How to display data every 10 seconds?

Projects Programming
8

consider

int count = 0;
unsigned long msecLst;

#define TWO_SEC     2000

void setup() {
    Serial.begin (9600);
}

void loop() {
    unsigned long msec = millis();

    if ( (msec - msecLst) > TWO_SEC)  {
        msecLst = msec;
        Serial.println (count);
        count = 0;
    }
};