#include <CircularBuffer.h>

CircularBuffer<int,10>buffer;
unsigned long time_last_read = millis();



void setup() {
  Serial.begin(9600);
  pinMode(A0,INPUT);
}

void loop() {
 unsigned long time = millis();
 if(millis()-time_last_read > 1000){
  buffer.push(analogRead(A0));
  time_last_read = time;

  if( buffer.size() >= 10 ){
    int avg = 0;
    for(int i = 0; i< buffer.size(); i++){
      avg += (buffer[i]/buffer.size());
    }
    Serial.print("la media è ");
    Serial.println(avg);
  }//if size
 }//if millis

}//loop