XV0214-57 ESP8266 Web Sever serial WiFi expansion board shiled ESP-12E for arduino uno r3
Features:
Pin interface compatible with standard spacing Arduino Uno, Mega, etc.
3.3V power supply chip (same with the official expansion board power chip CC3000 ).
Onboard ESP8266-12 stable industrial grade serial WiFi module, using an enhanced PCB antenna
Can switch by DIP switch ESP8266-12 stable industrial grade WiFi module operation mode (such as operating mode and upgrade mode), integrated serial port chip
Built-in 5V to 3.3V TTL level converter,
Onboard standard pitch leads all interfaces ESP8266-12 stable industrial grade WiFi module
Onboard four LED displays the status of ESP8266, namely PWR, DFU, AP, STA
Package including:
1pcs ESP8266 ESP-12E UART WIFI Wireless Shield Development Board for Arduino UNO R3