int vin=A5;
int t=1;
int at;
double vx;
float rx;
double i;
void setup()
{
pinMode(vin,INPUT);
pinMode(t,OUTPUT);
digitalWrite(t,LOW);
Serial.begin(9600);  
}
void loop()
{
  digitalWrite(t,HIGH);
  delay(100);
  at=analogRead(vin);
  Serial.println(at);


}