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Arduino Poor Man’s Oscilloscope
This tutorial will show you how to use your Arduino as an oscilloscope. We end the tutorial with a verification portion that uses the Arduino to generate a square wave, requiring a single wire....
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Raspberry Pi + Arduino + SPI
This tutorial will show you how to communicate from your raspberry pi to your arduino using 3-wire SPI. Requirements 1 Raspberry pi (running Raspbian) 1 Arduino 4 wires Your raspberry pi should be...
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Raspberry Pi + MSP430 + SPI
This tutorial will explain how to communicate from the Raspberry Pi to an MSP430 Launchpad board (M430G2553 chip) using SPI. Requirements 1 Raspberry pi (running Raspbian) 1 MSP430 TI Launchpad 3...
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Easily connect Raspberry Pi to Gmail, Facebook, Twitter & more!
Easily connect your Raspberry Pi to web services and social networks! This tutorial demonstrates how to painlessly send and receive Gmail on the Raspberry Pi from Python, which in turn, allows you to...
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Raspberry Pi + PWM RGB LED Strip
This tutorial demonstrates how to easily use a Raspberry Pi to drive 12V RGB LED strips using Pulse Width Modulation (PWM). Out of the box, the Raspberry Pi has only one GPIO pin that is capable of...
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Raspberry Pi Google Talk Robot
Google Talk/Chat/Messenger is normally used by humans to interact with other humans. However, its underlying technology can also be used as a mechanism to implement software robots. Internet bots,...
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Raspberry Pi OpenCV Pan & Tilt Face Tracker
Create your own face tracking, pan and tilt camera on the Raspberry Pi! This tutorial will demonstrate use of the OpenCV (computer vision) library to identify and track faces on the raspberry pi using...
View ArticleBeaglebone + Ubuntu
We can install Ubuntu 2-ways. To the external SDCARD To the internal MMC Installing to the internal MMC requires an SDCARD to install, but the sdcard is not required after that. The process is mostly...
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Devstack on EC2 via Ansible
topamax once a day So you want to get an instance of OpenStack running to poke around and see what all the fuss is about without going insane. Welcome to Devstack. Once Devstack is setup you will have...
View ArticleMongoDB vs. Postgres; A specific use case
topamax once a day I’ve recently taken a job at Ansible working on the enterprise offering Tower. In case you don’t know, Tower is a front-end for your Ansible playbooks w/ enterprise permission...
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