         bot.buzz(500);
         bot.drive(-20);
         setLEDColour(1,0,0);  // Red, because we hit something
+        playGrumpy();
     }
 
     // Insert some recovery based on which bumper was hit

    Serial.println("Logobot");
    bot.begin();
    bot.initBumpers(SWITCH_FL_PIN, SWITCH_FR_PIN, SWITCH_BL_PIN, SWITCH_BR_PIN, handleCollision);
    bot.initBuzzer(BUZZER_PIN);
    bot.playStartupJingle();
}

void loop()

    setLEDColour(0,0,0);
}

static void setLEDColour(byte r, byte g, byte b) {
    digitalWrite(LED_RED_PIN, r);
    digitalWrite(LED_GREEN_PIN, g);
    digitalWrite(LED_BLUE_PIN, b);
}

static void initBuzzer() {
    pinMode(BUZZER_PIN, OUTPUT);
}

static void playStartupJingle() {
    for (byte i=0; i<3; i++) {
        analogWrite(BUZZER_PIN, 100 + i*50);
        delay(200 + i*50);
    }

    analogWrite(BUZZER_PIN, 0);
}

static void playGrumpy() {
    for (byte i=0; i<2; i++) {
        analogWrite(BUZZER_PIN, 250 - i*100);
        delay(100 + i*100);
    }

    analogWrite(BUZZER_PIN, 0);
}
