Espressif ESP8266 User Manual

3. Tool Setup
In this chapter, we will prepare your development environment by installing all the tools
necessary. Drivers are needed to communicate with the ESP8266, a tool called “Arduino IDE”
will let us write code, and a sample project will prove that the components are working well
together.

Espressif ESP8266 Specifications

General

Digital I/O Pins	17
Analog Input Pins	1
Wi-Fi	802.11 b/g/n
Operating Voltage	3.0V - 3.6V
Clock Speed	80 MHz / 160 MHz
Operating Temperature	-40°C to 125°C
Dimensions	24mm x 14mm
Processor	Tensilica L106 32-bit micro controller