Serial.end()

Description

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().

Syntax

Use the following function to disable the Serial communication:

Serial.end()

Parameters

The function admits the following object:

Serial

Returns

The function returns nothing.

Example Code

The following code disables and then enables serial communication.

1void setup() {
2  Serial.begin(9600);
3  delay(1000); // Allow time for Serial Monitor to connect
4  Serial.println("Hello from Serial!");
5
6  Serial.end();  // Stop communication
7
8  delay(2000);   // Simulate doing something else...
9
10  Serial.begin(9600);  // Re-initialize serial
11  Serial.println("Serial restarted!");
12}
13
14void loop() {
15}