WeDo 2.0 Tick Tack Pendulum Timer HD

This contruption is a pendulum based timer, which counts every swing and animates it on screen, using Scratch animation and Sound. A counter ticks 20 times and stops. It is using a tilt sensor attached to the pendulum, to automatically change direction of rotation of the motor, giving a feel of a natural swing motion, but the swing is not natural but it is created by the motor. The Stage of Scratch is uded in sync to depict the count of the ticks.