Smart Robot Car Chassis Kit, 20 Lines Tachometer Code, 4 Battery Compartments, Switch, No Additional Tools, for Boys, Girls, Science, Coding, Building, Electronic Kit, Age 16+

• EASY INSTALLATION: Smart robot car come with simple mechanical structure, very convenient installation
• A VARIETY OF SYSTEMS: The car comes with 20 lines of tachometer code, with photoelectric gun shop can quickly form a gun system. Can be composed of speed, distance, closed loop system
• POWER SUPPLY AND SWITCH: Smart car is equipped with 4 battery compartments to facilitate the power supply of the whole system. At the same time with a switch, easy to start and stop the system
• GOOD INTEGRATION: No need for additional tools, very convenient, make the whole system highly integrated
• RELIABLE PCB: Adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability

Product description 1. EASY INSTALLATION: Smart robot car come with simple mechanical structure, very convenient installation 2. A VARIETY OF SYSTEMS: The car comes with 20 lines of tachometer code, with photoelectric gun shop can quickly form a gun system. Can be composed of speed, distance, closed loop system 3. POWER SUPPLY AND SWITCH: Smart car is equipped with 4 battery compartments to facilitate the power supply of the whole system. At the same time with a switch, easy to start and stop the system 4. GOOD INTEGRATION: No need for additional tools, very convenient, make the whole system highly integrated 5. RELIABLE PCB: Adopt excellent PCB materials, with reliability and miniaturization, good maintenance and interchangeability Specification: Item Type: Smart Robot Car Chassis Kit Material: PCB Power Supply: 4 x AA battery(not included) packing list: 1 x Car Chassis 2 x Wheel 2 x Motor 1 x R3 Motherboard 1 x V5.0 Expansion Module 1 x L298N Driver 1 x SG90 Module 1 x SR04 Ultrasonic Module 1 x USB Cable 1 x User Manual 1 x Battery Box/Cover 1 x Caster 4 x Bracket Fittings 1 x Module with Line Row 4 x Connecting Wires 1 x No. 1 Screw Pack(4 x long screws, 4 x medium flat screws, 5 x medium tip screws, 7 x short screws, 6 x nuts) 1 x No. 2 Screw Pack (3 x accessory holder, 2 x medium screws, 1 x short screws) 1 x No. 3 Screw Pack (4 x long fitting, 2 x round fitting, 1 x switch, 4 x long screws, 10 x short screws, 6 x nuts, 4 x bolts) Safety Warning this product has no safety hazard to users