Project Hub /Basic Analog & Power Electronics/ESP32 As Camera Webserver

Intermediate

ESP32

Project Specific

3 – 6 Hours

Partial Kit

ESP32 As Camera Webserver

This project details how to set up an ESP32 Cam module as a web server to stream real-time video over Wi-Fi and display its network IP address on an OLED screen.

Originally published on ElectronicsForU

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 WiFi+Bluetooth CP2102 Development Board Rs. 520.00
0.96 Inch I2C/IIC 4pin OLED Display Module White Rs. 349.00
USB to UART/ESP8266 Adapter Programmer for ESP-01 WiFi Modules with CH340G Chip Rs. 99.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
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: Battery (generic / unspecified)
USB Host / Programmer (ISP/USBasp)
Voltage Regulator IC (7805 / LM317 / 1117)
Diodes (1N4007 / 1N4148 / Schottky / Zener)
Capacitors

Browse all components

How It Works

The ESP32 As Camera Webserver project integrates a microcontroller-based camera system with a local network interface and a visual status readout. At the core of the system is the ESP32 microcontroller featuring an integrated camera, which captures image frames and processes them into a digital data stream. Because the ESP32 requires a stable 3.3V supply, an LM1117 3.3V voltage regulator steps down the input voltage from a 5V DC adapter or battery source. A 1N4007 diode and a 100µF, 10V capacitor (C1) are incorporated into the power supply circuit to help smooth voltage fluctuations and protect against reverse polarity. Once powered, the ESP32 connects to a local Wi-Fi network using its onboard radio transceiver, hosting a web server that clients can access via a web browser to stream real-time video. Concurrently, an SSD1306 OLED display communicates with the ESP32 to present system status information, specifically displaying the dynamically assigned network IP address so the user knows where to direct their browser. Programming and initial debugging of the ESP32 are facilitated through a USB-to-Serial FTDI chip or dedicated USB programmer connected to its UART pins.

Why Build This

Develop practical undergraduate-level competencies in embedded web server deployment and wireless video streaming protocols.

Implement I2C communication protocols to interface peripheral display hardware like the SSD1306 OLED with a microcontroller.

Design and analyze stable power distribution networks utilizing linear voltage regulators, diodes, and decoupling capacitors.

Real-World Application

Home security, remote monitoring, and covert espionage or surveillance setups.

Skills You'll Learn

Embedded web server configuration

I2C communication

power supply regulation

camera module interfacing

serial programming

Safety Precautions

No specific precautions noted for this build — always follow general electronics safety practices.

Technology Tags

ESP32

CAMERA

WEBSERVER

WI-FI

OLED DISPLAY

ARDUINO IDE

IOT

Frequently Asked Questions

Why do I need an external USB-to-Serial FTDI chip if the ESP32 has USB capabilities?

Many ESP32 camera modules lack an onboard USB-to-serial converter to save space and cost, requiring an external FTDI programmer to upload code via the UART pins.

What is the purpose of the LM1117 voltage regulator in this circuit?

The LM1117 steps down the 5V input from your power supply to the strict 3.3V required by the ESP32 core and camera module to prevent hardware damage.

How do I find the IP address to view the video stream if the OLED display fails?

You can monitor the serial output via your USB programmer in the Arduino IDE serial monitor during bootup to view the assigned IP address.

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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