Interface between Arduino and Pd~ (PureData)

comportnote.pd

#N canvas 108 219 593 441 10;
#X msg 19 103 devices;
#X obj 122 120 comport 0 9600;
#X msg 19 74 close;
#X msg 19 26 devicename /dev/ttyACM0;
#X obj 146 262 noteout;
#X floatatom 216 182 0 0 0 0 - - -;
#X floatatom 169 182 0 0 0 0 - - -;
#X obj 300 405 print x1;
#X obj 32 409 print x2;
#X floatatom 102 198 0 0 0 0 - - -;
#X obj 145 160 hsl 255 8 0 255 0 0 empty empty Comport_Output -2 -8
0 14 -261682 -1 -1 5080 1;
#X obj 124 234 makenote \$1 \$2;
#X obj 89 173 int;
#X connect 0 0 1 0;
#X connect 1 0 10 0;
#X connect 2 0 1 0;
#X connect 3 0 1 0;
#X connect 5 0 11 2;
#X connect 6 0 11 1;
#X connect 9 0 11 0;
#X connect 10 0 12 0;
#X connect 11 0 4 0;
#X connect 11 0 8 0;
#X connect 11 1 4 2;
#X connect 11 1 7 0;
#X connect 12 0 9 0;

potled.ino

int sensorPino = A4;
int delPino = 9; //pwm
int sensorValor = 0;
int sensorMax = 2000;
int sensorMin = 0;
const int nroLeituras = 10;
int leituras[nroLeituras];
int indice = 0;
int total = 0;
int media = 0;

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

  /*for (int essaLeitura = 0; essaLeitura < nroLeituras; essaLeitura++) {
   leituras[essaLeitura] = 0;
   }*/

  pinMode(delPino, OUTPUT);

  while (millis() < 5000) { //calibration

    sensorValor = analogRead(sensorPino);

    if (sensorValor > sensorMax) {
      sensorMax = sensorValor;
    }

    if (sensorValor < sensorMin) {
      sensorMin = sensorValor;
    }
  }
}

void loop() {

  sensorValor = analogRead(sensorPino);

  sensorValor = map(sensorValor, sensorMin, sensorMax, 0, 255);

  sensorValor = constrain(sensorValor, 0, 255);

  analogWrite(delPino, sensorValor);

  /*
   total = total - leituras[indice];
   leituras[indice] = analogRead(sensorPino);
   total = total + leituras[indice];
   indice = indice + 1;
   
   if (indice >= nroLeituras) {
   indice = 0;
   }
   
   media = total/nroLeituras;
   */

  Serial.write(sensorValor);
  //delay(200);
}