hi! this is an easy proyect that link the arduino with autoit wireless Serial way using two apc220. if you want to make this you will need an arduino, a servo, 3 relays(or a l293d if your car motor consumes under than 2 amps),2 apc220, a old rc car and a batery. here are the codes and the circuit escheme... all is in spanish.. sorry.. :$ http://xapus.blogspot.com/2011/12/apc220-con-base-robot.html if someone have any questions or want more info, comment it.. the code: http://filebeam.com/5e3835