Project Hub /Basic Analog & Power Electronics/Battery Chargers & Charging Circuits/Mobile Control Car with ESP32CAM

Intermediate

ARDUINO

₹1,500 – ₹5,000

6 – 12 Hours

Partial Kit

Mobile Control Car with ESP32CAM

A mobile-controlled inspection car project utilizing an Arduino Uno R4 for motor and wireless control alongside an ESP32-CAM module for live video feedback, built via MIT App Inventor.

Originally published on CircuitDigest

View original tutorial

Parts You'll Need

This project is sourced from another site, not written by us — this list is our best match of their components against what we stock, not a verified bill of materials. Always check the original blog (linked above) for the actual parts list before buying.

ESP32 CAM WiFi Module Bluetooth with OV2640 Camera Rs. 810.00
L298N Dual H-Bridge Motor Driver Module – 2A Rs. 195.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
Jumper Wire 10 Pin Male To Female 20cm Rs. 45.00

Selected: Rs. 0.00

We don't carry yet: Prototype Kit / Sensor Kit / Starter Kit
Battery (generic / unspecified)
Arduino Uno R4 / Minima

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How It Works

The Mobile Control Car with ESP32CAM is an advanced remote-operated robotic vehicle that combines wireless video streaming with multi-motor actuation. At the heart of the locomotion system is the 4WD car kit powered by four DC motors, which are driven by the L298N motor driver. Because microcontroller pins cannot supply enough current to drive motors directly, the L298N acts as an intermediary power amplifier, taking control signals from the Arduino Uno R4 and drawing power from a four-cell Lithium-Ion battery pack to rotate the wheels forward, backward, or pivotally. The Arduino Uno R4 manages the core processing and motor control logic, while the integrated ESP32-CAM module handles wireless connectivity and streams a live video feed back to the user. The entire system is remotely commanded through a custom mobile interface built using MIT App Inventor, allowing the user to send directional instructions over a wireless network while simultaneously viewing the ESP32-CAM's real-time optical feedback. A dedicated battery charger ensures the multi-cell Lithium-Ion power source is safely replenished between operational runs.

Why Build This

Gain practical experience building remote-controlled robotics for hazardous or tight inspection tasks like industrial equipment checks.

Learn how to integrate microcontrollers, motor drivers, and wireless cameras into a single cohesive system.

Develop custom mobile application interfaces using MIT App Inventor to control physical hardware.

Real-World Application

Remote inspection in tight or hazardous areas, such as industrial equipment checks or honeybee taming observation.

Skills You'll Learn

Motor driver interfacing

DC motor control

wireless video streaming

mobile app development

power distribution and battery management

serial communication

Safety Precautions

Exercise caution with lithium-ion batteries and ensure correct wiring to prevent over-current conditions and hardware damage.

Technology Tags

ESP32-CAM

ARDUINO UNO R4

L298N MOTOR DRIVER

MIT APP INVENTOR

MOBILE CONTROL

WI-FI

BLUETOOTH

ROBOTICS

Frequently Asked Questions

Why do I need an L298N motor driver instead of connecting the motors directly to the Arduino?

DC motors draw much more current than microcontroller pins can safely provide. The L298N motor driver takes external power from the lithium-ion batteries and safely switches high current to the motors based on low-current signals from the Arduino.

How does the mobile phone communicate with the car?

You build a custom user interface using MIT App Inventor that sends commands wirelessly. The ESP32-CAM module receives these commands to control movement and simultaneously streams video back to your device.

Can I use standard alkaline batteries instead of a Lithium-Ion battery pack?

Lithium-ion batteries are recommended because 4WD car kits and video-streaming modules require a stable, high-current power source. Standard alkaline batteries may deplete too quickly or fail to supply enough current under motor load.

Gallery

This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.

Kitkraft Project Hub — curated from the maker community, credited at the source.

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