#include <SoftwareSerial.h>

SoftwareSerial mySerial(10, 11); // RX, TX

const int lightRelayPin = 2; // Connect the light relay to digital pin 2 const int fanRelayPin = 3; // Connect the fan relay to digital pin 3 const int microphonePin = A0; // Connect the microphone sensor to analog pin A0

void setup() { Serial.begin(9600); mySerial.begin(9600);

pinMode(lightRelayPin, OUTPUT); pinMode(fanRelayPin, OUTPUT);

// Initialize the relays to OFF digitalWrite(lightRelayPin, LOW); digitalWrite(fanRelayPin, LOW); }

void loop() { if (mySerial.available()) { String voiceCommand = mySerial.readStringUntil('\n'); voiceCommand.trim();

if (voiceCommand == "light on") {
  digitalWrite(lightRelayPin, HIGH); // Turn on the light
  Serial.println("Light is ON");
} else if (voiceCommand == "light off") {
  digitalWrite(lightRelayPin, LOW); // Turn off the light
  Serial.println("Light is OFF");
} else if (voiceCommand == "fan on") {
  digitalWrite(fanRelayPin, HIGH); // Turn on the fan
  Serial.println("Fan is ON");
} else if (voiceCommand == "fan off") {
  digitalWrite(fanRelayPin, LOW); // Turn off the fan
  Serial.println("Fan is OFF");
}

}

// You can add more voice commands and functionalities here }