The Naughty or Nice Meter is our very first project. We used it to figure out the basics of our cloudbit kit. It uses a sound trigger to let us know people are being too rowdy. The sound trigger, triggers cloud bit that runs recipes to send a txt that someone is being Naughty, and to trigger the servo, light, and buzzer. The servo controls the arrow and triggers at 100 for 5 seconds. It's super simple. You could make this without the cloudbit and it would be more responsive, just wouldn't send the txt message. After a few hours playing we realized that putting the servo, light, buzzer before the cloud bit would let it trigger immediately!