Arduino has been most popular microcontroller platfrom for programmers. There has been new addition of wifi based dirt cheap ESP8266. It provides quick and easy way to create IoT applications.
Sample IoT application will be created on the spot using ESP8266. You will be able to control LED attached to ESP8266 via your phone. Few sets of ESP8266 and required components will be arranged for attendees. If you have this board, you can bring them and work on them. Bring laptop if you want to do programming on your laptop.
This will be 1.5 hours workshop. Knowledge to use arduino is encouraged. Read basic information about Arduino.