May 04, 2016 · Hello, I am new with openhab and i have hard time to understand how to bind Arduino Uno with ethernet shield to rasperry pi 3 running openhab. I have tried to read information about MQTT, but i have found nothing that i can get to work. If somebody could help me how to set up simple temperature sensor feedback thro MQTT to openhab, it would be great. Now i have tried to establish information ... In client mode, the WiFi TCP/IP block is unable to communicate with TCP/IP server. ... Use Simulink Support Package for Arduino hardware to receive and send TCP/IP or ...