I really new to aurdino, and I have some idea how to code, but when i try, something usually goes wrong. Theres a competition upcoming, and i was elected to go. Its a sumobot comp. I haven''t been able to code one, so i need some help. the specs of my robot is a hc-sro4 ultrasonic with an arduino UNO with 4 dc motors. the kit I use is the eleego smart car v.3. PLs i need help>