/* 21/07/2021
   forLoopv2

   Purpose, to see different versions of the for loop code


*/

//An int is an integer, a Number, any value between -32,768 and 32,767
int q;



void setup() {
  // Serial.begin(9600) starts serial communication. 9600bps bits per second = 1200 characters per second
  Serial.begin(9600);
  //Send script name
  Serial.println("forLoopv2...");
  //this will print a blank line
  Serial.println(" ");

}

void loop() {
  
  //Example 1
  Serial.print("Example 1");
  //q starts with a value of Zero, the loop continues while q smaller than 20
  for(q=0;q<20;q++){
    //print the value of q to the serial monitor
    Serial.print("Val q: ");
    Serial.println(q);
    //delay within the for loop
    delay(100);  
  }
  //delay outside the for loop
  delay(1000);
  
  //example 2
  Serial.print("Example 2");
  
  for(q=30;q<40;q++){
    //print the value of q to the serial monitor
    Serial.print("Val q: ");
    Serial.println(q);
    //delay within the for loop
    delay(100);  
  }
  //delay outside the for loop
  delay(1000);

  //example 3
  Serial.print("Example 3");
  //q is reducing in value through the loop
  //q-- subtracts 1 from the value of q
  for(q=50;q>35;q--){
    //print the value of q to the serial monitor
    Serial.print("Val q: ");
    Serial.println(q);
    //delay within the for loop
    delay(100);  
  }
  //delay outside the for loop
  delay(1000);

  //example 4
  Serial.print("Example 4");
  //q is reducing in value through the loop
  //q-- subtracts 1 from the value of q
  //displays q going negative
  for(q=10;q>-10;q--){
    //print the value of q to the serial monitor
    Serial.print("Val q: ");
    Serial.println(q);
    //delay within the for loop
    delay(100);  
  }
  //delay outside the for loop
  delay(1000);
}