Raspberry Pi controlled power bar.

A latching relay is used in this power bar. With this special relay you can switch on and off a lamp, your PC, your Hard-disk or any other devise with a little python program on your Raspberry Pi Advantage and disadvantage of the Latching Relay Why using a latching relay instead of a normal relay. A relay is a switch controlled by an electro magnet. When an electric current is flowing through the electro ma ...

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NFC with Raspberry Pi and Arduberry

The Arduberry is a simple and inexpensive way to bring Arduino shields to the Raspberry Pi. The device is a shield that slides over the Raspberry Pi and allows you to stack and use Arduino shields. The Arduberry requires no physical configuration to work with most shields. You can write Arduino sketches (programs) right on your Raspberry Pi. This example will show how to use a Adafruit NFC shield to read an ...

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Raspberry Pi accessories tin

After waiting several months, my Raspberry Pi finally arrived. As it comes quite naked, you need some accessories to use it. First you need a SDCard to store your operating system, then you need some connection to a display, if you use it for penetration testing like I do, you may want a WiFi and a Bluetooth dongle and finally you have to connect a keyboard and a mouse. So as there are only two USB ports yo ...

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Raspberry pi “Power” case

I am big fan of Raspberry pi and i am using it as NAS and torrent box among other things. I hate wire clutters and i only use my raspberry pi with putty, so i decided to make a little mod, so you can plug raspberry directly into AC socket. Step 1: Things you need Raspberry pi 2. raspberry pi case (you can make your own) 3. some other enclosure (i used wireless n repeater that i bricked with wrong firmware ; ...

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$199, 4.2” computer is Intel’s first Raspberry Pi competitor

The Minnowboard: More expensive, more powerful, more open. With the Raspberry Pi, Arduino Due, and BeagleBone, the world is full of cheap, tiny computers that can be used by creative developers in everything from robots to space flight. One thing these platforms have in common is an ARM processor. Now they have some competition from Intel with its "MinnowBoard," a $199 computer in the form of a 4.2" x 4.2" ...

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11 Arduino projects that require major hacking skills—or a bit of insanity

Raspberry Pi has received the lion's share of attention devoted to cheap, single-board computers in the past year. But long before the Pi was a gleam in its creators' eyes, there was the Arduino. Unveiled in 2005, Arduino boards don't have the CPU horsepower of a Raspberry Pi. They don't run a full PC operating system either. Arduino isn't obsolete, though—in fact, its plethora of connectivity options makes ...

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Creating a $99 parallel computing machine is just as hard as it sounds

Ten months ago, the chipmaker Adapteva unveiled a bold quest—to create a Raspberry Pi-sized computer that can perform the same types of tasks typically reserved for supercomputers. And... they wanted to sell it for only $99. A successful Kickstarter project raised nearly $900,000 for the so-called "Parallella," and the company got to work with a goal of shipping the first devices by February 2013 and the re ...

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Raspberry Pi Heat Sink

Project Difficulty: Easy Project Time: Less than 5 minutes Materials Needed: Thermal compound Small heat sink (I got mine form an on-board graphics processor on an old computer) Tools Needed: Hack saw (With metal cutting blade) Vice File (Optional) Screw Driver (Optional) Knife (Optional) Step 1: Getting your heat sink . You can find heat sinks that are 1/2 in x 1/2 in or larger. • Old computers (on the on- ...

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Raspberry Pi and Breadboard (Raspberry Leaf)

If you are using your Raspberry Pi with Breadboard, and you have lots of connections to make, then the Pi Cobbler from Adafruit is pretty neat. However, sometimes you only need to make a couple of connections and the Cobbler is overkill and a few Male to Female jumper leads will do just fine. The drawback with using Male to Female jumpers direct onto the GPIO is that you then have to count down the pins try ...

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Microcontrollers: The Basics

Overview Different kinds of computers are designed for different purposes. The computer at the heart of your laptop is optimized for different puprposes than the one in your phone or the one in your mouse. The simplest computers are those that are designed to take inout from the phyiscal world and control output devices in the physical world. These are called microcontrollers. Most electronic devices you us ...

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