Wifi Controlled CAR | Learn Robotics With Sourbh Kumar

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Wifi/IoT Controlled Car

Author: Sourbh Kumar
License: GNU General Public License v3.0
Usage: Open-source, shareable, and reproducible for educational purposes
File Links: (Code, Circuit diagram and support)

Project Overview
The Wifi/IoT Controlled Car project demonstrates a wireless, IoT-enabled vehicle that can be operated remotely via an app interface. Using a NodeMCU microcontroller and MIT App Inventor, this project provides a hands-on learning experience in IoT, embedded systems, and mobile app control. This README covers all the technical specifications, component list, setup instructions, and additional resources to help users build and customize their own IoT-controlled car.

Key Features
Real-time Control: Remotely control the car's movements (forward, backward, left, right) through a WiFi connection.
IoT Integration with NodeMCU: Utilizing NodeMCU for efficient and low-power IoT connectivity.
App-Based Interface: A mobile app developed on MIT App Inventor for seamless interaction.
Expandability: Open for modifications, allowing users to add sensors or additional functionality.
Components Required
Component Quantity Description
NodeMCU 1 ESP8266-based microcontroller with WiFi capabilities.
L298N Motor Driver 1 Dual H-Bridge motor driver to control DC motors.
DC Motors 2 Motors for driving the wheels, compatible with L298N.
Wheels 4 Wheels compatible with DC motors.
Chassis 1 Chassis to mount all components (metallic or plastic).
Battery Pack 1 Power source for NodeMCU and motors (e.g., 18650 Li-ion cells).
Jumper Wires 1 set For connecting components on the breadboard.
Slide Switch 1 On/off control for the car’s power source.
LEDs 2 (optional) Optional for indicators or headlights.
System Architecture
The project is based on a modular architecture, with each module handling a specific functionality of the car.

NodeMCU acts as the main control unit, receiving commands from the mobile app and driving the motors via the L298N Motor Driver.
L298N Motor Driver allows bi-directional control of the DC motors, enabling forward, backward, and turning maneuvers.
Power Management distributes power from the battery pack to the NodeMCU and motors, with options for charging and protection.
Mobile App (MIT App Inventor) serves as the user interface, providing buttons for navigation and LED control (optional).


For more projects and updates from Sourbh Kumar, follow @Sourbh_Kumar on GitHub.

Enjoy building your Wifi/IoT Controlled Car and dive into the world of connected robotics!

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