Differential Drive Robots a book by Colin B. Price
2WD Mobile Platform for Arduino - RobotShop
Arduino-Android General Purpose Robot - Robots - RobotShop Community
GPS Guides Robotic Car - Circuit Cellar
Differential Drive Robot | 3D CAD Model Library | GrabCAD
Smart Car Chassis For Arduino Active Differential Front Wheel Servo Steering Gear Drive Belt Encoder Double Motor Diy Rc Toy - Parts & Accs - AliExpress
Cyan Infinite - Making a differential robot with the L298N Dual Motor Controller
How to make a DIY Joystick Controlled Mobile Robot using arduino