On September 22, 2018 and October 27, 2018 Deid and Craig presented
ESP8266 Web Controlled LEDs (parts 1 & 2),
The following are the pdfs of the presentation material.
Part One: https://vicpimakers.ca/wp-content/uploads/2018/09/deidleds1.pdf
Part Two: https://vicpimakers.ca/wp-content/uploads/2018/10/FlashyLightsandSecurity.pdf