Building IoT application are easy these days thanks to super smart cheap micro-controllers, which can be developed into a nice and sophisticated POC using basic development capabilities. But how should we provide a robust backend, admin capabilities and UI? Using leading edge frameworks we can build an end-to-end system and have a IOT sensors, backend and UI within a very short time and effort. Let’s also consider data collection and aggregation, business analytics, logging and monitoring to run your business. I am going to build that application LIVE in Python, using Raspberry Pi and Python Flask.