After all, the Arduino isn’t actually measuring the CPU speed, nor is it directly controlling it (that’s still done by the original Turbo button wiring).

Magnus is an Arduino-powered exoskeleton that uses pairs of electromagnets and permanent magnets to actuate your fingers with superhuman quickness.

Getting a robot to stand on two wheels without tipping over involves a challenging dance with the laws of physics. Self-balancing robots are a great way to get into control systems, sensor fusion, … ...