The article provides a walkthrough on building Flux queries in Chronograf by IoT Developer Evangelist David Simmons. The author explains how to convert InfluxQL queries to Flux, highlighting his experience with an embedded IoT gateway proof-of-concept device that runs the TICK Stack and collects data from various sensors. The discussion focuses on the Chronograf Dashboard Builder and how to build Flux queries using InfluxDB 1.7, Chronograf 1.7, and the new Flux Builder along with the Schema Explorer.