     if(ppad.available()) {
       String in = ppad.readStringUntil('\n');
       Serial.println(in);
-      //Serial.print("Char1:");
-      //Serial.println(c1);
-      //Serial.print("Char2:");
-      //Serial.println(c2);
-      //Serial.flush();
-      //while(Serial.available() && Serial.read() != '\n');  // Newline clear
 
       if(in.charAt(0) == '1') {
         alertSensorEssential = true;

  digitalWrite(pinPowerLED, HIGH);
}


void loop() {
  ppad.flush();
  delay(100);

/*
 *
 * This Arduino sketch receives data through serial communication relating
 * to whether or not the sensor systems are activated, and alerts the user if
 * a user is present and the sensors return the presence of an item.
 *
