D1 mini - Mini NodeMcu 4M bytes Lua WIFI Internet of Things development board based ESP8266 by WeMos

   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

   1×WeMos D1 mini

   2×Long female pins

   2×Short female pins

   2×Normal pins