The NodeMCU is an internet gateway device based on the esp8266 controller.
It is an ideal solution for adding internet connectivity to any embedded project.
It comes with an on-board usb to serial converter making it easy to use and is generally programmed using the lua language.
AMICA Node MCU
The Amica Node MCU development board is based on ESP8266 and is integrated with on-board cp2102 usb-ttl converter. The node mcu is an open-source firmware and development platform that helps you to prototype your IOT projects and bring them to life. The Amica Node MCU board is equipped with an on board voltage regulator and 10 GPIO pins which helps you power up your development board in the fastest way possible.