Today we would build a micro:bit loader with bricks. It helps us to load and unload some building materials to reduce the difficulty of our construction. In road construction, especially in the construction of high-grade highways, the loaders are often used for filling and excavating roadbed works, asphalt mixtures and aggregate and loading of cement concrete yards.
Cats are animals with strange tempers sometimes, they will run away from you while you want to touch them; and when you want to focus on your work, they just keep annoying you. Thus, I’m gonna make an automatic device with the help of the laser that is able to tease the cats.