DFRobot FIREBEETLE BOARD-ESP32 - Page 27

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Caution: Please referring the previous tutorial if you forget the way to verify/compile/upload.
Code analysis
Because ADC of FireBeetle Board-ESP32 is fully compatible with Arduino analogRead function, no
more explanation of analogRead function.
Caution: If you are not familiar to the basics of Arduino function, please click the link to learn
more.