hackaday.com Archives - 25 May 2015, Monday

  • ESP8266 Keeps An Eye On Your Batteries

    ESP8266 Keeps An Eye On Your Batteries | Hackaday

    hackaday.com 25 May '15, 2am

    There are many more things to know about a battery than its voltage and current output at any given moment, and most of them can’t be measured with a standard multimeter unless you also stand there for a long time with an Excel spreadsheet. The most useful information is battery capac...

  • Hackaday Links: May 24, 2015 | Hackaday

    hackaday.com 24 May '15, 11pm

    A few months ago, we heard about a random guy finding injection molds for old Commodore computers . He did what the best of us would do and started a Kickstarter to remanufacture these cool old cases. It’s the best story on retrocomputing this year, and someone else figured out they c...

  • Handheld Belt Sander Converted To Bench Top Unit

    Handheld Belt Sander Converted To Bench Top Unit | Hackaday

    hackaday.com 24 May '15, 8pm

    Having a basement or garage shop sure comes in useful for the home handyman. One downside to having a self-funded show is that you may not have every tool that you need. [unknownuser2007] had a hand-held belt sander and regularly used it to round off sharp corners on small parts inste...

  • LayerOne Hardware Hacking Village

    LayerOne Hardware Hacking Village | Hackaday

    hackaday.com 24 May '15, 5pm

    Go to DEFCON and you’ll stand in line for five hours to get a fancy electronic badge you’ll be showing to your grandchildren some day. Yes, at DEFCON, you buy your hacker cred. LayerOne is not so kind to the technically inept. At LayerOne, you are given a PCB, bag of parts, and are to...

  • The Ease of Adding Trojans to Major Financial Android Apps

    The Ease of Adding Trojans to Major Financial Android Apps | Hackaday

    hackaday.com 24 May '15, 2pm

    This was both an amusing and frightening talk. [Sam Bowne] presented How to Trojan Financial Android Apps on Saturday afternoon at the LayerOne Conference. [Sam] calculates that 80-90% of the apps provided by major financial institutions like banks and investment companies are vulnera...

  • Absolute Overkill IKEA Lampan Lamp Hack

    Absolute Overkill IKEA Lampan Lamp Hack | Hackaday

    hackaday.com 24 May '15, 11am

    Sometimes too much overkill isn’t enough. [Jesus Echavarria] hacked an IKEA Lampan light for his daughter to add color LEDs, a timer, Bluetooth control over the hue, and a local override knob. The result: a $5 lamp with at least $50 of added awesomeness. Let’s have a look at the latte...

  • Spin DIY Photography Turntable System

    Spin DIY Photography Turntable System | Hackaday

    hackaday.com 24 May '15, 8am

    A motorised turntable is very handy when taking product pictures, or creating animated GIF’s or walk around views. [Tiffany Tseng] built Spin, a DIY photography turntable system for capturing how DIY Projects come together over time. It is designed to help people share their projects ...

  • Hackaday Prize Entry: Arduino MPPT Controller

    Hackaday Prize Entry: Arduino MPPT Controller | Hackaday

    hackaday.com 24 May '15, 5am

    Imagine you’re building a small solar installation. The naive solution would be grabbing a solar panel from Horror Freight, getting a car battery and AC inverter, and hoping everything works. This is the dumb solution. To get the most out of a solar you need to match the voltage of th...

  • NES Controller Made Out Of Fused Craft Beads

    NES Controller Made Out Of Fused Craft Beads | Hackaday

    hackaday.com 24 May '15, 2am

    Close your eyes and think back, far back when you were a wee kid. Remember those colored beads that a child would populate on a small plastic peg board, arranged in some sort of artsy pattern, then ironed to fuse the beads together into a crafty trinket? They were fun for kids but wha...

  • 3D Scanning Rig And DIY Turntable

    3D Scanning Rig And DIY Turntable | Hackaday

    hackaday.com 23 May '15, 11pm

    It seems almost every day 3D scanning is becoming more and more accessible to the general DIYer. The hardware required is minimal and there are several scanning softwares and workflows to choose from. However, if you have slowly walked around a subject while holding a Kinect and tryin...

  • Pictures that Defeat Key Locks | Hackaday

    hackaday.com 23 May '15, 8pm

    We’re at LayerOne this weekend and one of the talks we were excited about didn’t disappoint. [Jos Weyers] presented Showing Keys in Public — What Could Possibly Go Wrong? The premise is that pictures of keys, in most cases, are as good as the keys themselves. And that pictures of keys...

  • Hacklet 48 – Weather Sensing Projects

    Hacklet 48 – Weather Sensing Projects | Hackaday

    hackaday.com 23 May '15, 5pm

    Throughout history, mankind has been at the mercy of the weather. Planning a major outdoor event like a wedding or a naval battle? Better hope for clear skies! Man doesn’t have the ability to change mother nature at will quite yet, but hackers are working on it! Until then, we can mea...

  • Finally, VR For Four Eyes | Hackaday

    hackaday.com 23 May '15, 2pm

    In the next few years, VR headsets will be everywhere, and everyone will slowly recede into their own little reality that is presented on high-resolution displays right in front of their eyes. One specific group will be left out: eyeglass wearers. VR just doesn’t work with eyeglasses,...

  • From Broken Drill Bit To Knife: Backyard Forging Basics

    From Broken Drill Bit To Knife: Backyard Forging Basics | Hackaday

    hackaday.com 23 May '15, 11am

    One of our tipsters sent in a great video showing how to make knives out of old broken drill bits . It comes from [The Art of Weapons] YouTube channel which is run by a 15 year old from the UK. He’s applying old techniques to modern technology and it’s awesome to see someone young wit...

  • Hackaday Fail: A $3000 Prototype That Doesn’t Work | Hackaday

    hackaday.com 23 May '15, 8am

    [Dan Royer] is hard at work building his own personal robot army. Robots mean motors, and motors mean gearboxes. In [Dan]’s case, gearboxes mean $3000 wasted on a prototype that doesn’t work . Why doesn’t it work? He doesn’t know, and we don’t either. [Dan] would like to use small but...

  • Hackaday Prize Entry: Biopotential Signal Library | Hackaday

    hackaday.com 23 May '15, 5am

    With prosthetics, EEG, and all the other builds focused on the body and medicine for this year’s Hackaday Prize, it might be a good idea to take a look at what it takes to measure the tiny electrical signals that come from the human body. Measuring brain waves or heartbeats indoors is...

  • Making Servos Spin Right Round Without Stopping | Hackaday

    hackaday.com 23 May '15, 2am

    Thanks! I already have ADNS-9800 and I tried the ins and outs of it but I’ve found out that although its local resolution is indeed very high (up to 8000 counts per inch), it always slips very quickly and pretty severely. I even tried achieving perfect focus and providing it with a go...

  • Commodore 64 Mods Make A Mobile Computer

    Commodore 64 Mods Make A Mobile Computer | Hackaday

    hackaday.com 23 May '15, 2am

    Some Commodore C64 owners and enthusiasts keep tinkering with their precious units, adding upgrades all the time. [wpqrek]’s latest upgrade to his C64 makes it totally portable – he added DC-DC converters to allow it to run off external battery sources. He installed two separate DC-DC...

  • Forbidden Fruit Machine

    Forbidden Fruit Machine | Hackaday

    hackaday.com 22 May '15, 11pm

    The “Forbidden Fruit Machine” is based on a painting called “The Fall of Man” created by [Cornelis Cornelisz van Haarlem] in 1592. The painting depicts Eve and Adam in the Garden of Eden, being tempted by the serpent to eat the forbidden fruit. A public domain, high-resolution scan of...

  • Arduino vs Arduino: These Are Not The Droids…

    Arduino vs Arduino: These Are Not The Droids… | Hackaday

    hackaday.com 22 May '15, 8pm

    We’ve been trying to not pick favorites in the Arduino controversy, or at least remain open-minded to both sides of the story. Some businesses, on the other hand, are clearly aligning themselves. (Full text of e-mail below.) Reader [Francisco Zabala], from cool robot-supplies store Ac...

  • Tessel 2, A $35 Linux Computer That’s Truly Open Source | Hackaday

    hackaday.com 22 May '15, 5pm

    We’ve seen the first version of the Tessel a few years ago, and it’s still an interesting board: an ARM Cortex-M3 running at 180MHz, WiFi, 32 Megs of both Flash and RAM, and something that can be programmed entirely in JavaScript or Node.js. Since then, the company behind Tessel, Tech...

  • How To Make A Hackerspace Passport Stamp | Hackaday

    hackaday.com 22 May '15, 2pm

    We started with the Hackaday Logo SVG file and modified it in Inkscape. It was then opened in Corel Draw for sending to the Laser Cutter, which in this case was an Epilog. Lucky for us the Epilog print driver has a stamp feature. After opening up the SVG file, verify the stamp is the ...

  • See You at LayerOne this Weekend | Hackaday

    hackaday.com 22 May '15, 11am

    LayerOne, the first level of security. [Brian Benchoff] and I are excited to take part in our first LayerOne conference this Saturday and Sunday in Monrovia California. Anyone in the Los Angeles area this weekend needs to get out of whatever they have planned and try out this conferen...

  • 3D Printering: Maker Faire And Resin Printers

    3D Printering: Maker Faire And Resin Printers | Hackaday

    hackaday.com 22 May '15, 8am

    Of course Maker Faire was loaded up with 3D printers, but we’re no longer in the era of a 3D printer in every single booth. Filament-based printers are passé, but that doesn’t mean there’s no new technology to demonstrate. This year, it was stereolithography and other resin-based prin...

  • Hackaday Prize Entry: A Broke Hackers’ Model Train | Hackaday

    hackaday.com 22 May '15, 5am

    Model railroads are the wellspring of hacker culture; the word itself comes from the MIT Tech Model Railroad Club sometime in the early 60s. These old timers at MIT had incredible resources available to them – multimillion dollar computers, vast amounts of plywood, and real metal trac...

  • Large NES Controller Made From LEGOs

    Large NES Controller Made From LEGOs | Hackaday

    hackaday.com 22 May '15, 2am

    The four main sides of the controller case are standard stacked grey LEGO bricks. The inside of the case is mostly hollow, only with some supporting structures for the walls and buttons. The top is made from 4 individual LEGO panels that can be quickly and easily removed to access the...

  • A Nokia Shield For The Arduino

    A Nokia Shield For The Arduino | Hackaday

    hackaday.com 21 May '15, 11pm

    The Nokia 3100 is a classic in the circles we frequent. The LCD in this phone is a very cheap and very common display, and it was one of the most popular phones since the phone from Bell, making it a very popular source of cool components. Now everything is an Internet of Thing, and c...

  • $50k in Play: 20 Bulbdial Clock Kits | Hackaday

    hackaday.com 21 May '15, 8pm

    has been a favorite of ours for years. Developed by Hackaday Prize Judges [Windell] and [Lenore] at Evil Mad Scientist Labs, it uses three rings of colored LEDs to cast shadows as clock hands. It’s a fun solder kit that will take time to assemble. In keeping with that ideal, your best...

  • Interactive Robot: Project Naughty Ball

    Interactive Robot: Project Naughty Ball | Hackaday

    hackaday.com 21 May '15, 5pm

    A month before the Bay Area Maker Faire, there were ominous predictions the entire faire would be filled with BB-8 droids, the cute astromech ball bot we’ll be seeing more of when The Force Awakens this December. This prediction proved to be premature. There were plenty of R2 units dr...

  • Caption CERN Contest – Not your father’s POV Display

    Caption CERN Contest – Not your father’s POV Display | Hackaday

    hackaday.com 21 May '15, 3pm

    Accidents happen – but the awesome quotes you all sent in for Week 15 of the Caption CERN Contest were no accident. A huge thank you for our biggest week yet! The scientists in this week’s image are definitely cleaning up after some type of nasty accident. At first blush it looks like...