ITEM NAME:NodeMCU Lua ESP8266 ESP-12 WeMos D1 Mini WIFI Development Board Module HT BX Featureï ¼Å¡ Brand new and high quality. Description: This is D1 mini, it is a mini WIFI board based on ESP-8266EX. 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0 ) 1 analog input(3.3V max input) a Micro USB connection Packge Included 1 x ESP8266 ESP-12 ESP12 WeMos D1 Mini WIFI Dev Kit Development Board NodeMCU Lua.This is D1 mini, it is a mini WIFI board based on ESP-8266EX. 1 analog input(3.3V max input). 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire. a Micro USB connection.