Lesson 06: Introduction to Arduino Data Types

Please select other codes for this lecture from the links below.

• Lesson 06-1: Arduino Variable and Data Types: Integer
• Lesson 06-2: Arduino Variable and Data Types: Character
• Lesson 06-3: Arduino Variable and Data Types: Float
• Lesson 06-4: Arduino Variable and Data Types: Unsigned Integer
• Lesson 06-5: Arduino Variable and Data Types: String
• Lesson 06-6: Arduino Variable and Data Types: Boolean
• Lesson 06-7: Arduino Variable and Data Types: Long

This code is part of Lecture 06 Data Types: Character

Here is what we read on Arduino Official page A data type used to store a character value. Character literals are written in single quotes, like this: 'A' (for multiple characters - strings - use double quotes: "ABC"). Characters are stored as numbers however. You can see the specific encoding in the ASCII chart. This means that it is possible to do arithmetic on characters, in which the ASCII value of the character is used (e.g. 'A' + 1 has the value 66, since the ASCII value of the capital letter A is 65). See Serial.println reference for more on how characters are translated to numbers. The size of the char datatype is at least 8 bits. It’s recommended to only use char for storing characters. For an unsigned, one-byte (8 bit) data type, use the byte data type.

Char documentation: https://www.arduino.cc/reference/en/language/variables/data-types/char/

 /*
* This code is part of Step by Step Ardunio Course 
   Code: Lecture 06-2
 * Arduino Variable and Data Types: Character
 
with over 100 lectures Free On  YouTube Watch it here http://robojax.com/L/?id=338
Get the code for the course: http://robojax.com/L/?id=339 
 * Written by Ahmad Shamshiri for Robojax, robojax.com http:youTube.com/robojaxTV
 * Feb 10, 2019  
 Please watch video instruction here https://youtu.be/n0z6fjww8eA
 This code is available at http://robojax.com/course1/?vid=lecture06
 
 */

void setup() {
 char grade = 'A';
 char grade2 = 65; 

	
 Serial.begin(9600);
 Serial.println("Robojax Step By Step Arduino Course");
 	//Robojax Step By Step Arduino Course http://robojax.com/L/?id=338
 Serial.println(grade);
 Serial.println(grade2);


}

void loop() {
  // put your main code here, to run repeatedly:

}



   

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