Shadow: DIY Timer with Buzzer & Sensor | Assistive Tech Project in Hindi

🔧 DIY Timer for Assistive Needs | Minimalist Build with Arduino Nano, OLED & Rotary Encoder
In this video, we build a compact DIY assistive timer using an Arduino Nano, distance sensor, buzzer, OLED screen, and rotary encoder. It’s designed for accessibility or simplified time tracking — perfect for elderly, kids, or even basic project workflows.
You’ll see how this project uses minimal code, a smart layout, and user-friendly input to offer a functional and customizable timer. From code testing to wiring, and final testing — this video has it all.

✨ Resources Mentioned:
AllCode From Drive : https://drive.google.com/drive/folder...
Full Source Code : https://drive.google.com/file/d/1jYXx...

🔗 Helpful Links:
Rotary Encoder :    • Rotary Encoder : The END of Potentiometer ...  
nrf24L01 Radio :    • Control Wirelessly with NRF24L01 | NRF24L0...  
Arduino :    • Arduino A Microcontroller is very essentia...  
O-Led Display :    • OLED Displays : 128x32 Pixels are Enough w...  
Touch Pad :    • Touch Pad Module | TTP223 all Setting | Ca...  

🎬 Chapters:
00.0 Intro
0.20 Minimal Code Test
1.04 Timelapse of Building
2.47 Components & Why They’re Used (Distance Module, Buzzer, Arduino Nano, OLED, Rotary Encoder, Battery)
4.15 Testing the Project
6.47 Outro

⚡️ Whether you're a beginner in electronics or looking for your next DIY challenge, this assistive timer is a great mini-project with practical use cases.

🧠 Perfect for: Electronics hobbyists, embedded developers, and students who want to get started with microcontrollers.

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