20 line Speed Encoder wheel.

The mechanical structure is simple, convenient installation.

The height between two chassis can be change by different copper pillar.

The four turn speed dc motor flexible, directional well. Quad, chronological horsepower. Chassis and stability is very easy to extend

The car comes with speed encoder, cooperate with our speed of photoelectric, can rapidly form a speed measuring system. Can speed, range, form a closed loop system.

The car with our four L293D motor driver module, four-way tracing module, and 51 control unit seamless docking, with red light expanded hole of obstacle avoidance, composition system is concise and good-looking.

Package Includes:

• 2 x Acrylic Car Chassis Boards
• 4 x Dual Axis Yellow Gear Motor
• 4 x Robot Plastic Tire Wheel
• 4 x AA Battery Case, Nut and Bolt