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README.md

-# Camunda IoT Demo
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+# Camunda IoT Demo
+
+SoSe 18/19 - Business Software
+
+## Project parts
+* Project: [Camunda Server](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/camunda)
+* Project: [PHP Website - IoT Server](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/phpApi)
+* Project: [Arduino](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/tree/master/arduino)
+
+## Archtitecture of the system
+<img src="project_architecture.png" width="450">
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arduino/README.md

 # Camunda IoT Demo
 
-## Arduino sources
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+## Arduino rfid source
+[Source code](https://gitlab.uni-koblenz.de/jonasblatt/camunda-iot-demo/blob/master/arduino/RFID_IoT_BS_final.ino)
+
+## Circuit diagram
+<img src="arduino/Skizze_Schaltplan.jpg" width="450">
+
+## Cabling
+<img src="arduino/Skizze_Verkabelung.jpg" width="450">	
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camunda/README.md

 # Camunda IoT Demo
 
-## Camunda server application
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+Build with 
+
+## IoT receiver process
+This process will be receive every minute the rfid data from the rfid api server.
+After receiving the data, this project will start a new sample process.
+<img src="camunda/process_IoT_Receiver.png" width="450">
+
+## Sample process
+This demo process will be started by the IoT receiver process for each rfid tag, received by the IoT php API.
+<img src="camunda/process/IoT_demo_process.png" width="450">

phpApi/README.md

 # Camunda IoT Demo
 
-## php api
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+## PHP API for storing an requesting IoT data
+* append new rfid data: rfid.php?action=append&tagId=123456
+* receive rfid data: rfid.php?action=get