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Serial communication

Arduino

Transmit

Serial.print

Syntax Result -
Serial.print(78) 78
Serial.print(78,DEC) 78
Serial.print(1.234) 1.23
Serial.print(1.234,2) 1.23
Serial.print(‘N’) N
Serial.print(“Hello world.”) Hello world.

Serial.println

Syntax Result -
Serial.println(78) 78
_ (new line)
serial_print_line
Serial.print(78\n) 78
_ (new line)
need to chack
type “option + ¥” to \

Serial.write

Syntax Result -
Serial.write(1) 0x01
Serial.write(255) 0xFF 1 byte(0-255)
Serial.write(256) 0xFF cannot send more than 1 byte

Receive

Serial.read Serial.readString()


Last update: June 28, 2022