Disables serial communication, allowing the RX and TX pins to be used for general input and output. To re-enable serial communication, call Serial.begin().

Serial.end()

Arduino Mega only:
Serial1.end()
Serial2.end()
Serial3.end()

none

nothing

• begin()
• end()
• available()
• read()
• peek()
• parseInt()
• flush()
• print()
• println()
• write()
• SerialEvent()

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