help: rgb controller for one push button

Using Arduino Programming Questions
#1

i’m trying to control the rgb strip light in 3 push button, one button for the mode to change either red, green and blue. the 2 push button will increase and decrease the brightness. this is working but i want to add one more function for the mode and that is the Multicolor LED cycles through the a spectrum of colors / light frequencies

int ledRed=3;
int ledBlue=5;
int ledGreen=6;


int valueRed=254;
int valueGreen=254;
int valueBlue=254;


int ButtonSelect = 8;
int ButtonReduce = 9;
int ButtonIncrement = 10;

int ledSelected = 0;

void setup() 
{ 


 pinMode(ButtonSelect, INPUT);
 pinMode(ButtonReduce, INPUT);
 pinMode(ButtonIncrement, INPUT);
 
 analogWrite(ledRed, 255);  
} 



int pinLed = 0;

void loop() 
{ 
    
  int valueLed = 0;

  if (digitalRead(ButtonSelect) == HIGH) 
  {
     pinLed++;  
     
  
     if (pinLed > 2) { pinLed=0; }
  

     analogWrite(ledRed, 0);
     analogWrite(ledGreen, 0);
     analogWrite(ledBlue, 0);      
     
    
     while (digitalRead(ButtonSelect) == HIGH) {  }            
     delay(10); 
  }
 

  if (digitalRead(ButtonIncrement) == HIGH) 
  { 
    if (pinLed == 0) { valueRed++; }
    if (pinLed == 1) { valueGreen++; }
    if (pinLed == 2) { valueBlue++; }
    
    delay(5);
   }
   

  if (digitalRead(ButtonReduce) == HIGH) 
  { 
    if (pinLed == 0) { valueRed--; }
    if (pinLed == 1) { valueGreen--; }
    if (pinLed == 2) { valueBlue--; }
    
    delay(5);
   }        
   

   if (valueRed > 254) { valueRed=254; }
   if (valueRed < 0) { valueRed=0; }
   
   if (valueGreen > 254) { valueGreen=254; }
   if (valueGreen < 0) { valueGreen=0; }

   if (valueBlue > 254) { valueBlue=254; }
   if (valueBlue < 0) { valueBlue=0; }    


 if (pinLed == 0) { analogWrite(ledRed, valueRed); }
 if (pinLed == 1) { analogWrite(ledGreen, valueGreen); }
 if (pinLed == 2) { analogWrite(ledBlue, valueBlue); }
 
}
 
}
#2

Sure, go ahead. Although it is different from the way that I would do it, you have done much of the hard work already.

By the way, your posting missed step 1 of the following…

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If your project involves wiring, please provide a schematic and/or a wiring diagram and/or a photograph of the wiring.

Good Luck!

#3