05 - Arduino - dáta zo senzorov

int pin = A3;
int sensorValue = 0; 
double alpha = 0.1;
double output = 0;
double prev = 0;
 
void setup() {
  Serial.begin(9600);
}
 
void loop() {
  prev = output;
  sensorValue = analogRead(pin);
  output = alpha * sensorValue + (1-alpha) * prev;
 
  Serial.print(sensorValue);
  Serial.print(", ");
  Serial.println(output);
 
  delay(20);
}