#define ptm2 12
#define ptm1 13
#define ptm3 14
#define r 2
#define g 4
#define b 5
int sw1,sw2,sw3;

void setup() {
  Serial.begin(115200);

  pinMode(ptm1, INPUT);
  pinMode(ptm2, INPUT);
  pinMode(ptm3, INPUT);

  pinMode(r, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(b, OUTPUT);


}
void loop() {
  sw3 = analogRead(ptm2);
  int v1 = map (sw3,0,4095,0,255);
  analogWrite(r , v1);
  Serial.print("PTM1 = ");
  Serial.print(v1);

  sw2= analogRead(ptm1);
  int v2 = map (sw2,0,4095,0,255);
  analogWrite(g , v2);
  Serial.print(" : PTM2 = ");
  Serial.print(v2); 

  sw1 = analogRead(ptm3);
  int v3 = map (sw1,0,4095,0,255);
  analogWrite(b, v3);
  Serial.print(" : PTM3 = ");
  Serial.println(v3);
}