ESP8266 Introduction
It answers
What is ESP8266
What is NodeMCU
What are its Specifications
How to install it's board package to Arduino
How to install libraries in Arduino IDE
How to use it with Arduino IDE
How to interface sensors
How to interface DHT11
How to Create WiFi server program
and more... Watch fully and start your journey with ESP8266 WiFi controller...
Download the sketches used in webinar from below link