PTT Arduino

pttarduino.ino

int analogPin = 0;

void setup() {
  Serial.begin(9600);
  pinMode(LED_BUILTIN, OUTPUT); 
  digitalWrite(LED_BUILTIN, LOW);
  pinMode(4, OUTPUT);
  digitalWrite(4, HIGH);
}

void loop() {
  
  int sensorValue = analogRead(A0);
  int sensor = analogRead(A1);
  float voltage = sensorValue * (5.0 / 1023.0);
  Serial.println("-------------------------");
  Serial.println("Sensor A0 - abaixo");
  Serial.println(voltage);
  Serial.println(sensorValue);
  Serial.println("Sensor A1 - abaixo");
  Serial.println(sensor);
  Serial.println("-------------------------");

  if (sensorValue < 20) {  // Ajustar de Acordo com seu Celular e HT, testado com 777s + Galaxy Young, Galaxy J2, Galaxy J3
      digitalWrite(LED_BUILTIN, HIGH);
      digitalWrite(4, LOW);
      delay(500);
  }
  else {
      digitalWrite(LED_BUILTIN, LOW);
      digitalWrite(4, HIGH);
      delay(500);
  }
}