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The process of designing and writing source code as part of a program (or sketch) for Arduino. For questions about uploading code to an Arduino board, use the [uploading] tag instead.

6 votes

Unable to terminate "void loop"

The TX LED is on, because this sketch is periodically printing the value of the analog pin 0 onto the serial port. The LED seems to be constantly on, because the delay between two Serial.println() cal …
Dirk Grappendorf's user avatar