In this HackChat we are going to learn about Node-RED programming, how to build a GUI dashboard, and Programm Raspberry PI GPIO.. for your next IoT project. 

Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways. It provides a browser-based editor that makes it easy to wire together flows using the wide range of nodes in the palette that can be deployed to its runtime in a single click

.