hackaday.com Archives - 26 March 2017, Sunday

  • MRRF 17: E3D Introduces Combination Extruder And Hotend

    MRRF 17: E3D Introduces Combination Extruder And Hotend | Hackaday

    hackaday.com 26 Mar '17, 5am

    Since the beginning of time, or 2006, the ‘hot glue gun’ part of our CNC hot glue guns have had well-defined parts. The extruder is the bit that pushes plastic through a tube, and the hot end is where all the melty bits are. These are separate devices, even though a shorter path from ...

  • A Red Teamer’s Guide to Pivoting https://t.co/My4aNVaDg0

    A Red Teamer’s Guide to Pivoting | Hackaday

    hackaday.com 26 Mar '17, 2am

    What is hacking and what is network engineering? We’re not sure where exactly to draw the lines, but [Artem]’s writeup of pivoting is distinctly written from the (paid) hacker’s perspective. Once you’re inside a network, the question is what to do next. “Pivoting” is how you get from ...

  • MRRF 17: Lulzbot and IC3D Release Line Of Open Source Filament | Hackaday

    hackaday.com 25 Mar '17, 11pm

    Today at the Midwest RepRap Festival, Lulzbot and IC3D announced the creation of an Open Source filament . While the RepRap project is the best example we have for what can be done with Open Source hardware, the stuff that makes 3D printers work – filament, motors, and to some extent ...

  • MRRF 17: The Infinite Build Volume Printer

    MRRF 17: The Infinite Build Volume Printer | Hackaday

    hackaday.com 25 Mar '17, 8pm

    Before we dig into this one, a bit of a history lesson is in order. In 2010, MakerBot released the Automated Build Platform for the MakerBot Cupcake. This build platform was like nothing seen before or since. It’s a combination build platform and a conveyor belt for a 3D printer, allo...

  • CP/M 8266 | Hackaday

    hackaday.com 25 Mar '17, 5pm

    Hands up if you’ve ever used a machine running CP/M. That’s likely these days to only produce an answer from owners of retrocomputers. What was once one of the premier microcomputer operating systems is now an esoteric OS, a piece of abandonware released as open source by the successo...

  • CP/M 8266 | Hackaday

    hackaday.com 25 Mar '17, 5pm

    Hands up if you’ve ever used a machine running CP/M. That’s likely these days to only produce an answer from owners of retrocomputers. What was once one of the premier microcomputer operating systems is now an esoteric OS, a piece of abandonware released as open source by the successo...

  • Sync Your Pocket Synth with Ableton | Hackaday

    hackaday.com 25 Mar '17, 3pm

    The Teenage Engineering Pocket Operators are highly popular devices — pocket-sized synthesizers packed full of exciting sounds and rhythmic options. They’re also remarkably affordable. However, this comes at a cost — they don’t feature MIDI connectivity, so it can be difficult to inte...

  • Bad Thermal Design And Burning Down The House | Hackaday

    hackaday.com 25 Mar '17, 2pm

    Now explain that to the many product purchasers that die within months of a warranty ending. When in doubt https://en.wikipedia.org/wiki/Planned_obsolescence “Planned obsolescence or built-in obsolescence in industrial design and economics is a policy of planning or designing a produc...

  • MIDI Drawings Paint with Piano Keyboards

    MIDI Drawings Paint with Piano Keyboards | Hackaday

    hackaday.com 25 Mar '17, 11am

    Musician [Mari Lesteberg] is making music that paints pictures. Or maybe she’s making pictures that paint music. It’s complicated. Check out the video (embedded below) and you’ll see what we mean. The result is half Chinese scroll painting, and half musical score, and they go great to...

  • Replica Fallout Terminal | Hackaday

    hackaday.com 25 Mar '17, 8am

    If you’ve played Fallout 4, you’re familiar with the wall-mounted terminals in the game. They’ve got a post-apocalyptic aesthetic and the glowing green screen that calls out to anyone that grew up with computers and hacker movies from the 80s and 90s. Remember the first time you set y...

  • Doing It With Fewer Bytes Than Bill Gates | Hackaday

    hackaday.com 25 Mar '17, 5am

    The MITS Altair 8800 occupies a unique place in computing history as the first commercially succesful microcomputer for personal rather than business use. It is famous as the platform upon which the first Microsoft product ran, their first BASIC interpreter. [Josh Bensadon] has an Alt...

  • Ten Minute TensorFlow Speech Recognition | Hackaday

    hackaday.com 25 Mar '17, 2am

    Like a lot of people, we’ve been pretty interested in TensorFlow, the Google neural network software. If you want to experiment with using it for speech recognition, you’ll want to check out [Silicon Valley Data Science’s] GitHub repository which promises you a fast setup for a speech...

  • Ten Minute TensorFlow Speech Recognition | Hackaday

    hackaday.com 25 Mar '17, 2am

    Like a lot of people, we’ve been pretty interested in TensorFlow, the Google neural network software. If you want to experiment with using it for speech recognition, you’ll want to check out [Silicon Valley Data Science’s] GitHub repository which promises you a fast setup for a speech...

  • Half-Baked Idea: Put Your PLA in the Oven | Hackaday

    hackaday.com 24 Mar '17, 11pm

    [Thomas] wanted to try baking some carbon fiber 3D printing filament because the vendor had promised higher strength and rigidity after the parts were annealed in the oven. Being of a scientific mindset, he did some controls and found that annealing parts printed with the carbon fiber...

  • The Icon Of American Farming That You Now Have To Hack To Own | Hackaday

    hackaday.com 24 Mar '17, 8pm

    If you wanted to invoke American farming with colour, which colours would you pick? The chances are they would be the familiar green and yellow of a John Deere tractor. It’s a name that has been synonymous with US agriculture since the 1830s, when the blacksmith whose name appears on ...

  • Retrotechtacular: Tinkertoy and Cordwood in the Pre-IC Era | Hackaday

    hackaday.com 24 Mar '17, 7pm

    It is widely accepted that Gutenberg’s printing press revolutionized thought in Europe and transformed the Western world. Prior to the printing press, books were rare and expensive and not generally accessible. Printing made all types of written material inexpensive and plentiful. You...

  • Retrotechtacular: Tinkertoy and Cordwood in the Pre-IC Era | Hackaday

    hackaday.com 24 Mar '17, 7pm

    It is widely accepted that Gutenberg’s printing press revolutionized thought in Europe and transformed the Western world. Prior to the printing press, books were rare and expensive and not generally accessible. Printing made all types of written material inexpensive and plentiful. You...

  • Magsafe 1 to Magsafe 2 The Cheap Way | Hackaday

    hackaday.com 24 Mar '17, 6pm

    [Klakinoumi] wanted to use their Magsafe 1 charger from 2007 with their newer Macbook Pro Retina from 2012 — but it had a Magsafe 2 port. There were a few options on the table (buy an adapter, buy a new charger, cry) but those wouldn’t do. [Klakinoumi] went with the brute force option...

  • We’re Hiring | Hackaday

    hackaday.com 24 Mar '17, 4pm

    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...

  • Shut Up and Say Something: Amateur Radio Digital Modes

    Shut Up and Say Something: Amateur Radio Digital Modes | Hackaday

    hackaday.com 24 Mar '17, 2pm

    In a recent article , I lamented my distaste for carrying on the classic amateur radio conversation — calling CQ, having someone from far away or around the block call back, exchange call signs and signal reports and perhaps a few pleasantries. I think the idle chit-chat is a big turn...

  • Daunting Interactive LED Dancefloor Build is Huge Win | Hackaday

    hackaday.com 24 Mar '17, 11am

    If you’ve ever thought about having a light-up dance floor at an event, the chances are you will have been shocked at the rental cost. Doing your best impression of a young John Travolta in Saturday Night Fever doesn’t come cheap, it seems. When faced with this problem before the Furn...

  • Your VR Doesn’t Stink (Yet) | Hackaday

    hackaday.com 24 Mar '17, 8am

    What does it smell like when the wheels heat up on that Formula 1 car you drive at night and on the weekends? You have no idea because the Virtual Reality experience that lets you do so doesn’t come with a nasal component. Yet. Shown here is an olfactory device that works with Oculus ...

  • Pi Zero W Impersonates iPhone, Becomes Terminal | Hackaday

    hackaday.com 24 Mar '17, 8am

    There’s something to be said for economies of scale and few things sell more than cell phones. Maybe that’s why [NODE] took inspiration from an iPhone slide out keyboard case to create this Pi Zero W-based portable terminal . This is actually his third iteration, and in the video belo...

  • Pi Zero W Impersonates iPhone, Becomes Terminal | Hackaday

    hackaday.com 24 Mar '17, 8am

    There’s something to be said for economies of scale and few things sell more than cell phones. Maybe that’s why [NODE] took inspiration from an iPhone slide out keyboard case to create this Pi Zero W-based portable terminal . This is actually his third iteration, and in the video belo...

  • See Satellites with a Simple Radio Telescope | Hackaday

    hackaday.com 24 Mar '17, 5am

    Now, don’t expect much from [Justin]’s minimalist build. After all, you’ll be starting with a rather small dish and an LNB for the Ku band, so you won’t be doing serious radio astronomy. In fact, the BOM doesn’t include a fancy receiver – just a hacked satellite finder. The idea is to...

  • See Satellites with a Simple Radio Telescope | Hackaday

    hackaday.com 24 Mar '17, 5am

    Now, don’t expect much from [Justin]’s minimalist build. After all, you’ll be starting with a rather small dish and an LNB for the Ku band, so you won’t be doing serious radio astronomy. In fact, the BOM doesn’t include a fancy receiver – just a hacked satellite finder. The idea is to...

  • Before There were Nixie Tubes, There Were Edge-Lit Displays? | Hackaday

    hackaday.com 24 Mar '17, 2am

    We’ve seen a bunch of replacements for nixie tubes using LEDs and edge-lit acrylic for the numbers. But one of the earliest digital voltmeters used edge-lit Lucite plates for the numbers and a lot of incandescent lamps to light them up. [stevenjohnson] has a Non-Linear Systems Model 4...

  • Soda Bottles Used as Heat-Shrink for Wood Joinery

    Soda Bottles Used as Heat-Shrink for Wood Joinery | Hackaday

    hackaday.com 23 Mar '17, 8pm

    Undertaken as an art project to show people what can be done with recycled materials, [Micaella Pedros]’ project isn’t a hack per se. She started with bottles collected around London and experimented with ways to use them in furniture. The plastic used in soda and water bottles, polye...

  • The Latest In 3D Printed Part Smoothing: Use A Brush | Hackaday

    hackaday.com 23 Mar '17, 6pm

    Part smoothing for 3D printed parts, especially parts printed in ABS, has been around for a while. The process of exposing an ABS part to acetone vapor turns even low-resolution prints into smooth, glossy 3D renderings that are stronger than ever. The latest improvement in part smooth...

  • Say It With Me: Aliasing | Hackaday

    hackaday.com 23 Mar '17, 5pm

    Nice summary of 1940’s work which still applies for most purposes. However, David Donoho and Emmanuel Candes changed everything in 2004. Aliasing is the result of periodic sampling in time using a comb function. The Fourier transform of which is also a comb. Multiplication in the time...