#define PUMP_PIN 1
#define LED_PIN 13
void setup() {
    pinMode(PUMP_PIN, OUTPUT);
    pinMode(LED_PIN, OUTPUT);

    Serial.begin(9600);

    digitalWrite(PUMP_PIN, LOW);
    digitalWrite(LED_PIN, LOW);
}

void loop() {
    Serial.println("Turning on the pump...");
    digitalWrite(PUMP_PIN, HIGH);
    digitalWrite(LED_PIN, HIGH);
    Serial.println("The pump is on!");
    delay(3000);
    Serial.println("Turning off the pump...");
    digitalWrite(PUMP_PIN, LOW);
    digitalWrite(LED_PIN, LOW);
    Serial.println("The pump is off!");
    delay(3000);
}