rc car!

i am making RC car with arduino ,i want it to pass a u turn track ,it is 4wd ,wheels are straight ,how can i make wheels turn around to pass theu turn ?!


This is a companion discussion topic for the original entry at https://community.robotshop.com/robots/show/rc-car-1

General design

Do you have a general design in mind? What have you created / ordered so far? The more information you can provide, the better we can help.