AWS IoT Core + Raspberry Pi + AWS IoT Device SDK for Java [P021]





https://www.youtube.com/watch?v=xhVIT6XJ01s


GitHub : https://github.com/rdiot/rdiot-p021


* Parts

- Raspberry Pi2

Temperature and humidity DHT11 sensor module (KY-015) [S008]


* Contents

1. Sample Test (basic publish)

- install maven3 in pi

- download maven3 : https://fossies.org/linux/misc/apache-maven-3.5.3-bin.tar.gz/

$ tar zxvf apache-maven-3.5.3-bin.tar.gz

$ export PATH=/home/pi/AWSIoT/apache-maven-3.5.3/bin:$PATH


- com.amazonaws.services.iot.client.sample.pubSub.PublishSubscribeSample

- download root ca certificate and install aws device sdk for java

- run pub/sub sample 

$ unzip http://connect_device_package.zip

$ ./start.sh

mvn exec:java -pl aws-iot-device-sdk-java-samples -Dexec.mainClass="com.amazonaws.services.iot.client.sample.pubSub.PublishSubscribeSample" -Dexec.args="-clientEndpoint <prefix>.iot.<region>.amazonaws.com -clientId <unique client id> -certificateFile <certificate file> -privateKeyFile <private key file>"


[INFO] BUILD SUCCESS

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 04:15 min

[INFO] Finished at: 2018-06-01T13:43:37Z

[INFO] ------------------------------------------------------------------------


Running pub/sub sample application...

[INFO] Scanning for projects...

[INFO] Inspecting build with total of 1 modules...

[INFO] Installing Nexus Staging features:

[INFO]   ... total of 1 executions of maven-deploy-plugin replaced with nexus-staging-maven-plugin

[INFO] 

[INFO] -----------< com.amazonaws:aws-iot-device-sdk-java-samples >------------

[INFO] Building aws-iot-device-sdk-java-samples 1.1.1

[INFO] --------------------------------[ jar ]---------------------------------

[INFO] 

[INFO] --- exec-maven-plugin:1.6.0:java (default-cli) @ aws-iot-device-sdk-java-samples ---

Cert file:../RaspberryPi.cert.pem Private key: ../RaspberryPi.private.key

Jun 01, 2018 1:43:59 PM com.amazonaws.services.iot.client.core.AwsIotConnection onConnectionSuccess

INFO: Connection successfully established

Jun 01, 2018 1:43:59 PM com.amazonaws.services.iot.client.core.AbstractAwsIotClient onConnectionSuccess

INFO: Client connection active: sdk-java

1527860639952: >>> hello from blocking publisher - 1

1527860639952: >>> hello from non-blocking publisher - 1

1527860639973: <<< hello from blocking publisher - 1

1527860639989: <<< hello from non-blocking publisher - 1

1527860640953: >>> hello from non-blocking publisher - 2

1527860640964: >>> hello from blocking publisher - 2

1527860640995: <<< hello from non-blocking publisher - 2

1527860641042: <<< hello from blocking publisher - 2

1527860641953: >>> hello from non-blocking publisher - 3

1527860641979: <<< hello from non-blocking publisher - 3


- Check the message in the AWS IoT Console



- check the subscription, topic name : sdk/test/java



2. Develop

- Requirements : +java1.7, aws-iot-device-sdk-java 1.1.1, Jackson 2.x, Paho MQTT client for Java 1.1.x, pi4j


- Install the SDK using Maven

 <dependency>

    <groupId>com.amazonaws</groupId>

    <artifactId>aws-iot-device-sdk-java</artifactId>

    <version>1.1.1</version>

</dependency>

<dependency>

    <groupId>com.amazonaws</groupId>

    <artifactId>aws-iot-device-sdk-java-samples</artifactId>

    <version>1.1.1</version>

</dependency>


- maven :  https://github.com/rdiot/rdiot-p021/blob/master/pom.xml

- source : https://github.com/rdiot/rdiot-p021/blob/master/src/main/java/com/rdiot/awsiot/App.java


3. Setup AWS IoT Core 


4. Package Download 


5. AWS IoT Rule Setup 

- Rule Name : email_notification

- Description : when temperature is over 30 degrees.

- Rule Query : SELECT temperature as t, humidity as h FROM 'sensor/dht11' WHERE temperature > 30

- Actions 
 1) SNS : sendEmail 

 2) Republish : sensor/dht11/over30


6. run application

$ java -Dpi4j.linking=dynamic -jar awsiot-0.0.1-SNAPSHOT.jar (run.sh)



7. Monitoring




8. Action Check over 30 degrees

- republish to sensor/dht11/over30

- notification sns : email



- Reference

GitHub AWS IoT Device SDK for Java : https://github.com/aws/aws-iot-device-sdk-java/blob/master/README.md

API Document : http://aws-iot-device-sdk-java-docs.s3-website-us-east-1.amazonaws.com/

Sample Code : https://github.com/aws/aws-iot-device-sdk-java/blob/master/aws-iot-device-sdk-java-samples/src/main/java/com/amazonaws/services/iot/client/sample/pubSub/PublishSubscribeSample.java



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RGB LED Controller Dimmer 3 Channel DC12V - 24V 9A [B206]





https://www.youtube.com/watch?v=tsadcDA8O5M


* Specs

This LED Dimmer/RGB Controller can be used as a 3 channels LED single color strip light dimmer a LED RGB module / Flexible LED Strips as a static color controller.

Universal Red/Green/Blue(RGB) dimmer-konbs can be used to adjust Red, Green and Blue from 0 to 100 percent for full range color creation. Endless RGB color combinations.

Installation is quite easy, power up the unit with 12 to 24V DC power source and connect 3 output connection to RGB LED strip light or a Solid Color LED strip light. Electric wires and cables are easily connected to the unit through screw down connectors, which makes 100% secure connections.


Applications:

For RGB LED strip controlling and dimming each color independently.

For solid color LED strip with 3 independent channels

For dynamic White LED strip, controlling color temprature

For RGB modules


Input voltage: DC12V-24V, 108W (12V )/ 316W (24V)

Output: 3 channel

Max load current: 3 Amps/channel (9 Amps total)

IP rating: IP-55

Size:5.12*2.62*2 inches



* Contents

- LEFT Connect 

+ - 12V

- - GND


- RIGHT Connect

COM - +

R - R

G - G

B - B


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Samsung SmartThings Home Monitoring Kit [P020]







https://www.youtube.com/watch?v=d8WQEuLjbC0



* Parts

Samsung SmartThings Hub (STH-ETH-250) [B195]

Samsung SmartThings Multipurpose Sensor (F-MLT-US-2) [S254] 

Samsung SmartThings Motion Sensor (F-IRM-US-2) [S255] 

Samsung SmartThings Dimming Outlet (F-CEN-DIM-1) [S256] 



* Contents

1. SmartThings Classic Mobile App > Automation > Add a SmartApp


2. Configure Smart Lighting Automations




3. Automation Routines : "Door Open"






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