The Bucket wheel excavator is built from the Lego Wedo 2.0 educational kit. The excavator has rotary ladle that activates by bevel gear. Also there is a control with tilt sensor – no rotation in upper point, and on the contrary in the lowest point – ladle starts rotate.
The set includes step-by-step building instructions and a example of program (in Lego Wedo 2.0 environment).