Wemos D1 Mini NodeMcu 4M bytes Lua WIFI IOT ESP8266 Feature : 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 Package Included : 1 x WeMos D1 mini 2 x Long female pins 2 x Short female pins 2 x Normal pins