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Clouds Happen

This is a versatile system of hardware and software to evaluate outside weather conditions vs inside weather conditions.

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This system is a low cost weather station that uses Raspberry Pi B+ and Texas Instruments Sensor Tag CC2650 to compare outside weather with internal conditions. Using Node Red and Freeboard , a dashboard can be created to visualize the data. Good for green houses. feral cat shelters, dog shelters, barns or even bee hives. Keeping our companion animals safe. I have also added a voice command system to play music for enclosed animals. I will also be including the Enocean Pi and a Reed Sensor to trigger a node red if a door has been opened or closed.

There is a growing number of groups and individuals working to improve the conditions of factory farms, zoos and other captive animal enclosures. This project is a starting point to provide a real time dashboard to monitor weather conditions inside and outside. And to top it off – live streaming from a Raspberry Pi Camera.

The general weather can include humidly, precipitation and sunlight. Climate also refers to ambient things such as noise, artificial light and vibration. Housing an animals in a poorly build enclosure may cause chronic stress and possible death.

Humidity

I live in a province where we experience moderate summers. When we do have a day with high humidity it is uncomfortable and causes us to seek a cooler place. On factory farms higher humidity causes issues with feces and urine that linger and increase the chance of bacterial infection. Wet bedding will also need to be changed more frequently. If the humidity is too low than bedding can be too dry and cause more dust. The increase in dust can cause irritation and respiratory infections. High humidity contributes to stress.

Temperature

Every animal has a “thermoneutral zone”. This is where the metabolism works most efficiently. Once outside this zone it becomes a source of stress.

Light

Light Intensity is the third crucial factor to any captive animal’s welfare. Light Intensity and duration can have profound effects on behavior and body chemistry. This happens on Factory Farms where animals are not exposed to natural light. These animals require an appropriate number of hours of light each day. Exposing any animals to light 24 hours a day can destroy their circadian rhythm. This can lead to a refusal of food, inability to sleep and possible death.

Wikipedia defines circadian rhythm as:

A circadian rhythm is any biological process that displays an endogenous, entrainable oscillation of about 24 hours. These 24-hour rhythms are driven by a circadian clock, and they have been widely observed in plants, animals, fungi, and cyanobacteria.

  • Alexa Sample Response to "The Barn What is the Temperature?"

    Brenda Armour08/22/2016 at 11:14 0 comments

  • Integrating Voice Control , Node Red and Sensor Tag

    Brenda Armour08/20/2016 at 15:39 0 comments

    I have decided on the final model for the weather station. In order to improve the automation , I have extended the use of Alexa voice control using the Skills Set. I have decided on using two Raspberry Pi computers. I also want to thank those who have shown interest and support for the project. I have learned a lot about the Internet of Things and deployment of data to the Cloud. This project has made me a better programmer !

    Worker Pi

    This Raspberry Pi is connected to IBM Bluemix and I have documented the steps to install the software to deploy the sensor data to the cloud. I will be testing extending the sensor network using Xbee in the near future so will leave the project open. I am using a slightly different version of Freeboard that works with Node Red in Bluemix. This will allow anyone to visualize the data delivered by the sensor tag on any internet connected device. I'm using the Raspberry Pi B. I also am using a USB hub.

    Commander Pi

    The Commander Pi can be placed at any location with a network connection. So if the Worker is in the barn the Commander may be in the house or at the office. As long as there is a network connection, it will be communicating with the Worker Pi using the Bluemix cloud and Amazon cloud. The Commander allows you to ask about the temperature, humidity and lux settings within the enclosure. You can still view the dashboard but this is a powerful way to quickly check the status of indoor weather conditions using voice commands. I have documented setting up Alexa on the Raspberry Pi but this time I will be using Skills to enhance the use of voice control. I'm using the Raspberry Pi 2.

    The beauty of the model is its flexibility and low cost.


    Let's get started !

    Alexa Skills for Weather Station

    Once you have Alexa set up on your Raspberry Pi (see log ) you can customize commands . I have demonstrated some basic commands in the video but the sky is the limit as to what you can do with the skills kit.

    Node Red

    For this final stage I am using the Bluemix Node Red rather than a local install on the Raspberry Pi. The setup includes nodes to connect Alexa to my FoxTracker project on Bluemix. I will just be focusing on temperature for now because of the deadline . I created a short video to show the properties of the nodes. I used two sessions of Putty to get this working.

    Fire Up the Worker Pi to connect to Bluemix.

    See my log entry for details on installing and running the program. You should see the following if the program did run successfully on Putty.

    Fire Up the Commander Pi to connect to Alexa

    See my log entry for installing and running the program.

    Setting up the Skill Sets

    Log into Bluemix and select FoxTracker


    FoxTracker Dash Board includes the url for Routes. We are going to be using this as an endpoint in Alexa. My route is FoxTracker.mybluemix.net. Later I will use this url and the url I set up for the http node.

    Log into Amazon Developer website and select Alexa Skills Set.

    Name your skill and choose a Invocation Name. I simply called mine "the barn". So in this demo I will be saying "Alexa ask the barn what is the temperature ?"

    Set up the Intent Schema. This is flexible. I set up the parameters I wish to test.

    Set up Utterances for your Intents. I only included one for each intent but you can include a number of variations as to what someone may ask. i.e How's the temperature ?

    Setup your Endpoint. Copy your url from Bluemix and add the url you specified in Node Red.

    Select the second option for wildcard certificate.

    Test your Utterance ! Make sure your Endpoint is correct or it will not work.

  • Bringing the components together Part 1

    Brenda Armour08/13/2016 at 16:08 0 comments

    Its been some time since I added a new log. I have been mulling over how to bring this all together. At first I thought this phase might be a new project. But I think it can be incorporated nicely to Clouds Happen. I will be sending the Sensor Tag motion data to IBM Bluemix Cloud .

    Sending Sensor Data to IBM Bluemix

    I used this excellent video by Ryan Baxter exclusively to achieve the deployment of sensor motion data to Bluemix The video was made in Nov 12, 2014 and Bluemix has changed. His video can be found here: . He was using a Beaglebone Black as a gateway and I am using a Raspberry Pi B. I had to make some modification to his code to accommodate the changes to Bluemix which I have documented. The screenshots in the video have changed so if you do follow the video than you may have to improvise to get where you need to be. Basically all you are doing is connecting a device and than creating a service. Then you can create a APP. You also need to sign up for a free trial from IBM. If I missed a step please let me know

    At your terminal (I'm using Putty) use Git command to clone the repository . Found here - https://github.com/IBM-Bluemix/iot-sensor-tag.

    git clone https://github.com/IBM-Bluemix/iot-sensor-tag
    

    Move to the publish directory and execute the command npm install – You may see some warnings but as long as they are not errors it should be okay.

    Now lets set up our Raspberry Pi in Bluemix ;

    Console for IBM. Click on Catalog.

    Select Internet of Things on the left. Now select Internet of Things

    Under Connect you device – click on Launch dashboard

    Select Create Device Type

    Select Create device type:

    Name your Device. Add the MAC address for the Pi. The MAC address can be found using ifconfig. All other fields are not mandatory

    Generate you credentials . This is where I had to modify the code. During the setup you have to create a config.properties to store you credentials generated by Bluemix. This screen shot shows what I copied from Bluemix to Notepad. I changed the field names to match his code. My credentials have changed so I'm not concerned about showing them. The device.cfg shows one set of credentials modified to work in the program. If you view his video the syntax has changed to the example in Notepad. Use sudo nano within the publish directory to copy your credentials to that was generated by Bluemix.





    Now we can start the program from the publish directory.

    Node sensor-tag.js

    Make sure your sensor tag is connected and you should see this in Putty.

    Lets go back to Bluemix. Connected to fox tracker

    Sensor data coming in !


    I have created an app for the Fox Tracker .


    Click on view App. I also imported a node red flow from the git repository.


  • Open -Source Licenses and Permissions

    Brenda Armour07/11/2016 at 20:08 0 comments

    Open –Source Licenses and Permissions

    PiAUIS Suite

    https://tldrlegal.com/license/gnu-general-public-license-v3-(gpl-3)

    You Tube Live Streaming

    https://www.google.com/intl/en/policies/terms/

    Alexa

    https://github.com/amzn/alexa-avs-raspberry-pi/blob/master/LICENSE.txt

    https://developer.amazon.com/edw/avs_agreement.html

    Amazon Developer Kit

    https://developer.amazon.com/appsandservices/support/legal/tou

    VPN tight

    http://www.tightvnc.com/licensing.php

    FHEM

    License: GPL (v2)

    BlueMix

    http://www.ibm.com/legal/us/en/?lnk=flg-tous-usen?lnk=flg

    Raspberry Pi

    Raspberry Pi is a trademark of the Raspberry Pi Foundation.

    Raspbian and NOOBS contain Java SE Platform Products, licensed to you under the Oracle Binary Code Licence Agreement available here

  • Clouds Happen Overview

    Brenda Armour07/11/2016 at 11:17 0 comments

  • Adding Enocean Pi to the Mix

    Brenda Armour07/10/2016 at 20:00 0 comments

  • Revised Enocean Pi for Automation of Physical Objects

    Brenda Armour07/10/2016 at 17:15 0 comments

    I am using Enocean Pi to sense if a door has been opened or closed. I decided to use the Raspberry Pi B and Raspbian as the operating system. I also installed FHEM for testing. Changes to Jessie seems to have altered the serial port for the Raspberry Pi. The serial port /dev/ttyAMA0 is missing in the update.
    This is the third component to my project. The actuator is a reed or contact sensor. No batteries required or wiring for Enocean sensors.


    Installation of FHEM:

    sudo apt-get install perl libdevice-serialport-perl libio-socket-ssl-perl libwww-perl
    sudo apt-get install -f
    wget http://fhem.de/fhem-5.7.deb
    sudo dpkg –i fhem-5.7.deb



    http://<RaspberryIP>:8083/fhem



    I clicked on the learning button on the contact sensor and now have a room called Enocean. The contact sensor is given a unique ID. When I bring the magnet close to the contact sensor and then move it away that state will change.
    The idea is to provide an inexpensive way of providing alerts if a door or window has been opened. Looks like every thing is configured correctly so I install Node Red.

    wget http://node-arm.herokuapp.com/node_latest_armhf.deb
    sudo dpkg -i node_latest_armhf.deb
    sudo apt-get install build-essential python-rpi.gpio
    hash -r
    
    

    If you are using Raspbian then an additional step must be taken:

    sudo apt-get install gcc-4.8 g++-4.8


    Next:

    sudo npm cache clean
    sudo npm install -g --unsafe-perm  node-red
    

    I had experimented with TheThingBox and liked their Enocean node . So I installed the node and had some unexpected results.

    Install Node:

    npm install ttb-enocean

    But the Enocean nodes that did displayed worked !

    The configuration of the Enocean Node looks like this:

    The payload was not what I expected. But I can work with this. I added Freeboard node to the flow:

     cd ~/.node-red
    npm install node-red-contrib-freeboard
    Now that I have a rather unexpected result in the payload . I was expecting this:

    // 1BS sensor telegram msg.ID // EnOcean device/chip ID

    msg.state // 8 open or 0 // 9 close or 1

    Next: Set Up Dashboard for Enocean Reed Sensor

    I had to set up a Dweet Thing for the contact sensor.

    Now back to Freeboard:

    I added an Indicator Light to the dashboard to warn if the door is open.


    Now install Dweetio Node:

    cd ~/.node-red

    npm install node-red-node-dweetio

    I noticed that the datasource for the Enocean Pi was not updating in real time. As I moved the magnet close to the sensor nothing happened. Once I started to send the msg.payload to my Dweet then it worked. The Open State means the magnet is away from the sensor so the Door is open. The Closed State means the magnet is close to the sensor so the Door is closed. Here's a short video of testing the sensor:

  • New VoiceCommand

    Brenda Armour06/28/2016 at 19:19 0 comments

    Yes I have left my previous attempt for Voice Commands behind. I installed Alexa from Amazon on the raspberry pi 2. If you want to add voice command to your project then you should try this out. There is no cost and you do not have to give out credit card info. It performs better than what I expected. Alexa is chatty but does provide detailed info from my questions. My only issue remaining is extending WIFI. Okay have another week for that.



    STEP 1 VNC SERVER

    Install VNC Server

    VNC is a graphical desktop sharing system that will allow you to remotely control the desktop interface of your Raspberry Pi from another computer. This will come in very handy as you get rid of the external monitor connected to your Pi. Type:

    sudo apt-get install tightvncserver

    Start VNC Server

    To start VNC Server, type:

    tightvncserver

    You'll be asked to set a password to access the Pi. The password is maximum 8 characters,

    Run VNCServer at Startup

    You want to make sure the VNC Server runs automatically after the Raspberry Pi reboots, so you don’t have to manually start it each time with the command tightvncserver through SSH. To do that, type the following in the terminal:

    cd /home/pi
    cd .config

    Note the '.' at the start of the folder name. This makes it a hidden folder that will not show up when you type 'ls'.

    mkdir autostart
    cd autostart

    Create a new configuration by typing the following command:

    nano tightvnc.desktop

    Edit the contents of the file with the following text:

    [Desktop Entry] 
     Type=Application  
    Name=TightVNC  
    Exec=vncserver :1  S
    tartupNotify=false

    Type ctrl-X and then Y, and then press Enter to save the changes to the fThe next time you reboot, the VNC server will restart automatically.

    Connecting to Raspberry Pi via VNC

    I’m on a Windows 10 Laptop and now need to install a VNC client. The machine is 64 bit so I will be installing the Windows (64-bit) version.

    http://www.tightvnc.com/download.php

    During installation you'll be offered the choice of Typical, Custom or Complete. You only need the VNC client and not the server, so choose Custom. Then select TightVNC Server and choose Entire feature will be unavailable. Click Next. Uncheck the option about Windows Firewall and click Next again, then Install.

    Once the installation is complete you should find TightVNC Viewer under the start menu. When you run it you'll be presented with the dialog below. You will need to enter the IP address of the Raspberry Pi followed by the screen number (:0 or :1). For example: 192.168.0.6:1

    Click on connect and you should see your raspberry pi desktop

    STEP 2 : VLC

    Install VLC

    Get VLC media player by typing:

    sudo apt-get install vlc-nox vlc-data

    NOTE: If you already have VLC installed, you will need to remove two conflicting libraries by running the following commands:

    sudo apt-get remove --purge vlc-plugin-notify
    sudo rm /usr/lib/vlc/plugins/codec/libsdl_image_plugin.so

    Unable to fetch errors If you run into some "Unable to fetch" errors while trying to install VLC, try the following:

    sudo apt-get update  sudo apt-get upgrade  sudo apt-get install vlc-nox vlc-data

    Test that VLC is installed correctly

    Type the following into the terminal:

    whereis vlc

    This will provide you with the installation path.

    vlc: /usr/bin/vlc /usr/lib/vlc /usr/share/vlc /usr/share/man/man1/vlc.1.gz

    Set the environment variables for VLC

    Type the following into the terminal:

    export LD_LIBRARY_PATH=/usr/lib/vlc  
    export VLC_PLUGIN_PATH=/usr/lib/vlc/plugins

    Check if the environment variables were set successfully

    echo $LD_LIBRARY_PATH

    > /usr/lib/vlc

        echo $VLC_PLUGIN_PATH

    > /usr/lib/vlc/plugins


    STEP 3 Apply for a free Amazon Developer Account

    Get a free Amazon developer account if you do not already have one.

    STEP 4: Download the sample app and dependencies on your Raspberry Pi

    Download the sample app zip file from the Github repo. Please note that by downloading this package, you are agreeing to the Alexa Voice Service Agreement...

    Read more »

  • Adding Video and Indicator Lights to Dashboard

    Brenda Armour06/27/2016 at 17:23 0 comments

    I spent Sunday improving the Dashboard. I was still interested in streaming live from You Tube. I also wanted to test everything out. So the test subject was me in a motel room with no air conditioning. Its hot and humid and very uncomfortable. I found out that yes you can live stream from the Raspberry Pi camera and after some tweeking had a nice green healthy stream. Below is my live stream from my room. Not too much happening !

    You cannot live stream ddirectly from the FreeBoard pane but you can capture the video from your live stream.

  • Clouds Happen PiAUISuite for Music Part 1

    Brenda Armour06/21/2016 at 17:40 0 comments

    My Dashboard is almost ready. I decided to add voice controlled music based on this study:

    http://mentalfloss.com/article/70539/7-scientific-studies-about-how-animals-react-music

    This contains a summary and links to 7 studies on how music can impact the lives of animals. Music can reduce agitation, promote sleep, and improve mood, and lower stress and anxiety. Dogs prefer classical over heavy metal. Apparently cats are more pick and there has been research on music that appeals to them. You can hear a sample at this link.

    http://www.musicforcats.com/

    Cows enjoy calm music—like R.E.M.'s "Everybody Hurts," Simon & Garfunkel's "Bridge Over Troubled Water," and Beethoven's "Pastoral Symphony”

    So I will be expanding on this before the end of the contest. The best Voice Command software was PiAUISuite that was developed in 2013. I watch the video and knew this is what I wanted. But with changes since the first build, it was a challenge to get this running on the Raspberry Pi. After reading countless forums I found the following steps worked. After I post this, I will reproduce the setup on a different SD card for a final test.

    Step 1: Setting up and testing the Microphone:

    I have budget constraints and chose the low cost Logitech c170 webcam with a microphone included. I paid $22 CND for it and it works like a charm. When I first tested this with aplay I received just static noise. So I had to configure my microphone for the raspberry pi. First you need to load the drivers.

    sudo modprobe snd_bcm2835
    sudo nano /etc/modprobe.d/alsa-base.cong
    options snd-usb-audio index=1

    To save it you need to CTL+X. If the module is blank just add the code, Same for the next step.

    Then:

    sudo nano /etc/asound.conf 


    pcm.!default {
    type plug
    slave {
    pcm "hw:1,0"
    }
    }
    ctl.!default {
    type hw
    card 1
    }
    sudo reboot

    To save it you need to CTL+X before you reboot.

    Run this command and say something:

    arecord -D plughw:1,0 -f cd test.wav

    Play it back

    aplay test.wav

    Okay so I received my recording back..”testing 123” and know my mic is working.

    As a side note – I’m pushing the sound to my RCA TV using HDMI connection to the Pi. I had to run a few commands:

    sudo nano /boot/config.txt

    Uncomment the line by deleting #

    hdmi_drive=2

    Step 2: Install Dependencies

    sudo apt-get install -y libboost-dev libboost-regex-dev youtube-dl axel curl xterm libcurl4-gnutls-dev mpg123 flac sox

    Step 3 Install PiAUISuite:

    git clone https://github.com/StevenHickson/PiAUISuite.git
    
    cd PiAUISuite/Install
    
    ./InstallAUISuite.sh

    During the install a number of questions will be asked for the commands.conf file. General consensus instructs us to say yes to all the questions. To get this all to work I did a manual rather than an automatic setup for VoiceCommand so said no. .My threshold was different than the default. An once I had the correct threshold I could see the recording as mono and signed. I'll post my .commands.conf file in the log.

    Step 4: Replace the tts file:

    We have to replace the tts (Text to Speech) with this: The file is in the VoiceCommand folder.

    #!/bin/bash
    
    
    #since google ended TTS, this script
    replaces tts with pico2wave.
    
    
     
    
    
    if [ $# -lt 1 ]  
    
    
    then               #an argument was not entered -
    pico2wave needs something to say
    
    
      
    /usr/bin/pico2wave -w /tmp/tempsound.wav "I have nothing to
    say." 
    
    
      
    /usr/bin/aplay -q 
    /tmp/tempsound.wav
    
    
      
    rm /tmp/tempsound.wav
    
    
      
    exit 0
    
    
    fi
    
    
    speech=$@  
    
    
    /usr/bin/pico2wave -w
    /tmp/tempsound.wav "$speech"  
    
    
    /usr/bin/aplay -q  /tmp/tempsound.wav
    
    
    rm /tmp/tempsound.wav
    
    
    #!/bin/bash
    
    
    #since google ended TTS, this
    wrapper-script replaces tts with pico2wave.
    
    
    #version 0.2 -now rudimentarily handles
    language -l param.
    
    
     
    
    
    if [ $# -lt 1 ]  
    
    
    then                  #no argument entered - i need
    something to say
    
    
      
    /usr/bin/pico2wave -w /tmp/tempsound.wav "I have nothing to
    say." 
    
    
      
    /usr/bin/aplay -q /tmp/tempsound.wav
    
    
      
    rm /tmp/tempsound.wav
    ...
    Read more »

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