#include <Arduino.h>

const int microphonePin = 25; // Connect the Potentiometer to GPIO36 (A0)
const int speakerPin = 25;    // Connect the Buzzer to GPIO25

void setup() {
  Serial.begin(115200);
  pinMode(microphonePin, INPUT);
  pinMode(speakerPin, OUTPUT);
}

void loop() {
  // Transmitter
  int sensorValue = analogRead(microphonePin);
  Serial.println(sensorValue); // Output for debugging
  delay(50); // Adjust delay as needed
  
  // Receiver
  sensorValue = analogRead(microphonePin); // Read from the same pin as transmitter
  analogWrite(speakerPin, sensorValue / 4); // Adjust the divisor for volume control
}