Project Hub /Security Surveillance & Defense/Smart Door Lock (Keypad/App/OTP)/Smart Video Doorbell using ESP32 Cam

Intermediate

ESP32

₹500 – ₹1,500

3 – 6 Hours

Partial Kit

Smart Video Doorbell using ESP32 Cam

Create a feature-packed smart video doorbell using an ESP32-CAM, push button, buzzer, and IFTTT integration for remote alerts and video streaming.

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. 1,483.00
USB to UART/ESP8266 Adapter Programmer for ESP-01 WiFi Modules with CH340G Chip Rs. 99.00
Piezo Buzzer (Big) 6-12V Rs. 45.00
2-Slot 18650 Holder with Protective Cover and On/Off Switch – Case Rs. 109.00
10pcs 5mm RED Diffused Light Emitting Diodes - LEDs Set Rs. 39.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
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 Female 20cm Rs. 45.00

Selected: Rs. 0.00

We don't carry yet: LED Bulb / Lamp / AC Load
Enclosure / Box / Case

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How It Works

This smart video doorbell project is orchestrated by the ESP32-CAM module, which combines a powerful ESP32 microcontroller with an onboard camera to handle both local processing and wireless connectivity. When a visitor arrives and presses the push button, it triggers an event detected by the ESP32-CAM. Simultaneously, the system can provide local feedback by activating a buzzer and illuminating status LEDs. Upon receiving the button press signal, the microcontroller connects to your local Wi-Fi network and leverages an IFTTT (If This Then That) webhook integration. This triggers remote notifications, sending alerts or media feeds to your connected devices so you can monitor visitors remotely. The entire electronics assembly is securely housed inside a custom 3D printed casing to protect the internal wiring. Powering the system is achieved via a 220V AC to 5V DC converter, which safely steps down high-voltage mains electricity to supply the low-voltage DC required by the ESP32-CAM and peripheral components. During the development and setup phase, an FTDI programming Board is temporarily connected to the ESP32-CAM to flash and upload the necessary firmware code written via the Arduino IDE using the ESP32 Board Package.

Why Build This

Develop practical competencies in IoT system integration by bridging hardware microcontrollers with cloud-based automation services like IFTTT.

Implement cost-effective home automation solutions tailored for smart home security and remote visitor monitoring applications.

Gain hands-on experience in power management by safely integrating high-voltage AC mains reduction with low-voltage microcontroller logic.

Real-World Application

Smart home security, remote visitor monitoring, and affordable DIY home automation alternatives to commercial video doorbells.

Skills You'll Learn

Microcontroller programming

Wi-Fi network integration

Cloud webhook configuration

AC-to-DC power conversion

Camera module interfacing

Peripheral device control

Safety Precautions

Working with 220V AC to 5V DC conversion requires caution to prevent electric shock. Ensure proper insulation and enclosure safety when powering from mains.

Technology Tags

ESP32-CAM

IOT

WI-FI

IFTTT

WEBHOOKS

C++

ARDUINO

CAMERA SERVER

3D PRINTING

Frequently Asked Questions

Can I program the ESP32-CAM directly via a standard USB cable?

No, the ESP32-CAM lacks an onboard USB-to-serial converter, which is why an external FTDI Programming Board is required to upload code from the Arduino IDE.

What is the purpose of the IFTTT account in this project?

The IFTTT account acts as the bridge between your local ESP32-CAM hardware and cloud-based notifications, allowing the doorbell to send remote alerts to your devices over the internet.

How is the circuit powered safely from a standard wall outlet?

A dedicated 220V AC to 5V DC converter steps down the high-voltage mains electricity to a safe low-voltage direct current required to run the ESP32-CAM and its peripherals, though proper insulation inside the 3D printed casing is critical.

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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