How to use KC868-Server

[vc_row][vc_column][vc_column_text]1.Diagram of relay Controller Download PDF details Leds status different color means: Red: Controller is power on. Green: WiFi module is connect to your router successfully. White: network run in “TCP Client” mode or “MQTT” mode. Yellow: network run in “TCP Server” mode. Blue: network run in “UDP” mode. what’s UDP , TCP Server, TCP…