The ESP8266 Wi-Fi Module is a self contained System on Chip (SOC) with an integrated TCP/IP protocol stack and can give any microcontroller access to your Wi-Fi network. It is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor.

Також купити книгу ESP8266 Internet of Things Cookbook – April 28, 2017, Marco Schwartz Ви можете по посиланню