Warning : You pretty much have to see the video to use it.

Tank Controls :
Up/Down to move forward/backward
Left/Right to turn
Jump to reverse the engine direction (can be useful when forward gets inverted)

Cannon Controls :
Directional keys to move the cannon
Jump to fire

I also made a secondary schematic with just the controllers and shell builders :
https://www.mediafire.com/file/eclcy78xxpkb9p8/tank_pack.nbt/file

This was made in 1.18.2 with Create v0.5d