WeMos D1 Mini ESP8266 ESP-12 ESP-12F CH340G CH340 V2 USB WIFI Development Board
D1 mini - Mini NodeMcu 4M bytes Lua WIFI Internet of Things development board based ESP8266

11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported
1 analog input(3.3V max input)
a Micro USB connection

Package Included:
1×WeMos D1 mini
2×Long female pins
2×Short female pins
2×Normal pins