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About SunFounder

SunFounder is a company focused on STEAM education with products like open source robots and smart devices distributed globally. In SunFounder, we strive to help elementary and middle school students as well as hobbyists, through STEAM education, strengthen their hands-on practices and problem-solving abilities. In this way, we hope to disseminate knowledge and provide skill training in a full-of-joy way, thus fostering your interest in programming and making, and exposing you to a fascinating world of science and engineering. To embrace the future of artificial intelligence, it is urgent and meaningful to learn abundant STEAM knowledge.

About This Kit

PiCar-4WD is a cost-effectively developmental smart car kit of Raspberry Pi, suitable for the Raspberry Pi 3 model B/B+ and 4 Model B. With the grayscale module, ultrasonic module, Photo-interrupter sensor module, the car can realize obstacle avoidance, line following, object following, cliff detection, velocity measurement, mileage calculation and so on.

Besides, the kits comes with operational examples of Web terminal, a rookie-friendly design. We also provide the original python code for in-depth learning.

Quickly Support

Thanks for using the PiCar-4WD Smart Robot Car Kit for Raspberry Pi. You can contact us at the email address below. Please don’t hesitate to let us know if you need any support from us. We love helping our customers to learn and play with our products.

If you have any TECHNICAL question, add a topic under FORUM section on our website and we’ll reply as soon as possible.

For NON-TECH questions like order and shipment issues, please send an email to You’re also welcomed to share your projects on FORUM.

Copyright Notice

All contents including but not limited to texts, images, and code in this manual are owned by the SunFounder Company. You should only use it for personal study, investigation, enjoyment, or other non-commercial or nonprofit purposes, under the related regulations and copyrights laws, without infringing the legal rights of the author and relevant right holders. For any individual or organization that uses these for commercial profit without permission, the Company reserves the right to take legal action.