Arduino Based Countdown Timer | Without RTC | Arduino Project

In this project, we will build a simple countdown timer using Arduino without the need for a Real-Time Clock (RTC) module. The timer can be customized for different time durations and controlled through buttons or a keypad. The project showcases how you can utilize the internal timer of the Arduino to keep track of time, making it a cost-effective solution.

Code And Circuit Diagram: - https://github.com/PrateekSinghRajput...

Component List
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Arduino Nano Board
16x2 LCD Display
10k Resister
Push Button
Buzzer
5v 1 Channel relay Module
230v LED Blub
Zero PCB
Wire
USB Cable
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Project Buy Link
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Full Working Project :-
📱Number:- +918830584864
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Time Stamps
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