Arduino for Complete Idiots by SMITH DAVID

Author:SMITH, DAVID
Language: eng
Format: epub
Publisher: Beyond Whyy
Published: 2017-12-29T00:00:00+00:00

Now let’s try out this serial thing in action. Let’s try out some code that will make the Arduino echo anything you send to it. Therefore, if you type a 5, the Arduino will send back a 5. If you type a letter D, the Arduino will send back a letter D.

Code

byte byteRead;

void setup()

{// Turn the Serial Protocol ON

Serial.begin(9600);

}

void loop() {

if (Serial.available()) //checks if data has been sent from the computer

{

byteRead = Serial.read(); //reads the most recent byte

Serial.write(byteRead); //returns back the value that was read, back to the serial port

}

}

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