Instructions

Technical Specifications
 802.11 b / g / n wireless standards;
 STA / AP modes support ;
 TCP / IP protocol stack, One socket;
 Supports standard TCP / UDP Server and Client;
 Supports serial port baud rate configuration:
1200/2400/4800/9600/19200/38400/57600/74800/115200 bps;
 Supports serial data bits: 5/6/7/8 bits;
 Supports serial parity: none;
 Supports serial stop bits: 1/2 bit;
 Pin-compatible with Arduino UNO, Mega;
 Arduino Pinout 2/3/4/5/6/7/8/9/10/11/12/13;
 ESP8266 GPIO Pinout 0/2/4/5/9/10/12/13/14/15/16 / ADC / EN / * UART TX / UART RX;
 KEY button: modes configuration;
 Dual-Ports DIP switches: switching Arduino and ESP8266;
 WiFi operation current: continuous transmission operation: ≈70mA (200mA MAX), idle
mode: <200uA;
 Serial WiFi transmission rate: 110-460800bps;
 Temperature: -40℃ ~ + 125 ℃;
 Humidity: 10%-90% non-condensing;
 Weight: about 20g (0.7oz);