I am new to the world of arduino and electronics
Then you should probably do a LOT of learning before you start modifying a two thousand pound machine that moves at 70 miles per hour and has the potential to kill people. The particular questions you are asking back that up. You should probably not be messing with something that is safety critical until you have at least learned the basics. Really you should be at the expert level for that, but let's at least get past the basics before we do anything that could cause someone to lose a life.
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