Gizwits ESP8266 firmware supports one-stop IoT products development Gizwits GAgent communication program has been fully ported on ESP8266. With GAgent’s standard interface over the serial UART port, developers can use development tools offered by Gizwits to quickly integrate functions such as M2M connectivity, smart phone connectivity, on-the-cloud data storage and analysis, remote control, OTA upgrade and WeChat integration into their devices.