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coop0030 (263345) writes "At long last, here is the thoroughly revised and updated third edition of the hugely successful Art of Electronics. It is widely accepted as the best single authoritative book on electronic circuit design. In addition to new or enhanced coverage of many topics, the Third Edition includes: 90 oscilloscope screenshots illustrating the behavior of working circuits; dozens of graphs giving highly useful measured data of the sort that's often buried or omitted in datasheets but which you need when designing circuits; 80 tables (listing some 1650 active components), enabling intelligent choice of circuit components by listing essential characteristics (both specified and measured) of available parts. The new Art of Electronics retains the feeling of informality and easy access that helped make the earlier editions so successful and popular. It is an indispensable reference and the gold standard for anyone, student or researcher, professional or amateur, who works with electronic circuits. Limor "Ladyada" Fried, "If you think electrical engineering is magical then you must pick up this tome!" Adafruit will have early copies available." Link to Original Source top
coop0030 (263345) writes "If you're starting down the path to learning about electronics or computers, you may have noticed or heard about "Linux" — as in "this dev board is linux-based" or "this wearable runs linux" or "I wrote a linux script to control the barcode scanner" And you might be wondering Well, what is this "Linux" anyhow? Does it matter to me? and then maybe you asked someone and you got a long rant about stuff called kernels and bashed shells and now you're wondering if its corn-related or is some sort of crab. Being that this question and confusion is inevitable, and we're getting so many people asking about this mysterious Linux, we at Adafruit thought we'd write up a series of tutorials to help you understand what linux is, when you want linux and how to use it when you do." Link to Original Source top
coop0030 (263345) writes "Celebrate the 20th anniversary of the classic gaming device, Game Boy, by building your own with 3d printing and DIY electronics. This project uses a Raspberry Pi and TFT touch screen to make an epic DIY Game Girl. The 3d printed enclosure houses all of the components and can be printed in your favorite color. It's controlled with SNES gaming controller components, reusing the printed circuit board, buttons and elastomers. The 3D files can be found on Thingiverse, and a video of the finished product is provided as well." top
Unlock Your Android Phone with Open Source Wearable NFC
Unlock your phone by just picking it up! No more pesky password or gesture PIN, just scan an NFC tag! This guide covers creating an NFC ring, putting an NFC tag in your nail polish, modding your Android installation to read tags from the lockscreen, and creating an automation toolchain to unlock the phone when the desired tag is scanned.
coop0030 (263345) writes "The Glaucus, named after the Blue Sea Slug (Glaucus Atlanticus), is an open source soft robotic quadruped from Super-Releaser. It is a proof of concept for a method developed at Super-Releaser that can reproduce nearly any geometry modeled on the computer as a seamless silicone skin. The company hopes to apply these same techniques to practical problems in medicine and engineering as the technology develops.
The quadruped has hollow interior chambers that interdigitate with one another. When either of these chambers is pressurized it deforms and bends the structure of the robot. This bending produces the walking motion. It is similar to how a salamander walks, by balancing itself on one pair of legs diagonal from one another while moving the opposite pair forward." Link to Original Source top
coop0030 (263345) writes "An article out of CNBC discusses the state of open source hardware based businesses. "Few hardware companies would dream of giving up their design secrets, but for a growing niche of entrepreneurs, doing just that is a pillar of their business. The open-source hardware movement is migrating from the garage to the marketplace. Companies that follow an open-source philosophy make their physical designs and software code available to the public. By doing so, these companies engage a wave of makers, hobbyists and designers who don't just want to buy products, but have a hand in developing them."" Link to Original Source top
Announcing Hangout for Make the World: Prosthetics – Friday 10/4/2013 8pm
coop0030 (263345) writes "Make your own open source LED timepiece! Use an Adafruit FLORA and its GPS module to tell time with a ring of pixels. A leather cuff holds the circuit and hides the battery. The watch is chunky but still looks and feels great on tiny wrists! The circuit sandwich becomes the face of the watch, and you'll use a tactile switch to make a mode selector. The watch has timekeeping (one LED for hours and one for minutes), GPS navigation (customize your waypoint in the provided Arduino sketch), and compass modes." Link to Original Source top
coop0030 (263345) writes "Adafruit has a new tutorial that will show you how to use your Raspberry Pi as a WiFi access point that blocks ads by default for any devices using it. This is really neat in that it would work for your Android or iOS device, your Xbox 360, TiVo, laptop, and more without needing to customize any of those devices other than to use your Raspberry Pi as the access point for WiFi. Using an ad-blocker can be useful for conserving bandwidth, helping out low-power devices, or for keeping your sanity while browsing the web!" Link to Original Source top
coop0030 (263345) writes "Feel like someone is snooping on you? Browse anonymously anywhere you go with the Onion Pi Tor proxy. This is fun weekend project from Adafruit that uses a Raspberry Pi, a USB WiFi adapter and Ethernet cable to create a small, low-power and portable privacy Pi." Link to Original Source top
"B is for Battery" - Circuit Playground Episode 2!
coop0030 (263345) writes "Eric Michaud, co-founder of PSOne and HacDC has created “The List” – it is the direct result of the overwhelming interest in starting Hackerspaces that hit his inbox. When so many people asked for help with the very basics of starting and running a successful Hackerspace, he compiled this list to make it as easy as possible for potential Hackerspace founders to hit the ground running (and not forget anything important). Since then, “the list” has been distributed and shared within Hackerspace culture. It has helped with structuring the success of many Hackerspaces – and hopefully with this update and public release, it will serve as a handy go-to checklist for your awesome Hackerspace-to-be." Link to Original Source