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Filtro per servo

include <Servo.h>

Servo myservo;

int previousValue; //ultimo misuramento
int currentValue; //valore corrente
int expectedValue;

int flexSensor = 0;

int noise = 10; //se il prossimo rilevamento è cambia meno di 10, viene scartato
int noise1 = 350; //se il prossimo rilevamento è cambia più di 350, viene scartato
void setup()
{
pinMode(flexSensor, INPUT);
previousValue = analogRead(flexSensor);
currentValue = previousValue;
expectedValue = previousValue;

myservo.attach(9);

Serial.begin(9600);
}

void loop()
{
Serial.flush();
delay(500);

currentValue = analogRead(flexSensor);
if( abs(currentValue-previousValue) < noise) //abs è la funzione modulo abs(-5) == 5
{
previousValue=currentValue;
}
else
{
Serial.print("current value: ");
Serial.println(currentValue);
currentValue = map(currentValue, 300, 1023, 0, 180);
myservo.write(currentValue);
delay(100);
}
if( abs(currentValue-previousValue) > noise1) //abs è la funzione modulo abs(-5) == 5
{
previousValue=currentValue;
}
else
{
Serial.print("current value: ");
Serial.println(currentValue);
currentValue = map(currentValue, 300, 1023, 0, 180);
myservo.write(currentValue);
delay(100);
}
}

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