Student: Costin-Emanuel Vasile (ACES)

The project is a smart embedded system that utilizes an ESP32-CAM board mounted on a plexiglass car chassis.

The ESP board serves as the brain of the system, hosting a web platform that allows users to access the live video feed from the camera and remotely control the movement of the car. The system is equipped with a variety of commands, including change of movement state and the state of the light.

This provides a convenient and user-friendly way to control the movement of the car remotely and explore its surroundings.

The ESP32-CAM is a development board that combines the functionality of the ESP32 microcontroller and a camera. Some of the key features of the ESP32-CAM include:

• Dual-core microcontroller: The ESP32-CAM is based on the ESP32 microcontroller, which has two 32-bit cores running at up to 240 MHz
• Built-in camera: The ESP32-CAM has a built-in camera module with a resolution of up to 1080p. This allows the system to capture and stream video in real-time
• Wi-Fi and Bluetooth: The ESP32-CAM has built-in support for Wi-Fi and Bluetooth, which can be used to connect to a network and communicate with other devices

The FT232RL chip is a very useful component because it allows you to easily connect the ESP32-CAM to a computer and communicate with it, which is essential for programming, testing, and debugging the system.

The chip converts the USB signals from the computer into UART serial interface signals that the ESP32-CAM can understand and vice-versa. This allows to upload code to the ESP32-CAM and also send commands or receive data from it through the serial interface.

In addition to programming and debugging, the module equiped with FT232RL is also used to power the ESP32-CAM module during normal execution, as it has a USB input and 5V/GND wire outputs.

The L298N module is a type of motor driver that is used to control DC motors. It is based on the L298 H-bridge IC, which is a popular integrated circuit for controlling the speed and direction of DC motors. The L298N module is a breakout board that includes the L298 IC, as well as some additional components such as diodes and transistors, to provide a convenient and easy-to-use motor control solution.

The L298N module works by using H-bridge circuit to control the voltage applied to the DC motors. An H-bridge is a type of circuit that allows the direction of current to be reversed, which in turn allows the direction of the motor's rotation to be controlled. The L298N module has four inputs that can be used to control the motor: two inputs for controlling the direction of rotation (IN1 and IN2), and two inputs for controlling the speed of the motor (EN1 and EN2).

The plexiglass car chassis is used to hold all the components in place and provide a structure for the car. It is equiped with two DC motors rated for a voltage operation of 5V-12V.

The source of the schematic can be found here.

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