Actually, the hardware guys already have it solved. We already know how to do bus arbitration, and cars are like little buses. CANbus could work, and it's alre

Actually, the hardware guys already have it solved. We already know how to do bus arbitration, and cars are like little buses. CANbus could work, and it's already used in the automotive world. It's nice because the higher-priority bus driver is not delayed. Unfortunately, the lower priority one gets run over. Might have to work on that.