Project Hub /IoT & Connected Devices/Smart Home & Building Automation/DIY ESP8266 based Smart Doorbell with Mobile Alert Notification

Beginner

ESP8266

₹500 – ₹1,500

3 – 6 Hours

Partial Kit

DIY ESP8266 based Smart Doorbell with Mobile Alert Notification

This project modifies an inexpensive wireless RF doorbell by integrating an ESP8266 module to send push notifications to your smartphone whenever the doorbell is pressed.

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.

ESP8266 ESP-01 5V, 1 Channel WiFi Relay, Module Things Smart, Home Remote Control, Switch Rs. 886.00
10pcs - 220 ohm 1/4 W Resistor 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

This list includes a generic resistor set as a placeholder — it is not matched to the exact value or part number this circuit needs. The correct one is specified on the original source page linked above; check it before buying.

We don't carry yet: Perfboard / Veroboard / Stripboard
AA / AAA Battery + Holder
RF doorbell set

Browse all components

How It Works

This smart doorbell system bridges traditional radio frequency (RF) wireless doorbells with modern internet-of-things (IoT) connectivity using an ESP8266-01 Wi-Fi module, powered by a 2xAA battery setup. When a visitor presses the physical RF doorbell transmitter, it sends a wireless signal to its paired receiver unit. By tapping into the receiver circuit's trigger line using general purpose PCB wiring and a 10k Ohm pull-down resistor to stabilize the input logic state, the ESP8266 detects the activation event. Once triggered, the microcontroller executes code compiled via the Arduino IDE. Leveraging the WiFiManager library, the ESP8266 connects to your local wireless network without hardcoded credentials. It then utilizes the ESP8266 Webhooks library to securely transmit an HTTP request to an IFTTT (If This Then That) applet. IFTTT processes this incoming webhook and immediately triggers a push notification to your smartphone, ensuring you are alerted of visitors even when you are away from home or unable to hear the audible chime.

Why Build This

Provides a reliable, accessible alert system for individuals who are hard of hearing or working with headphones on.

Ensures elderly parents or family members never miss delivery drivers or visitors while inside the home.

Serves as an introductory smart home integration project bridging RF hardware with cloud-based webhook services.

Real-World Application

Useful for individuals who are hard of hearing, elderly parents who might miss visitors, or people working from home with headphones on who cannot hear a traditional doorbell.

Skills You'll Learn

Microcontroller programming

Wi-Fi provisioning via captive portal

Webhook integration

IoT cloud automation with IFTTT

Basic circuit interfacing

Safety Precautions

Since this project utilizes a wireless RF doorbell operating on low-voltage DC batteries rather than direct AC mains wiring, it avoids major electrical hazards. Always ensure correct polarity when connecting batteries to avoid damaging the ESP8266.

Technology Tags

ESP8266

WIFI

IFTTT

WEBHOOKS

RF DOORBELL

DEEP SLEEP

ARDUINO IDE

Frequently Asked Questions

Do I need to hardcode my Wi-Fi credentials into the Arduino code?

No, the project uses the WiFiManager library, which allows the ESP8266 to host a temporary configuration portal so you can connect it to your local Wi-Fi wirelessly.

How does the ESP8266 know when the doorbell button has been pressed?

The circuit connects the doorbell receiver's trigger output to the ESP8266 GPIO pin, stabilized by a 10k Ohm resistor, signaling the microcontroller whenever the button is activated.

Can I receive alerts on my smartphone when I am away from home?

Yes, because the ESP8266 sends an HTTP request through IFTTT via the internet, the push notification will reach your phone wherever you have data connectivity.

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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