Digital Countdown Timer using 7 Segment | Proteus Simulation Step by Step | 7 Segment + Buzzer 🔥
In this video, I have designed a Countdown Timer Circuit in Proteus using 7-segment display and buzzer 🔔.
This project is perfect for electronics and electrical engineering students, especially beginners who want to understand digital circuits.
💡 Components Used:
IC 7490 (Counter)
IC 7447 (7 Segment Driver)
7 Segment Display
Logic Gates (AND, NOT)
Buzzer
Battery
⚙️ What you will learn:
How a countdown timer works
Interfacing 7-segment display
Using counters in digital electronics
Proteus simulation step by step
🎯 This project is useful for:
University assignments
Final year projects
Basic digital electronics learning
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#digitalelectronics #electronicsproject #engineering #proteus