The SparkFun ESP8266 Thing is the cheap breakout and development board for the ESP8266 WiFi SoC. This book helps you to get started with SparkFun ESP8266 Thing board development using Arduino software. The following is the highlight topics: * Preparing development environment * Setting up SparkFun ESP8266 Thing * GPIO programming * UART * PWM and Analog Input * Working with I2C * Working with SPI * Connecting to a network * Building a simple Internet of Things app