//Credit to: Angelo Casimiro

String voice;

int

led1 = 2, //Connect LED 1 To Pin #2

led2 = 3, //Connect LED 2 To Pin #3

led3 = 4, //Connect LED 3 To Pin #4

led4 = 5, //Connect LED 4 To Pin #5

led5 = 6; //Connect LED 5 To Pin #6

//--------------------------Call A Function-------------------------------//

void allon(){

digitalWrite(led1, HIGH);

digitalWrite(led2, HIGH);

digitalWrite(led3, HIGH);

digitalWrite(led4, HIGH);

digitalWrite(led5, HIGH);

}

void alloff(){

digitalWrite(led1, LOW);

digitalWrite(led2, LOW);

digitalWrite(led3, LOW);

digitalWrite(led4, LOW);

digitalWrite(led5, LOW);

}

//-----------------------------------------------------------------------//

void setup() {

Serial.begin(9600);

pinMode(led1, OUTPUT);

pinMode(led2, OUTPUT);

pinMode(led3, OUTPUT);

pinMode(led4, OUTPUT);

pinMode(led5, OUTPUT);

}

void loop() {

while (Serial.available()){

delay(50);

char chunk = Serial.read(); //Data chunk recieved by the HC05 Module

if (chunk == '#') {break;} //Empty Data Chunk

voice += chunk; //Constructing instruction using data chunks

}

if (voice.length() > 0) {

Serial.println(voice);

//-----------------------------------------------------------------------//

//----------Control Multiple Pins/ LEDs----------//

if(voice == "*all on") {allon();} //Turn Off All Pins (Call Function)

else if(voice == "*all off"){alloff();} //Turn On All Pins (Call Function)

//----------Turn On One-By-One----------//

else if(voice == "*L1 on") {digitalWrite(led1, HIGH);}

else if(voice == "*L2 on") {digitalWrite(led2, HIGH);}

else if(voice == "*L3 on") {digitalWrite(led3, HIGH);}

else if(voice == "*L4 on") {digitalWrite(led4, HIGH);}

else if(voice == "*L5 on") {digitalWrite(led5, HIGH);}

//----------Turn Off One-By-One----------//

else if(voice == "*L1 off") {digitalWrite(led1, LOW);}

else if(voice == "*L2 off") {digitalWrite(led2, LOW);}

else if(voice == "*L3 off") {digitalWrite(led3, LOW);}

else if(voice == "*L4 off") {digitalWrite(led4, LOW);}

else if(voice == "*L5 off") {digitalWrite(led5, LOW);}

//-----------------------------------------------------------------------//

voice="";}} //Reset the variable after initiating