Fix | Error downloading http://arduino.esp8266.com/stable/package_esp8266com_index.json

This video tutorial addresses a common error encountered when using the ESP8266 with the Arduino IDE. It explains the role of cores in making microcontrollers compatible with Arduino software and provides a step-by-step guide to resolving the error by using alternative URLs. The tutorial also compares different URLs for downloading the core and offers final recommendations for maintaining the most current version of the core.

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