#define as A0
float as_value;
float vlt;
float value;
float AS;
void setup() {
  // put your setup code here, to run once:
  pinMode(as, INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  as_value=analogRead(A0);
  vlt=(as_value*5)/1024;
  value=as_value/10.24;
  AS=value/10.24;
  Serial.print("Value:");
  Serial.println(as_value);
  Serial.print("voltage:");
  Serial.println(AS);
  delay(1000);
}