult with traditional methods. The best way is with a hot wire. If you read Hackaday, it is a good bet you can figure out how to use electricity to make a wire hot without any help. However, there’s something clever about [MrGear’s] minimal build . As you can see ...

  • Live Stream to YouTube by Pointing a Box and Pressing a Button

    Live Stream to YouTube by Pointing a Box and Pressing a Button | Hackaday

    hackaday.com 18 Aug '17, 8pm

    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...

  • Hackaday Prize Entry: Archelon ROV Explores the Ocean

    Hackaday Prize Entry: Archelon ROV Explores the Ocean | Hackaday

    hackaday.com 18 Aug '17, 6pm

    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 cons...

  • Retrotechtacular: Olivetti Net3 | Hackaday

    hackaday.com 18 Aug '17, 5pm

    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 digi...

  • Retrotechtacular: Olivetti Net3 | Hackaday

    hackaday.com 18 Aug '17, 5pm

    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 digi...

  • Latskap Semi-Automatic Liquor Cabinet | Hackaday

    hackaday.com 18 Aug '17, 3pm

    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 ...

  • Lasering Axonometric Fonts

    Lasering Axonometric Fonts | Hackaday

    hackaday.com 18 Aug '17, 2pm

    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 enou...

  • Catch the Eclipse with a Wearable Pinhole Camera

    Catch the Eclipse with a Wearable Pinhole Camera | Hackaday

    hackaday.com 18 Aug '17, 8am

    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 ...

  • New Method for Measuring Lots of Resistors Using Very Few Wires | Hackaday

    hackaday.com 18 Aug '17, 2am

    [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 engi...

  • Crowdsourcing The Study Of An Eclipse’s Effect On Radio Propagation | Hackaday

    hackaday.com 17 Aug '17, 11pm

    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 abou...

  • Wearable Superconductors

    Wearable Superconductors | Hackaday

    hackaday.com 17 Aug '17, 8pm

    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...

  • Hackaday Prize Entry: InspectorBot Aims to Look Underneath

    Hackaday Prize Entry: InspectorBot Aims to Look Underneath | Hackaday

    hackaday.com 17 Aug '17, 6pm

    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 Produc...

  • Fail of the Week: How Not to Repair a MagSafe Charging Cable

    Fail of the Week: How Not to Repair a MagSafe Charging Cable | Hackaday

    hackaday.com 17 Aug '17, 5pm

    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 ...

  • Secret Serial Port for Arduino/ESP32 | Hackaday

    hackaday.com 17 Aug '17, 3pm

    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 do...

  • Living on Mars: the Stuff You Never Thought About | Hackaday

    hackaday.com 17 Aug '17, 2pm

    I have thought of some aspects of this too and have wondered about the viability of cave systems on Mars. The thought is to partially or totally bury the living spaces, but if there if there are going to be vehicles delivered, would it be more viable to find a large cave system to hou...

  • Living on Mars: the Stuff You Never Thought About | Hackaday

    hackaday.com 17 Aug '17, 2pm

    I have thought of some aspects of this too and have wondered about the viability of cave systems on Mars. The thought is to partially or totally bury the living spaces, but if there if there are going to be vehicles delivered, would it be more viable to find a large cave system to hou...

  • Multiple Monitors With Multiple Pis

    Multiple Monitors With Multiple Pis | Hackaday

    hackaday.com 17 Aug '17, 11am

    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 wor...

  • A Great Way to Make Quick and Easy Knobs

    A Great Way to Make Quick and Easy Knobs | Hackaday

    hackaday.com 17 Aug '17, 2am

    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 placeme...

  • Bringing A 50 Watt Laser Cutter to Life

    Bringing A 50 Watt Laser Cutter to Life | Hackaday

    hackaday.com 16 Aug '17, 11pm

    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...

  • Superconference Interview: Ben Krasnow | Hackaday

    hackaday.com 16 Aug '17, 8pm

    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 ...

  • The Best Stereo Valve Amp In The World

    The Best Stereo Valve Amp In The World | Hackaday

    hackaday.com 16 Aug '17, 5pm

    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...

  • Friday Hack Chat: Graphical Programming Languages with Bojan Mitov

    Friday Hack Chat: Graphical Programming Languages with Bojan Mitov | Hackaday

    hackaday.com 16 Aug '17, 4pm

    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 wi...