// Step 1 - Blink the status LED on D10 // Checks that the XIAO, the LED and R1 are soldered correctly. const int LED_PIN = D10; // our LED is wired to pin D10 void setup() { pinMode(LED_PIN, OUTPUT); // D10 will send current out Serial.begin(115200); // open a message channel to the computer Serial.println("Victor's Boat PCB is alive!"); } void loop() { digitalWrite(LED_PIN, HIGH); // LED on Serial.println("LED on"); delay(500); // wait 0.5 seconds digitalWrite(LED_PIN, LOW); // LED off Serial.println("LED off"); delay(500); }