DFRobot ESP8266 Wifi Bee (Arduino Compatible)

The DFRobot ESP8266 Wifi Bee (Arduino Compatible) is a Serial-to-WIFI module using XBEE design in a compact size, compatible with XBEE slot, and applicable to a variety of 3.3 V single-chip systems. It can be used for Arduino, wireless data transfer, and remote control. The onboard switch can be used to easily select the Startup module or Upgrade firmware.