What is Serial.begin (9600)? - Arduino Stack Exchange
May 18, 2014 · I know that this is to initialize something: Serial.begin(9600); But I want to know what it really means?
What does the line "while (! Serial);" do in an Arduino program?
Oct 11, 2014 · Strictly "When you open the serial port of a board like the Uno or Mega the whole board resets," is not correct. The Arduino's IDE does that by default. However, simply opening …
How does serial communications work on the Arduino?
With reference to the Arduino Uno, Mega2560, Leonardo and similar boards: How does serial communications work? How fast is serial? How do I connect between a sender and receiver? …
Using Serial.begin () twice - Arduino Stack Exchange
Nov 27, 2019 · I'm training kids programming Arduino. We're gonna use Serial for debugging purposes, so we started with a simple HelloWorld program. I let them try various stuff, …
Serial.begin(): Why not always use 28800? - Arduino Stack Exchange
Sep 7, 2014 · 43 In a lot of the sample code online people add the line Serial.begin(9600) in the setup block. When I look up what Serial.begin() is on the official documentation, it says that it …
'Serial1' was not declared in this scope - Arduino Stack Exchange
I picked this code off of the internet. I feel it should exist because we would need one serial for communication with the serial monitor of computer and a second one for the actual serial …
esp8266 - Arduino-IDE "while (!Serial)" - Arduino Stack Exchange
May 1, 2019 · I have a Question regarding Arduino IDE: Many old Arduino setup examples states that the Serial.begin() function always should begin with : Serial.begin(9600); // (or 115200) …
Difference between SoftwareSerial and Serial - Arduino Stack …
Aug 31, 2014 · From the sample code #include <SoftwareSerial.h> SoftwareSerial mySerial(10, 11); // RX, TX void setup() { // Open serial communications and wait for port to open: …
what is the use of Serial.begin(9600) - Arduino Stack Exchange
Serial.begin() initializes serial-port hardware and data structures so you can use the serial port. See Serial.begin and Serial.println doc pages at arduino.cc for details, and see the answers to …
serial - Why do people use 115200 instead of 9600? - Arduino …
Jan 4, 2020 · So I came across lots of Arduino program setting serial speed to 115200 instead of 9600, while many people just kept using 9600 for the same purpose. Why did people choose …