Turn On LED Light using Voice Command through AMR Voice App

Android application Install link : BT Voice Control for Arduino

Source Code

String voice;

const int singleVoiceLED = 13;

void setup() {

  Serial.begin(9600);

  pinMode (singleVoiceLED, OUTPUT);

}

void loop() {

SingleLedVoiceControl();

}

//voice controlled single light

void SingleLedVoiceControl() {

  while (Serial.available())

  {

    delay(10);

    char c = Serial.read();

    if (c == '#') {

      break;

    }

    voice += c;

  }

  if (voice.length() > 0) {

    Serial.println(voice);

    if (voice == "*light on")

    {

      digitalWrite(singleVoiceLED, High);

    }

    else if (voice == "*light off")

    {

      digitalWrite(singleVoiceLED, LOW);

    }

  }

  voice = "";

}