Azure IoT SDK example - RP2040 iothub telemetry sample

1. Prepare IoT Hub and Device for this example 1.1. Azure portal In Azure portal, you need to create a device and get the connection string informations as below: This example uses symmetric key You copy the key string,"Primary Connection String" and paste the string into your code as decribed in next section. 1.2. Developer PC 1.2.1. SDK setting In the following pico-azure-iot-sdk-c/application..