DIY RC car with a simple mechanical structure for quick assembly and reliable obstacle avoidance during operation. Intelligent features enable distance and speed measurement, making it a practical platform for learning, data collection, and DIY experiments with RC cars. Integrated power design includes a dedicated fifth battery compartment that powers the entire system, allowing smooth start and stop and a compact, highly integrated package. DIY friendly and upgrade ready: designed for DIY RC car projects with straightforward customization and no need for extra add-ons. Use scenarios - Education and experiments: students or hobbyists measure distance and speed, test control algorithms, and build custom configurations. - Hobby customization: assemble and modify RC cars, add sensors, and practice obstacle navigation. - Field demos: portable, integrated power setup supports quick demonstrations with minimal wiring. Note: color and size may vary slightly due to lighting, monitor settings, and manual measurement.