?The development board has integrating GPIO, PWM, IIC, 1-Wire and ADC all in one board. Support smart link smart networking. ?Modern, state-of-the-art LUA technology. It is an integrated unit with all available resources on board. It's very easy for Arduino projects or any development board with I / O pins. ?ESP8266 CP2102 NodeMCU LUA ESP-12E WIFI Serial Wireless Module ?Built-in Micro-USB, with flash and reset switches, easy to program ?Arduino compatible, works great with the latest Arduino IDE/Mongoose IoT/Micropython