Home Automation Using Raspberry PI

1. Bülent ÖZHORASAN
Ankara, 22 May 2014

2. Caution : Be Careful in Handling Mains Voltage!

3.  Welcome
 Open Source Hardware Projects Rpi, Arduino
 Raspberry Pi Features
 Possible Areas of Use
 Remote Connecting to Raspberry Pi
 Java and Raspberry Pi: Open JDK, Oracle JDK

4.  Installing Tomcat
 Installing no-ip.org Client and Internet Access
 Prime Faces Application Deployed in Tomcat in
Raspberry Pi
 Source Code Walkthrough
 Remote Deploying war file
 Hardware interfacing Digital Out
 Hardware interfacing Analog In
 Fritzing Tool
 Demo

5. Beagle Bone (Texas Instruments)
Korean Firm, former game platform
SOC: Sytem on a Chip

6.  Single Board Computer
 Broadcom BCM2835 system on a
chip (SoC)
 ARM1176JZF-S 700 Mhz processor
 VideoCore IV GPU
 512 MB RAM
 SD card for booting and persistent
storage.
 Linux Operating system
 Low Cost
 Low Power
 Python is the native programming
language C,Java,Perl available

7.  Hobbies
 Educational Purposes
 Low Cost File/Media Server
 Low Cost Web Server for small applications
 Fast Prototyping (In Development Stage)
 Even build a home brew supercomputer!
Check
 Kickstarter.com
 Make: Magazine
 Maker faires

8.  SSH
 Putty and WinSCP
 Without router: NO NEED for a cross-over cable.
RPi LAN chip is smart enough to reconfigure
itself for direct network connections.
 Routerless Connection: dhcpsrv2.4
 Mobile Connection: Juice SSH Android

9.  Open JDK,Oracle JDK
 Oracle JVM with ARM processor support is
available
 Comes in Raspberry Pi already installed
 Pi4J Lib

10.  Installing tomcat
Download tomcat package and unzip it to /usr/lib/apache-tomcat-
7.0.47
tar xzf apache-tomcat-7.0.28.tar.gz
cd apache-tomcat-7.0.28/conf
vim tomcat-users.xml
 Add a user to the authorization file
Tomcat-users.xml file
directly below <tomcat-users> add
<user username="pi" password="raspberry" roles="manager-
gui"/>
 Start Tomcat
sudo sh startup.sh

11.  Free Dynamic IP Adress
 Download no-ip client
wget http://www.no-ip.com/client/linux/noip-duc-
linux.tar.gz
 Run client
sudo /usr/local/bin/noip2
 Automatic startup
Create script in /etc/init.d

12. Can be used from Mobile Clients,too

13.  IoC
◦ GPIOControllerFactory
 Testability
◦ Apache Commons PropertiesConfiguration
◦ Parameters.properties
◦ MockGpioController and MockGpioPinDigitalOutput

14. Script using SSH command line tools
AutoDeploy.bat:
"d:programsputtypscp" -batch -pw raspberry
C:UsersRootDesktopPrime01.war pi@192.168.1.2:/home/pi
"d:programsputtyplink" -batch -ssh -2 -l pi -pw raspberry -m "deploy.cmd"
192.168.1.2
Deploy.cmd:
echo Shutting down...
sudo /usr/lib/apache-tomcat-7.0.47/bin/shutdown.sh
echo Shut down...
sudo rm -r /usr/lib/apache-tomcat-7.0.47/webapps/Prime01
sudo cp Prime01.war /usr/lib/apache-tomcat-7.0.47/webapps
echo Starting ...
sudo /usr/lib/apache-tomcat-7.0.47/bin/startup.sh
echo Started...

15.  Digital Outputs & Relay Driving
 Draw no more than 3mA from GPIO ports
 A small relay will draw between 50-100mA
from 5V power line.

16. Analog Input & Ambient Temperature Sampling
MCP3208 8-Channel
12-Bit A/D Converters
LM35 Precision Centigrade
Temperature Sensor
Bit banged SPI (Serial Peripheral Interface) interface of the A/D converter chip programmatically
Rpi, LM35 and MCP3208 Connections

18.  Testing other app servers namely Nginx
 Scalable i2c and SPI interfaces
 IoT namely Dweet.IO
 SQLite

20.  http://www.raspberrypi.org
 http://www.arduino.cc/
 http://www.dhcpserver.de/
 http://learn.adafruit.com/reading-a-analog-in-and-controlling-audiovolume-with-the-raspberry-pi
 http://pi4j.com/
 http://www.susa.net/wordpress/2012/06/raspberry-pi-relay-using-gpio/
 Raspberry Pi Measurement Electronics: hardware and software [Kindle Edition]
 http://www.zdnet.com/build-your-own-supercomputer-out-of-raspberry-pi-boards-7000015831/
 http://fritzing.org/home/
 http://www.adafruit.com

21.  Thank you for your attention