Create a blinky LED with Arduino Nano 33 BLE sense board.
void setup() {
pinMode(LED_BUILTIN, OUTPUT);
Serial.begin(9600);
}
void loop() {
Serial.println("HIGH");
digitalWrite(LED_BUILTIN, HIGH);
delay(1000);
Serial.println("LOW");
digitalWrite(LED_BUILTIN, LOW);
delay(1000);
}