When do you use the Arduino's Serial.flush()?

Thu, 02 Jan 2014 12:00:47 +0000

In the Arduino library, the Serial object has a method called “flush().” Often users go throwing it into programs without fully understanding what it does. It doesn’t help that it’s functionality changed when version 1.0 of the Arduino IDE was released.

Does Serial.flush() affect the Transmit Buffer or the Receive Buffer and when do you need to use it?

What does Serial.flush() do?

From the Arduino reference for Serial.flush (found on this page):

flush on Bald Engineer

When do you use the Arduino's Serial.flush()?

What does Serial.flush() do?