// STM32 Blue Pill RGB LED Example
// Simulation: https://wokwi.com/projects/374780854731040769

#define red PC15
#define green PC14
#define blue PC13

void setup() {
  Serial.begin(9600);

  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
}

void loop()
    {
      Serial.print("pc15 = ");
      Serial.println(red);
      digitalWrite(red, HIGH);
      Serial.println("red = ON");
      delay(500);
      digitalWrite(red, LOW);
      Serial.println("red = OFF");
      delay(500);
      Serial.print("pc14 = ");
      Serial.println(green);
      digitalWrite(green, HIGH);
      Serial.println("green = ON");
      delay(500);
      digitalWrite(green, LOW);
      Serial.println("green = OFF");
      delay(500); 
      Serial.print("pc13 = ");
      Serial.println(blue);
      digitalWrite(blue, HIGH);
      Serial.println("blue = ON");
      delay(500);
      digitalWrite(blue, LOW);
      Serial.println("blue = OFF");
      delay(500);
    }