int analogVal = 0;
float voltage = 0;
int PWMout = 0;

void setup() {
  // put your setup code here, to run once:
 Serial.begin(115200);

}

void loop() {
  // put your main code here, to run repeatedly:
  analogVal = analogRead(A0);
  
  Serial.println("Analog reading: ");
  Serial.print(analogVal);

 voltage = (analogVal*5)/1024.0;
 Serial.print (" Voltage = ");
 Serial.println(voltage);

 PWMout = (analogVal*256)/1024;
 Serial.print(" PWM = ");
 Serial.println(PWMout);

 analogWrite(3, PWMout);
}