An Easy Guide for Creating a Wi-Fi-Controlled ESP32 Cam Surveillance Car
In this guide, we’ll walk through the process of building an ESP32 Cam Surveillance Car — an excellent project for those interested in learning about remote-controlled systems and ESP32-based projects. This project utilizes the ESP32 camera module, offering an accessible and practical solution that’s both energy-efficient and budget-friendly. Let’s delve into the details.
The ESP32 Cam Surveillance Car project showcases the versatility of the ESP32 platform for creating remote-controlled devices. This guide provides a step-by-step approach to building the car and understanding its components.
Key Features and Components
ESP32 Cam Module: The heart of the surveillance car, providing WiFi connectivity and camera functionality.
Web Controls: Allows remote control via a web interface, eliminating the need for additional hardware.
Affordable Design: Built with easily accessible components, making it suitable for hobbyists and learners.
Open-Source: Provides flexibility for customization and learning by sharing all design files and code.
Compact and Portable: Designed to be compact and easy to carry, ideal for educational purposes.
Scalable and Upgradable: Offers opportunities for expansion and future enhancements.
Required Components
To build the ESP32 Cam Surveillance Car, gather the following components:
- ESP32 Camera Module
- CH340K USB-UART controller
- TP4056 Li-ion charger IC
- MX1508 motor driver module
- AO3401 P-MOSFET
- Type C USB Connector
- LiPo Battery
- N20 Motors and 44mm wheels
- SMD resistors, capacitors, and LEDs
- Slide Switch, Connectors, Custom PCB, Mounting screws, and other tools
The approximate cost of building the ESP32 Cam Surveillance Car is around ₹990.00. Prices may vary based on component vendors and quantities.
Circuit Design
The circuit diagram for the surveillance car is straightforward and divided into several sections:
- USB Type C Port: Includes a power path controller MOSFET and switch for programming and charging.
- Battery Charger Circuit: Uses the TP4056 chip with charging indicators to manage the LiPo battery.
- Programming Circuit: Features the CH340K USB-UART converter for ESP32 module programming.
- Motor Driving Section: Utilizes the MX1508 motor driver module for motor control.
Custom PCB Design
A custom PCB serves as the backbone of the ESP32 Cam Surveillance Car, providing interconnectivity and structural support. The design files are available for download, enabling easy replication and modification.
After finalizing the PCB design, you can order it from NextPCB or another manufacturer of your choice. Upload the Gerber file, specify dimensions and preferences, and proceed with the order.
Assembly Process
Once you receive the PCB and components, follow these steps for assembly:
- Soldering: Begin with SMD components using a temperature-controlled soldering station.
- Component Integration: Assemble modules and connectors according to the circuit diagram.
- Motor and Battery Setup: Secure N20 motors and LiPo battery using provided mounting options.
- Wheel Installation: Attach wheels to motor shafts to enable movement.
- Testing: Ensure all connections are secure and functional before proceeding.
Programming the Surveillance Car
To begin programming the ESP32 Cam Surveillance Car, set up the Arduino IDE by installing the ESP32 core and required libraries like AsyncTCP and ESPAsyncWebServer. Customize the provided code with your WiFi credentials and desired functionalities. Upload the modified code to the ESP32 Cam module using the Arduino IDE. Once uploaded, power on the surveillance car and connect to its WiFi network. Access the web interface hosted by the ESP32 Cam module to control the car remotely using web controls. This straightforward process ensures that the ESP32 Cam Surveillance Car is configured and ready for wireless operation.
Building the ESP32 Cam Surveillance Car is an educational and rewarding experience, introducing you to IoT concepts and remote-control systems. It’s a great project for beginners and enthusiasts alike, offering practical insights into ESP32 development.
Supporting Resources
For complete source code, schematics, and additional project files, visit the GitHub repository linked in this guide. Explore and enjoy the process of building and customizing your ESP32 Cam Surveillance Car!
