question on internal steering wheel

Hello guys,I'm working on a personal internal steering wheel,and I would like to give that effect that when the rpm are going up together with the lights red,blue and green even the battery level goes up just like Duffer did with his 2015 steering wheels,how can I add this effect on my wheel please?thanks in advance

Greetings
Alessio


CoM3 oN McL4R3n.....