Da Buzzer
Back in 2020, the world slowed down—but my mind didn’t. As the pandemic hit full force and we all adjusted to working from home, I found myself stuck with a small problem: I didn’t have a doorbell.
I wasn’t about to splurge on a fancy Nest system—Wi-Fi issues, battery charging, and the cost didn’t make sense. I needed something simple. Something contactless. Something that just worked. So I decided to build it myself.
From Idea to App
That’s how Da Buzzer was born—a contactless, wireless, QR-code-powered doorbell system.
Before this, I barely knew app development. I had dabbled in a bit of React but didn’t really know how to make a full product. But necessity is a great motivator. I dove in headfirst—learning React, Firebase, Google Cloud, API management—you name it.
My days started at 4 AM working on Da Buzzer. Then I’d log into my day job at 9, finish by evening, and start coding again after my kid went to bed. Nights blurred into mornings. I spent hours on Stack Overflow, debugging, reading, helping others. Bit by bit, the app started to come to life.
What Is Da Buzzer?
At its core, Da Buzzer is a QR code doorbell. One scan triggers a notification to multiple devices. That’s it. No wires, no batteries, no chargers, no Wi-Fi required.
It was perfect during the pandemic. But over time, I realized it could be useful far beyond that. In areas with unreliable electricity or no internet—places dealing with load shedding or unstable infrastructure—Da Buzzer becomes more than a workaround. It becomes the only viable option.
Just recently I was reading about UK’s struggle with electric vehicle infrastructure. Now imagine trying to support always-online smart devices in those same fragile ecosystems. A product like Da Buzzer just works because it relies on something everyone already has: a smartphone.
Four Years, Countless Lessons
Over the years, Da Buzzer became more than just a side project. It felt like a startup—minus the investors. I wore all the hats: product designer, engineer, marketer, tech support. I put in the hours, the energy, the money, and yes, the occasional curse word.
Fast forward to today—building the same kind of features that took me weeks now takes a few hours thanks to AI. I recently added multilingual support to the Da Buzzer Android app in less than a day using modern AI tools. The future really is here.
Checkout Da Buzzer?
If you’re looking for a smart, resilient, and low-cost doorbell solution—for your home, office, or even temporary setups—Da Buzzer could be it. No electricity. No Wi-Fi. No batteries. Just a QR code and your phone.
And if you’re interested in partnering or investing in Da Buzzer, I’d love to talk.
Reach out over LinkedIn
Rahul Rahate