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Lithium Battery Pack Design for Boosted's Electric Skateboard
As with our previous posts, you can skim the photos and captions for a quick read or dive into the text for more details. The power capability of Boosted's drivetrain would be useless without a...
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How to run an Arduino clone on a 9V battery for weeks or even months
About a year ago, I started building wireless sensors that needed to run on a battery. I quickly found out however that this wasn’t going to be easy: A battery would only last for a few days,…
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Chromecast: Exploiting the Newest Device By Google
On Wednesday, July 24th Google launched the Chromecast. As soon as the source code hit we began our audit. Within a short period of time we had multiple items to look at for when our devices arrived. Then we received our Chromecasts the following day and were able to confirm that one of the bugs existed in the build…
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The Z-80 has a 4-bit ALU. Here's how it works.
The 8-bit Z-80 processor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum, and it is s...
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Developer ports iOS core to non-Apple hardware
Reecently, I achieved one of the core milestones of my personal project, porting the Darwinkernel to the ARM architec...
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The largest computer ever built
While cold war jets are an old interest of mine, almost everything built to fight the cold war fascinates me. All ages are characterized by madness; only a few have that madness captured in physica…
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Drivetrain Design for Boosted's Electric Skateboard
The drivetrain, like the motor controller, has evolved extensively since the boards we built before Kickstarter. We’re going to take you through some of the principles and constraints that have...
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How to build a $5 Arduino clone
If you are like me and build projects with Arduino, you must have felt the frustration with ripping your project apart, because you wanted to build something else with that Arduino. I have had the …
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60W equivalent LED bulb uses 9.5W and costs $13
Slot 10k di situs CEGIL29 untuk user pemula mudah daftar beserta testimonials game slot 10rb terlengkap dengan deposit QRIS murah, panduan main, hingga info slot88 gampang menang.
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The Factory Floor, Part 1 of 4: The Quotation (or, How to Make a BOM)
This month, I will be teaching a few MIT Media Lab graduate students and doing a bit of a “geek tour” of Shenzhen – we will visit several factories and live among the electronic markets to facilitate new directions and expand horizons in the students’ hardware-oriented research projects.
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Faking Bluetooth LE
Dmitry.GR: Creating BTLE-compliant advertisement packets, so that iOS and android devices can see and parse them.
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How to Write Safe Verilog: Become a PL Troll
Troll? That's how people write Verilog 1 . At my old company, we had a team of formal methods PhD's who wrote a linter that typechecked our code, based on our naming convention. For our chip (which was small for a CPU), building a model (compiling) took about five minutes, running a single short test took ten to…
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Reverse Engineering a Furby
Table of Contents Introduction About the Device Inter-Device Communication Reversing the Android App Reversing the Hardware Dumping the EEPROM Decapping Proprietary Chips SEM Imaging of Decapped Ch…
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CircuitLab + Electronics.StackExchange.com Integration
We are excited to announce that CircuitLab is now integrated with the Electrical Engineering Stack Exchange site! Users can now insert a CircuitLab schematic directly into their question or answer.
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Future instruction set: AVX-512
Software optimization resources | E-mail subscription to this blog | www.agner.org
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AppleTV 6.0 requires Fairplay-DRM Airplay Sources
Visit the Rogue Amoeba blog to read more.
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IllumiRoom: Peripheral Projected Illusions for Interactive Experiences
IllumiRoom is a proof-of-concept system from Microsoft Research. It augments the area surrounding a television screen with projected visualizations to enhance the traditional living room entertainment experience. Read the CHI 2013 Best-Paper: IllumiRoom: Peripheral Projected Illusions for Interactive Experiences (7.6…
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Inside the ALU of the 8085 microprocessor
The arithmetic-logic unit is a fundamental part of any computer, performing addition, subtraction, and logic operations, but how it works i...
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Transparent gel-based audio speaker
Gel-based audio speaker demonstrates capabilities of ionic conductors, long thought limited in application