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i am new to IoT and Azure but at the moment i want to connect a raspberry pi and the philips hue bulb to the IoT Hub. I already did this and i can communicate between the raspberry pi and the IoT Hub. I can send messages and store them in a Storage container. But the biggest problem for me is to make the two devices communicate. My goal is that i send a message from the pi to the hub with a certain word, for example 'blue' and then the bulb changes its colour to blue. What is the best way to this? I really dont know how to proceed.

Help and advice would really be appreciated.

Greetings, Julian

Rita Han
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J.Biedenbach
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  • thats not true. I searched for a lot of tutorials and tried out the logic app and some other things but i just cant get it working because it is such a new field for me. I am obviously missing some important feature but i just dont find it. – J.Biedenbach Jun 25 '18 at 18:19
  • have a look at the following link https://social.msdn.microsoft.com/Forums/en-US/668f0752-fc86-4c66-bac5-e1603c99cff2/sending-d2c-messages-on-azure-iot-hub-via-android-using-android-studio?forum=azureiothub – Roman Kiss Jun 26 '18 at 08:33

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Device to device communication is not available, hence you have to use IoT Hub as the broken between the two devices. There are a few ways to do this:

  1. Use your Raspberry Pi as a controller by building a back-end application to control other devices. You can find a tutorial on how to control other devices here. You'd need to connect the Phillips hue bulb to IoT Hub as well.
  2. Use your Raspberry Pi as an event triggering end-device, and use our integration features to route the command and then sends the command to Phillips hue bulb using Microsoft Flow.

Our reference architecture is documented here.

Yi Zhong - MSFT
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