Your Home That Knows You’re There: SONOFF Zigbee Motion Sensor SNZB-03P
A fun, real-world look at how a tiny Zigbee motion sensor can make your home feel alive, secure, and truly smart.
6 min read
Read
TechByDesi
I make homes think.
DIY Home Automation • Smart Living • ESP32 & Zigbee Enthusiast
10+
DIY Projects
3+
Patents
100+
Automations
How It Works
See automation in action
Watch how a simple motion sensor creates a seamless smart home experience
Motion
Sensor detects presence
Brain
Hub processes signal
Action
Light turns on
28°C → 24°C
AC
Auto Blinds
Comfort Level
Climate Control
Your home reacts before you feel uncomfortable
Smart sensors monitor temperature, humidity, and sunlight in real-time. When conditions change, your home automatically adjusts — closing blinds, turning on AC, and maintaining perfect comfort.
Light Sensing
Temp Control
Auto Blinds
Climate Sync
About
Hi, I'm Sarthak 👋
A curious mind who believes every home can be smarter. I break things, fix things, and build things — then share it all with you.
The Beginning
Curiosity Sparked
Took apart my first remote control. Never looked back.
Discovery
Met ESP32
Discovered microcontrollers and the magic of IoT.
First Build
DIY Smart Switch
Built my first WiFi-controlled switch. Mind = Blown.
Sharing
TechByDesi
Started sharing builds online. Found my tribe.
Teaching
Making it Simple
Helping beginners understand smart home tech.
Now
Building the Future
Creating, experimenting, and never stopping.
"The best smart home is one that disappears — it just works, and you forget it's there."
— My automation philosophy
Videos
Latest from YouTube
Watch my latest tutorials, DIY builds, and smart home projects on YouTube
Loading shorts...
Blog
View all postsLearn & Build
Guides, tutorials, and thoughts on making homes smarter
SONOFF Zigbee Bridge Pro vs Ultra: Smart Zigbee Hubs for Your Home
Compare Sonoff Zigbee Bridge Pro vs Zigbee Bridge Ultra in this 2025 smart home guide. Learn key features, technical differences, Matter support, device limits, and which Zigbee hub is best for homeowners, system integrators, and DIY smart home setups in India
5–6 min read
Read
Smart Home Trends in India 2026 | Home Automation India | TechByDesi
In 2025, home automation in India is transforming everyday homes into smarter, safer, and more energy-efficient spaces. With voice control, mobile apps, and intelligent automation, smart homes solve real Indian challenges like power wastage, security concerns, and busy lifestyles. From homeowners to builders and tech enthusiasts, smart living is now practical, affordable, and future-ready.
10 min read
Read
Stay Updated
Get new project ideas and tutorials delivered to your inbox. No spam, just good stuff.
Let's Connect
Get In Touch Future-Ready
Ready to automate your home? Let's build something amazing together. Whether it's ESP32, Zigbee, or full smart home solutions—I'm here to help.
Send a Message
I'll get back to you soon
Email Me
bewithsarthakgarg@gmail.com
Response Time
Usually within 24 hours
Quick Stats
24h
Avg Response
100%
Open Source