We have ESP8266 microcontroller-based sensors sending data to Azure IoT Hub. We now use Azure Stream Analytics to send that data to Power BI.
StreamAnalytics
A collection of 2 posts
How Azure IoT helped me buy a new house - Part 1 - Problem Space
Telemetry data is an important component of any good DevOps process. I had a simple problem at home that telemetry could help me solve, so I over-engineered a solution to the question; "Why is my office always so hot?".