Controlling an arduino board

arduino-sample.kojo

// #include ~/kojo-includes/ka-bridge.kojo

def setup() {
    pinMode(2, INPUT)
    pinMode(3, OUTPUT)
    pinMode(4, OUTPUT)
    pinMode(5, OUTPUT)
}

def loop() {
    val switchState = digitalRead(2)
    if (switchState == LOW) {
        digitalWrite(3, HIGH)
        digitalWrite(4, LOW)
        digitalWrite(5, LOW)
    }
    else {
        digitalWrite(3, LOW)
        digitalWrite(4, LOW)
        digitalWrite(5, HIGH)
        delay(250)
        digitalWrite(4, HIGH)
        digitalWrite(5, LOW)
        delay(250)
    }
}