Video Demo: https://www.youtube.com/watch?v=UasTlSqgY2A
Video   2    : https://www.youtube.com/watch?v=Q0eUoFIXrWE

This new ESP8266 Development board comes with an ESP-12, a 3x AA battery holder, a voltage regulator, an RGB LED, several red LEDs, and a light sensor on the ADC input all on one board. It comes with a USB to Serial interface or without one.
The board can also be controlled by an open source Android App which is available from the AI Thinker
https://translate.google.com/translate?sl=zh-CN&tl=en&js=y&prev=_t&hl=en&ie=UTF-8&u=http%3A%2F%2Fai-thinker.com%2Fforum.php%3Fmod%3Dforumdisplay%26fid%3D40&edit-text=

More details are here: https://benlo.com/esp8266/esp8266Projects.html

pins: https://benlo.com/esp8266/ESP8266-ESP-12-eval-pinout.jpg