Requirements
	drive system
		like last year
			change to one and two joysticks switch
		high/low gear by servos
		fine control
			(scale joystick position directly to motor power)
		turbo mode
			(we are running at a normal speed of 80% of maximum, to initiate turbo mode, we would add the 20% through a button

inputs

x&y joysticky (Ya & Yb)
turbo button
high/low gear

outputs

motor a & b
torque motor

mixture

start button
scale
block movement during gear shift