#include <SoftwareSerial.h>
 
const int analogPin = A0;
SoftwareSerial mySerial(2, 3); // RX, TX
 
void setup()
 {
  Serial.begin(9600);  // Initialize Serial communication
  mySerial.begin(9600); // Initialize SoftwareSerial for UART
}
 
void loop()
 {
  int sensorValue = analogRead(analogPin);
 
  // Send analog value over UART
  mySerial.print("Analog Value: ");
  mySerial.println(sensorValue);
 
  // Read from SoftwareSerial (UART)
  if (mySerial.available() > 0) {
    int receivedInt = mySerial.read();
    Serial.print("Received from UART (as integer): ");
    Serial.println(receivedInt);
  }
  Serial.print("Available Bytes: ");
  Serial.println(mySerial.available());
 
  delay(2000);
}