void demoCounter() {
 int localCount = 0;
 static int staticCount = 0;

 localCount++;
 staticCount++;

 Serial.print("localCount = ");
 Serial.print(localCount);
 Serial.print(" , staticCount = ");
 Serial.println(staticCount);
}

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

void loop() {
 demoCounter();
 delay(1000);
}