Here is a description for making a bluetooth controlled car.
Upload the "bluetoothCar.ino" code to arduino, gather the parts required, make the connections according to schematic and take extra 3 hours to make chassis and there you go, you have a car.
Part List
Arduino (any version would work).
Motor Driver -> l298n H-bridge motor driver.
Bluetooth Module -> HC-05 (any serial module would work).
DC Motor (2 DC motor (with fornt multi-direction wheel) / 4 Dc motor in parallel connection.)
Battery (3 X 18650 in series would do just fine.)
"Arduino car" application in android runs quite well for controlling this car !!
Schematic
Pin Connection description is also given in the code comments section.
