Arduino Serial monitor

Arduino Serial monitor

Serial Monitor is a component of the Arduino IDE. It can use
- Show results from Arduino boards.
- receive data from user and send data to the Arduino board.

How to use?
Setup baud rate

void setup()
{
   Serial.begin(9600);
}

Show results in Serial Monitor

Serial.print("Hello World");       /* Show Hello World */
Serial.println("Hello World");     /* Show Hello World And New Line */  

Read data from Serial Monitor

Serial.read();

How to open Serial Monitor
1. Ctrl + Shift + M
2. Click Icon

Example - Show data to Serial Monitor

	void setup()
	{
	Serial.begin(9600);
	}
	void loop()
	{
	Serial.println("Hello World");
	delay(1000);
	}

view raw Serial_Monitor.ino hosted with ❤ by GitHub

Output the program

Example - Read data from Serial Monitor

	void setup()
	{
	Serial.begin(9600);
	pinMode(LED_BUILTIN,OUTPUT);
	}
	void loop()
	{
	if (Serial.available())
	{
	char c = Serial.read();
	if (c == '1')
	{
	Serial.println("On LED");
	digitalWrite(LED_BUILTIN,HIGH);
	}
	else
	{
	Serial.println("Off LED");
	digitalWrite(LED_BUILTIN,LOW);
	}
	}
	}

view raw Serial_Monitor_Read.ino hosted with ❤ by GitHub

- Sent 1 On LED

- Sent 0 Off LED

Output Read data from Serial Monitor

* If Unsuccessful Check that selected:  No line ending And : 9600 baud?