Minecraft name: piotrek1225
What do you like the most about redstone?: calculators, CPU etc.
What’s a thing you have made which demonstrates redstone knowledge?: 4 bit ALU
What does the thing do?: It can add, substract, OR, FC, invert A, invert B
Image(s) and/or video(s) of the device: https://imgur.com/a/OV3G5S6
What do you plan on making for your build trial?: 4bit Alu
Do you agree with the rules?: Yes