SAKLAR SUARA

int
led1 = 11, //Connect LED 1 To Pin #2
led2 = 10, //Connect LED 2 To Pin #3
led3 = 9, //Connect LED 3 To Pin #4
led4 = 8 //Connect LED 4 To Pin #5
;
//--------------------------Fungsi untuk menyalakan  dan mematikan semua LED
void allon(){
digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH);
digitalWrite(led3, HIGH);
digitalWrite(led4, HIGH);
}
void alloff(){
digitalWrite(led1, LOW);
digitalWrite(led2, LOW);
digitalWrite(led3, LOW);
digitalWrite(led4, LOW);
}
//-----------------------------------------------------------------------//
void setup() {
Serial.begin(9600);
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
}
//-----------------------------------------------------------------------//
void loop() {
while (Serial.available()){  //Cek apakah ada data yang masuk
delay(10); //Jeda waktu 10mS
char c = Serial.read(); //Menampung data serial yang masuk pada variable "c"
if (c == '#') {break;} //Keluar dari looping while saat ada karakter #
voice += c; //Menampung karakter yang masuk ke variable voice
}
if (voice.length() > 0) {
//Serial.println(voice);
//-----------------------------------------------------------------------//
 
if(voice == "semua hidup") {allon();}  //memanggil fungsi all on
else if(voice == "all off"){alloff();} //memanggil fungsi all off
 
//----------matikan setiap led dengan perintah----------//
else if(voice == "Hidupkan lampu meja") {digitalWrite(led1, HIGH);}
else if(voice == "hidupkan TV") {digitalWrite(led2, HIGH);}
else if(voice == "hidupkan pompa") {digitalWrite(led3, HIGH);}
else if(voice == "Hidupkan lampu kamar") {digitalWrite(led4, HIGH);}
//----------Matikan led dengan perintah----------//
else if(voice == "matikan lampu meja") {digitalWrite(led1, LOW);}
else if(voice == "matikan TV") {digitalWrite(led2, LOW);}
else if(voice == "matikan pompa") {digitalWrite(led3, LOW);}
else if(voice == "matikan lampu kamar") {digitalWrite(led4, LOW);}
//-----------------------------------------------------------------------//
voice="";}} //menghapus data di variable voice