Build the internet of things with Raspberry Pi!
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The document outlines the hardware and software requirements for a Raspberry Pi project involving a camera and various APIs, including Node.js and the Google Drive API. It includes instructions for setting up the Raspberry Pi, testing USB and camera functionalities, and connecting to Twitter's streaming API. Additionally, resources and links for further setups and scripts are provided.
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- 2. The recipe Hardware Stack • Raspberry Pi Model B (512 MB Ram) • Raspberry Pi Camera Module (2 MP) or any compatible USB Cam * • Ethernet Cable • Wifi dongle: Edimax EW-7811Un 150Mbps Wireless • SD Card ( 4 GB ++)
- 3. The recipe Software Stack • • • • • • Raspbian OS Node.js (v 0.10.2 +) Python (V 2.7) Shell Scripts Twitter Stream API Google Drive API
- 4. Downloading weapons Node.js on Raspberry Pi: https://github.com/DonaldDerek/rPi-cheat-sheet
- 6. Connecting to your raspberry pi ssh-ing #Avahi Deamon should be installed ssh [email protected] #Static IP shh [email protected] Usefull Links: http://elinux.org/RPi_Advanced_Setup
- 7. * Testing USB Cam Resurrecting ancient technologies #Test USB Camera Lsusb #Take images from RaspberryPi USB Camera fswebcam -d /dev/video0 -r 640x480 test.jpeg
- 8. Testing Rpi 2mp cam Tiny yet amazing camera! raspistill –o test.jpg -w 640 -h 480
- 10. App architecture Where all your scripts belong • node_modules/ • ntwitter/ • Request/ • bin/ • atom/ • gdata/ • gdrive.py • images/ • App.js • Config.js • Controller.js • Package.json • tw-upload.js
- 11. Twitter stream api The communication layer is built upon Twitter’s infrastructure var twit = new twitter(config); // Check Credentials twit.verifyCredentials(function (err, data) { if(err) console.log(err); }) .stream('user', {track:watch}, function(stream) { console.log("Twitter stream is ready and waiting for inc tweets...") stream.on('data', function (data) { //Check if tweet is not empty if (data.text !== undefined) { //Action Code here } }); //Catch errors stream.on('error', function (err, code) { console.log("err: "+err+" "+code) });
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