Have you ever wanted to make your own catapult? Maybe you love the satisfaction of being able to send projectiles flying on your command, or maybe you genuinely have enemies you need to obliterate with your catapult! Regardless of your motivations, this is a fantastic and fun project. Instructables member cej12 has shared a detailed guide on how he created his own catapult.
The catapult is controlled using an Arduino Uno which tells a number of servos how and when to set and launch your projectile. This is a great project to learn the basics of Arduino. You can find more details at the following link or check out the catapalt in action below: