ESP32 CAM Solar Smart Robot Car Kit – 4WD Arduino WiFi Camera

Master Robotics, Solar Energy & IoT in One Kit

The ESP32 CAM Solar Smart Robot Car Kit is a complete educational robotics platform that brings together wireless control, computer vision, solar energy harvesting, and autonomous navigation into a single hands-on project. Whether you’re a student taking your first steps in electronics, a teacher building a STEM curriculum, or a maker looking for a weekend project, this kit delivers real engineering concepts through an engaging, build-it-yourself experience.

Real-Time WiFi Video Streaming

At the heart of this robot car is the ESP32-CAM module with an integrated camera and external antenna for boosted signal strength. Once connected to your local WiFi network, the car streams live video directly to a web-based interface on your phone, tablet, or PC. There’s no app to install. Just open the browser, enter the car’s IP address, and you have full video feed with directional controls. The external antenna ensures reliable connectivity at distances up to 50 meters, making it practical for indoor and outdoor use.

Solar Charging with Intelligent Voltage Monitoring

This kit introduces real-world renewable energy concepts through a 5V 2.5W solar panel mounted on a photosensitive tracking gimbal. The gimbal uses light-dependent resistors to automatically orient the panel toward the strongest light source, maximizing charging efficiency. A built-in digital voltmeter displays real-time battery voltage, and when it drops below 6V, you simply engage the solar charging module to recharge the 18650 battery, protecting it from deep discharge damage.

Autonomous Navigation Modes

The car operates in multiple intelligent modes. The ultrasonic obstacle avoidance system pairs an HC-SR04 sensor with a servo motor that scans left, center, and right, calculating distances and choosing the clearest path. This teaches both ultrasonic ranging and PWM servo control. The ultrasonic following mode detects an object in front and maintains a set following distance, moving forward or backward automatically. The three-way infrared tracking module follows black lines on the ground with high precision, requiring no manual calibration out of the box.

Beginner-Friendly, No Soldering Required

Every connection in this kit uses plug-in terminals and pre-made cables. You won’t need a soldering iron, making it accessible for classrooms, workshops, and young learners. The included assembly manual walks you through the entire build step by step, and all Arduino source code is provided and well-commented for easy understanding and modification.

Expandable & Future-Proof

The control board offers rich expansion interfaces for connecting additional sensors, displays, and modules. Once you’ve mastered the built-in functions, you can extend the car with custom features. Add a buzzer, connect an OLED display, integrate GPS, or write entirely new autonomous behaviors. The Arduino IDE and C language provide a professional programming foundation that scales from beginner experiments to advanced robotics projects.

Specifications

What’s in the Box

• 4WD car chassis with geared motors and wheels
• ESP32-CAM module with ESP32 Cam-MB module
• H-Bridge Motor driver
• HC-SR04 ultrasonic sensor with servo mount
• 6V 1W solar panel Plate
• 2x LDR module
• Digital voltmeter display
• All cables, screws, and mounting hardware
• Assembly manual and Arduino source code