Datasheet

4
{
FirstShotX = sensorValue;
Serial.print("FirstShotX = ");
Serial.println(FirstShotX);
}
Serial.print("X = ");
Serial.println(sensorValue - FirstShotX);
sensorValue = analogRead(A1);
if(FirstShotY == 0)
{
FirstShotY = sensorValue;
Serial.print("FirstShotY = ");
Serial.println(FirstShotY);
}
Serial.print("Y = ");
Serial.println(sensorValue - FirstShotY);
delay(200);
}
The test result is shown below, just for reference.
Different values will be displayed because of different operations