@defgroup    boards_common_esp8266  ESP8266 Common
@ingroup     boards_common
@ingroup     boards_esp8266
@brief       Definitions and configurations that are common for
             all ESP8266 boards.

For detailed information about the ESP8266, configuring and compiling RIOT
for ESP8266 boards, please refer \ref esp8266_riot.

@defgroup    boards_esp8266  ESP8266 Boards
@ingroup     boards
@brief       This group of boards contains the documentation
             defined ESP8266 boards.

@note        For detailed information about the ESP8266 SoC, the tool chain
             as well as configuring and compiling RIOT for ESP8266 boards,
             see \ref esp8266_riot.