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Hello...im occuring a problem with my arduino board... while im connecting my arduino uno board to my laptop the port is availablein IDE.. but whenever i connect esp8266 to my arduino uno.. the port is getting unavailable.. by clicking the serial monitor im getting '' Board at COM4 is not available ''. so how can i clear this problem.. plss help me...
Tools and Materials for Arduino
Welcome to Arduino
ESP 8266 Wifi controlled Home Automation