Sample of Arduino code for lesson 2020-11-13

main.cpp

int duration = 200;
int blueLedPin = LED_BUILTIN;

int count = 0; 

void blink() {
  digitalWrite(blueLedPin, HIGH);
  delay(duration);
  digitalWrite(blueLedPin, LOW);
  delay(duration);
}

void setup() {
  pinMode(blueLedPin, OUTPUT);
  Serial.begin(9600);  
}

void loop() {
  Serial.print(count);
  blink();
  delay(2000);

  count = count + 1;
}