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## SoftwareSerial: overflow()

#### Description

Tests to see if a software serial buffer overflow has occurred. A software serial buffer can hold 64 bytes.

#### Syntax

mySerial.overflow()

#### Parameters

none

#### Returns

boolean

#### Example

#include <SoftwareSerial.h>
// software serial : TX = digital pin 2, RX = digital pin 3
SoftwareSerial portOne(2, 3);
void setup()
{
// Start the hardware serial port
Serial.begin(9600);
// Start software serial port
portOne.begin(9600);
}
void loop()
{
if (portOne.overflow()) {
Serial.println("SoftwareSerial overflow!");
}
[Get Code]

#### See also

- SoftwareSerial()
- read()
- print()
- println()

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