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A Step by Step Guide to Develop Temperature Sensor IoT Application
Using IBM Bluemix
www.azilen.com 02
What is IBM Blue-mix?
IMB Bluemix provides readily available environment for applications,
infrastructure and services. Integrated with IBMWatson, it offers possibilities of
cognitive services as well.
We have developed an IoT application using IBM Bluemix, Raspberry PI – 3 and
a virtual device that sends email notifications to user as and when there is a
fluctuation in temperature.
Process flow: Virtual device will be placed at desired location >> If temperature
at that location rise more than 21 degree centigrade, the user will simply get
notification about it by email.
This blog is a step by step guide to develop temperature sensor IoT application
and it includes:
• Virtual device & Raspberry PI integration with IBM Blue-mix
• Register Virtual Device and analyze the device data
• Register Raspberry PI – 3 and analyze the device data
• Linking Raspberry PI with our device through IBM Bluemix
www.azilen.com
Virtual device &
Raspberry PI integration
with IBM Blue-mix
www.azilen.com 02
You register Raspberry PI – 3 with Blue Mix. Up to scertain extent the process of
registering and adding Raspberry PI – 3 will be quite similar to registering and
adding virtual device that you have gone through in first phase of this blog.
www.azilen.com 01
Step by Step Virtual device & Raspberry PI integration
with IBM Blue-mix
1. Open www.bluemix.net
2. Create free trail account in blue-mix
3. Once the registration & email verification process gets completed, you
can login in to blue-mix.
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4. While you log in for the first time, you need to complete several formalities such as
• Provide your organization name / create your organization
• Create Space (The spac where you can manage your applications and services)
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5. Then, click on ‘Catalog’ and it will display the list of services provided by
IBM Blue-mix.
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6. You need to follow the path: Services >> Internet of things >> Internet of
Things Platform.
7. Write down the name of service you are trying to create in the field
Service Name and click the Create button
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8. Once your service has been created, you will be able to see ‘Launch’ button that
will navigate you to IoT service dashboard
9. From this IoT service dashboard you can manage your devices, schema, charts
etc. We will start with registering our virtual devices and analyzing the data.
www.azilen.com
Register Virtual Device and
analyze the device data
www.azilen.com 06
You register Raspberry PI – 3 with Blue Mix. Up to ascertain extent the process of
registering and adding Raspberry PI – 3 will be quite similar to registering and adding
virtual device that you have gone through in first phase of this blog.
www.azilen.com 01
1. From the dashboard, go to Device and click on Add Device. You need to
choose your device type there from a dropdown list. If you have not
defined any device, click on Create Device Type button to define it.
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2. Once you have defined device type through Create Device Type, you will
able to see device type in the drop-down.
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3. Then you need to provide Device ID, which can be any friendly name.
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4. Once the device is created, IBM will provide your device credentials.
Please save it in safer place.
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5. Once your device has been added, you’ll see your device in
listing panel.
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6. Your device status will be displayed as disconnected. To connect your
virtual device to IoT platform, use the url below, which is the IBM virtual
simulator.
http://watson-iot-sensor-simulator.mybluemix.net/?cm_sp=dw-bluemix-_-
recipes-_-devcenter
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7. You need to key in the device credentials here which are provided to you
by IBM.
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For example:
Organization ID : rri9kn
Device Type : virtualdevice
Device ID : virtualdevice123
Authentication Method : token
Authentication Token : eOTP?4zGr-LYo&Rmn8
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8. Now IoT sensor simulator will try to connect with IBM blue-mix
(You can see that in device listing panel your device status has been updated as
Connected with IBM blue-mix in device listing panel.)
www.azilen.com 10
9. Click on device to view json data received by IBM blue-mix from “Recent
Events” tab.
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10. Now go to Boards >> Create one board.
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11. Click on add chart.
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12. Click on Donut chart >> Select your device and add data set.
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13. Now you’ll able to see donut chart on your dashboard.
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14. Now, if you change the temperature in simulator, you will be able to see
the changes in charts as well.
15. If there is requirement to perform any actions based on data analysis of
collected data, there is flexibility to define relevant notifications settings in
Blue-mix. It means, we can get notifications by mail or by phone in
accordance with settings.
16. For notifications settings, you need to create schema first. For that
follow the path: Device >> Manage Schema Tab >> Create Schema
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Select details for device and move to next
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17. Now, you need to add properties to schema, hence, click on Add property. Please
note that, you need to design our schema based on json we are getting from the
device.
For example :
{"d":{"name":"virtualdevice123","temperature":19,"humidity":57,"objectTemp":23}}
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18. First we will add “d” as parent property based on our json, and then we
will add child properties.
19. Click on “Finish” to add schema.
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20. Now go to Rules >> Create Cloud Rule
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21. Click on “Next” to create cloud rule.
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22. Click on Edit condition to set cloud condition. Then select Temperature
property from drop-down and provide static value as 21.
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23. Follow the path: Edit action >> Add action
24. Click on Activate to add & activate the rule.
25. Now go to simulator and change device temperature to 21 to get
email alert.
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26. Go to Boards >> Rule-Centric Analytics
Alert details will be displayed here in different boards
www.azilen.com
Register Raspberry PI - 3
and analyze the
device data
www.azilen.com 02
1. Dashboard >> Device >> Add Device >> Create Device Type >> IBM will share
credentials for the Raspberry PI – 3 device >> Raspberry PI – 3 device will be
displayed in device listing with disconnected status >> Connect the
Raspberry PI – 3 device
2. In the list you can see our Raspberry PI device status is disconnected.
www.azilen.com 03
3. Setting up Watson IoT on Raspberry PI
To setup Watson IoT platform, you need to download Watson IoT platform
installer from IBM’s Github. Run below command in Raspberry PI terminal
to download Watson IoT platform installer.
curl -LO
https://github.com/ibm-messaging/iot-
raspberrypi/releases/download/1.0.2.1/iot_1.0-2_armhf.deb
4. Once installer has been downloaded, run below command to install it.
sudo dpkg -i iot_1.0-2_armhf.deb
www.azilen.com 03
5. Run below command to verify iot service status.
service iot status
6. If you can see message as shown below, you’re good to go.
iot.service - LSB: IoT service
Loaded: loaded (/etc/init.d/iot)
Active: active (running) since Fri 2017-05-26 21:42:09 IST; 51s ago
CGroup: /system.slice/iot.service
└─2730 /opt/iot/iot /dev/null
www.azilen.com
Linking Raspberry PI
with our device through
IBM Bluemix
www.azilen.com 01
1. To link the Raspberry PI with your virtual device in IBM Bluemix, first of
all you need to IoT service running in Raspberry pi. Run the below
command to stop it.
sudo service iot stop
2. Type the below command to device configuration file.
sudo nano /etc/iotsample-raspberrypi/device.cfg
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3. Copy and paste the device information to device.cfg file. You have received this
information while getting registered with IBM Bluemix.
#Device configuration file
org = p29vg0
type = RaspberryPI3
id = PiBrain
auth-method = token
auth-token = 3*)DPXWa+NFQl&Zgjs
#End of Configuration file
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4. The newer version of Raspberry PI has already come up with Node-RED and
Watson IoT. If you are using the newer version, run following command to update
Raspberry PI
sudo apt-get update
sudo apt-get dist-upgrade
5. Type below command to start Node-RED.
node-red
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6. Once your node-red server has started, you can see it from below url.
www.azilen.com 04
7. IBM offers set of nodes that we can use potentially. Open below url and
copy JSON from it.
https://raw.githubusercontent.com/ibm-messaging/iot-device-
samples/master/node-red/device-sample/quickstart.json
www.azilen.com 05
8. In Node-RED editor go to Menu >> Import >> Clipboard
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9. Paste JSON value to import nodes
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10. Double click on Event node
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11. A pop-up will appear, select “Registered” radio button and click on
edit button.
www.azilen.com 09
12. Add the data which have configured in our device.cfg file.
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13. Click on “Add” button to save the data which help to connect to
IBM Bluemix.
14. Click on “Deploy” button to connect your device with IBM.
www.azilen.com 11
15. Now your device is connected.
www.azilen.com 12
You can conform the connection status through device listing
www.azilen.com 12
Now as your Raspberry PI is connected to IBM bluemix, you can create your
charts, schemas and rules as we have created for the virtual device.
In fact, if cleverly utilized, IBM Bluemix can be the enabler of more than 150
different services being offered by IBM, other service and software providers
and several communities. Due to its ‘Composable Service Approach’ and support
to virtual machine deployments, there are unlimited possibilities to explore its
potential for development of innovative IoT products. As a programmer, I see it
as a next big thing.
www.azilen.com 12
Original Source : http://www.azilen.com/blog/step-by-step-guide-to-develop-
iot-application-using-ibm-bluemix/
Originally Published @ www.azilen.com
www.azilen.com 12
Thanks You
www.azilen.com
Let us know if you have any Question!

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A step by step guide to develop temperature sensor io t application using ibm bluemix

  • 1. www.azilen.com 02 A Step by Step Guide to Develop Temperature Sensor IoT Application Using IBM Bluemix
  • 2. www.azilen.com 02 What is IBM Blue-mix? IMB Bluemix provides readily available environment for applications, infrastructure and services. Integrated with IBMWatson, it offers possibilities of cognitive services as well. We have developed an IoT application using IBM Bluemix, Raspberry PI – 3 and a virtual device that sends email notifications to user as and when there is a fluctuation in temperature. Process flow: Virtual device will be placed at desired location >> If temperature at that location rise more than 21 degree centigrade, the user will simply get notification about it by email. This blog is a step by step guide to develop temperature sensor IoT application and it includes: • Virtual device & Raspberry PI integration with IBM Blue-mix • Register Virtual Device and analyze the device data • Register Raspberry PI – 3 and analyze the device data • Linking Raspberry PI with our device through IBM Bluemix
  • 3. www.azilen.com Virtual device & Raspberry PI integration with IBM Blue-mix
  • 4. www.azilen.com 02 You register Raspberry PI – 3 with Blue Mix. Up to scertain extent the process of registering and adding Raspberry PI – 3 will be quite similar to registering and adding virtual device that you have gone through in first phase of this blog.
  • 5. www.azilen.com 01 Step by Step Virtual device & Raspberry PI integration with IBM Blue-mix 1. Open www.bluemix.net 2. Create free trail account in blue-mix 3. Once the registration & email verification process gets completed, you can login in to blue-mix.
  • 6. www.azilen.com 02 4. While you log in for the first time, you need to complete several formalities such as • Provide your organization name / create your organization • Create Space (The spac where you can manage your applications and services)
  • 7. www.azilen.com 04 5. Then, click on ‘Catalog’ and it will display the list of services provided by IBM Blue-mix.
  • 8. www.azilen.com 05 6. You need to follow the path: Services >> Internet of things >> Internet of Things Platform. 7. Write down the name of service you are trying to create in the field Service Name and click the Create button
  • 9. www.azilen.com 06 8. Once your service has been created, you will be able to see ‘Launch’ button that will navigate you to IoT service dashboard 9. From this IoT service dashboard you can manage your devices, schema, charts etc. We will start with registering our virtual devices and analyzing the data.
  • 10. www.azilen.com Register Virtual Device and analyze the device data
  • 11. www.azilen.com 06 You register Raspberry PI – 3 with Blue Mix. Up to ascertain extent the process of registering and adding Raspberry PI – 3 will be quite similar to registering and adding virtual device that you have gone through in first phase of this blog.
  • 12. www.azilen.com 01 1. From the dashboard, go to Device and click on Add Device. You need to choose your device type there from a dropdown list. If you have not defined any device, click on Create Device Type button to define it.
  • 13. www.azilen.com 02 2. Once you have defined device type through Create Device Type, you will able to see device type in the drop-down.
  • 14. www.azilen.com 03 3. Then you need to provide Device ID, which can be any friendly name.
  • 15. www.azilen.com 04 4. Once the device is created, IBM will provide your device credentials. Please save it in safer place.
  • 16. www.azilen.com 05 5. Once your device has been added, you’ll see your device in listing panel.
  • 17. www.azilen.com 06 6. Your device status will be displayed as disconnected. To connect your virtual device to IoT platform, use the url below, which is the IBM virtual simulator. http://watson-iot-sensor-simulator.mybluemix.net/?cm_sp=dw-bluemix-_- recipes-_-devcenter
  • 18. www.azilen.com 07 7. You need to key in the device credentials here which are provided to you by IBM.
  • 19. www.azilen.com 08 For example: Organization ID : rri9kn Device Type : virtualdevice Device ID : virtualdevice123 Authentication Method : token Authentication Token : eOTP?4zGr-LYo&Rmn8
  • 20. www.azilen.com 09 8. Now IoT sensor simulator will try to connect with IBM blue-mix (You can see that in device listing panel your device status has been updated as Connected with IBM blue-mix in device listing panel.)
  • 21. www.azilen.com 10 9. Click on device to view json data received by IBM blue-mix from “Recent Events” tab.
  • 22. www.azilen.com 11 10. Now go to Boards >> Create one board.
  • 24. www.azilen.com 13 12. Click on Donut chart >> Select your device and add data set.
  • 25. www.azilen.com 14 13. Now you’ll able to see donut chart on your dashboard.
  • 26. www.azilen.com 15 14. Now, if you change the temperature in simulator, you will be able to see the changes in charts as well. 15. If there is requirement to perform any actions based on data analysis of collected data, there is flexibility to define relevant notifications settings in Blue-mix. It means, we can get notifications by mail or by phone in accordance with settings. 16. For notifications settings, you need to create schema first. For that follow the path: Device >> Manage Schema Tab >> Create Schema
  • 27. www.azilen.com 16 Select details for device and move to next
  • 28. www.azilen.com 17 17. Now, you need to add properties to schema, hence, click on Add property. Please note that, you need to design our schema based on json we are getting from the device. For example : {"d":{"name":"virtualdevice123","temperature":19,"humidity":57,"objectTemp":23}}
  • 29. www.azilen.com 18 18. First we will add “d” as parent property based on our json, and then we will add child properties. 19. Click on “Finish” to add schema.
  • 30. www.azilen.com 19 20. Now go to Rules >> Create Cloud Rule
  • 31. www.azilen.com 20 21. Click on “Next” to create cloud rule.
  • 32. www.azilen.com 21 22. Click on Edit condition to set cloud condition. Then select Temperature property from drop-down and provide static value as 21.
  • 33. www.azilen.com 22 23. Follow the path: Edit action >> Add action 24. Click on Activate to add & activate the rule. 25. Now go to simulator and change device temperature to 21 to get email alert.
  • 34. www.azilen.com 23 26. Go to Boards >> Rule-Centric Analytics Alert details will be displayed here in different boards
  • 35. www.azilen.com Register Raspberry PI - 3 and analyze the device data
  • 36. www.azilen.com 02 1. Dashboard >> Device >> Add Device >> Create Device Type >> IBM will share credentials for the Raspberry PI – 3 device >> Raspberry PI – 3 device will be displayed in device listing with disconnected status >> Connect the Raspberry PI – 3 device 2. In the list you can see our Raspberry PI device status is disconnected.
  • 37. www.azilen.com 03 3. Setting up Watson IoT on Raspberry PI To setup Watson IoT platform, you need to download Watson IoT platform installer from IBM’s Github. Run below command in Raspberry PI terminal to download Watson IoT platform installer. curl -LO https://github.com/ibm-messaging/iot- raspberrypi/releases/download/1.0.2.1/iot_1.0-2_armhf.deb 4. Once installer has been downloaded, run below command to install it. sudo dpkg -i iot_1.0-2_armhf.deb
  • 38. www.azilen.com 03 5. Run below command to verify iot service status. service iot status 6. If you can see message as shown below, you’re good to go. iot.service - LSB: IoT service Loaded: loaded (/etc/init.d/iot) Active: active (running) since Fri 2017-05-26 21:42:09 IST; 51s ago CGroup: /system.slice/iot.service └─2730 /opt/iot/iot /dev/null
  • 39. www.azilen.com Linking Raspberry PI with our device through IBM Bluemix
  • 40. www.azilen.com 01 1. To link the Raspberry PI with your virtual device in IBM Bluemix, first of all you need to IoT service running in Raspberry pi. Run the below command to stop it. sudo service iot stop 2. Type the below command to device configuration file. sudo nano /etc/iotsample-raspberrypi/device.cfg
  • 41. www.azilen.com 02 3. Copy and paste the device information to device.cfg file. You have received this information while getting registered with IBM Bluemix. #Device configuration file org = p29vg0 type = RaspberryPI3 id = PiBrain auth-method = token auth-token = 3*)DPXWa+NFQl&Zgjs #End of Configuration file
  • 42. www.azilen.com 02 4. The newer version of Raspberry PI has already come up with Node-RED and Watson IoT. If you are using the newer version, run following command to update Raspberry PI sudo apt-get update sudo apt-get dist-upgrade 5. Type below command to start Node-RED. node-red
  • 43. www.azilen.com 03 6. Once your node-red server has started, you can see it from below url.
  • 44. www.azilen.com 04 7. IBM offers set of nodes that we can use potentially. Open below url and copy JSON from it. https://raw.githubusercontent.com/ibm-messaging/iot-device- samples/master/node-red/device-sample/quickstart.json
  • 45. www.azilen.com 05 8. In Node-RED editor go to Menu >> Import >> Clipboard
  • 46. www.azilen.com 06 9. Paste JSON value to import nodes
  • 47. www.azilen.com 07 10. Double click on Event node
  • 48. www.azilen.com 08 11. A pop-up will appear, select “Registered” radio button and click on edit button.
  • 49. www.azilen.com 09 12. Add the data which have configured in our device.cfg file.
  • 50. www.azilen.com 10 13. Click on “Add” button to save the data which help to connect to IBM Bluemix. 14. Click on “Deploy” button to connect your device with IBM.
  • 51. www.azilen.com 11 15. Now your device is connected.
  • 52. www.azilen.com 12 You can conform the connection status through device listing
  • 53. www.azilen.com 12 Now as your Raspberry PI is connected to IBM bluemix, you can create your charts, schemas and rules as we have created for the virtual device. In fact, if cleverly utilized, IBM Bluemix can be the enabler of more than 150 different services being offered by IBM, other service and software providers and several communities. Due to its ‘Composable Service Approach’ and support to virtual machine deployments, there are unlimited possibilities to explore its potential for development of innovative IoT products. As a programmer, I see it as a next big thing.
  • 54. www.azilen.com 12 Original Source : http://www.azilen.com/blog/step-by-step-guide-to-develop- iot-application-using-ibm-bluemix/ Originally Published @ www.azilen.com
  • 55. www.azilen.com 12 Thanks You www.azilen.com Let us know if you have any Question!