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Azure Sphere

September 12, 2019
Introduction  One of the really nice things about developing your secure IoT product with Azure Sphere is that Microsoft has implemented all the hooks and OS Services for your Azure Sphere application to leverage Azure IoT Hub features for Cloud to Device (C2D) communication/control.  Three common D2C tools available from Azure IoT Hubs are Device Twins, Remote Messages, and Direct Method calls.  This blog will introduce the reader to Direct Method calls.   What is a Direct ...