Tech Tips: Turn a QR Code into a Smart Doorbell – Your Relatives Will Be Amazed!

Balasahana Suresh
Smart home gadgets can be expensive, but what if you could create a smart doorbell using just a QR code and a smartphone? This simple tech trick is budget-friendly, surprisingly effective, and guaranteed to impress visitors—especially tech-curious relatives.

Let’s see how this clever hack works and why it’s gaining popularity.

🔔 What Is a QR Code Smart Doorbell?

Instead of installing a traditional doorbell, you place a QR code at your door. When a visitor scans it using their phone, it instantly performs an action—such as:

· Sending you a whatsapp message

· Calling your phone

· Opening a google Form or web page

· Triggering a smart home notification

It’s simple automation with zero wiring.

🧠 Why This Hack Is So Clever

· No electricity required

· No drilling or installation

· Works on any smartphone

· Perfect for rented homes or apartments

All it needs is internet access and a printed QR code.

🛠️ How to Set It Up (Step-by-Step)

Step 1: Decide What Happens When the QR Code Is Scanned

Choose one action:

· Open a whatsapp chat saying “I’m at your door”

· Call your phone directly

· Open a google Form where visitors enter their name

· Send an email alert

Step 2: Create the QR Code

Use any free QR code generator and paste:

· Your whatsapp chat link

· phone number (tel: link)

· google Form URL

Download the QR code image.

Step 3: Print & Display

· Print the QR code

· Laminate it or cover it with transparent tape

· Place it near your door with a label like:
“Scan to Ring the Bell”

📱 Make It Even Smarter (Advanced Tricks)

· Auto-reply message:
“Thanks for visiting! I’ll be there in a moment.”

· Google Sheets log:

Record visitor names and time automatically.

· Smartwatch alert:
Get notified instantly when someone scans the code.

· Smart home integration:
Trigger lights or sounds using automation tools.

🎉 Why Your Relatives Will Be Amazed

· It looks futuristic and creative

· No visible wiring or devices

· Works instantly

· Shows how everyday tech can solve real problems

For elders, it feels magical. For kids, it feels like science fiction.

⚠️ Things to Keep in Mind

· Requires internet on the visitor’s phone

· Place the QR code at eye level

· Add simple instructions for non-tech users

✅ Final Thoughts

This QR code doorbell is proof that smart living doesn’t have to be expensive. With just a printed code and a bit of creativity, you can upgrade your home in minutes.

Simple. Smart. Impressive.

 

Disclaimer:

The views and opinions expressed in this article are those of the author and do not necessarily reflect the official policy or position of any agency, organization, employer, or company. All information provided is for general informational purposes only. While every effort has been made to ensure accuracy, we make no representations or warranties of any kind, express or implied, about the completeness, reliability, or suitability of the information contained herein. Readers are advised to verify facts and seek professional advice where necessary. Any reliance placed on such information is strictly at the reader’s own risk.

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