Things required
Arduino Uno
Adafruit motor shield L293d
12 v DC motors 2 nos
Rechargable battery 12v
Chassis, wheels and castor wheel
jumper wire
Arduino code and circuit diagram:
https://drive.google.com/open?id=1Hq7...
adafruit motor library:
The AF_Motor Arduino library
Before you can use the Motor shield, you must install the AF_Motor Arduino library.
Download the library
Uncompress the ZIP file onto your desktop
Check that inside AFMotor is AFMotor.cpp and AFMotor.h files
Place the AFMotor folder into your arduinosketchfolder/libraries folder.
Rename the uncompressed folder AFMotor