IoT-temperature

A very simple project which collects a temperature value from the DS18B20 sensor and sends it out using a MQTT client.

Video: https://www.youtube.com/watch?v=zlS7tIBRaxU

Technologies

• Java
• OpenJDK: Device I/O Project
• Eclipse Paho
• Android
• Spring Framework(Boot)
• SockJS
• Chart.js

Android application

You can find it here

Web application

You can find it here

Raspberry Pi(sensors)

You can find it here

Schematic diagram:

Raspberry Pi needs to be configured in order to be able to read a temperature from the DS18B20 sensor. See how to do it. See also how to load drivers at startup.

How to launch the application on Raspberry Pi:

1. Build the project

   mvn clean install

2. Upload the following folder to Raspberry Pi:

   iot.home\hardware\home.core\target\product

3. Launch the product\launcher\launch_linux.sh file. Please make sure the launch_linux.sh file has execute permission.