How to make Countdown Timer using Arduino and 16x2 LCD Display

How to make Countdown Timer Relay | Without RTC Timer using Arduino and 16x2 LCD Display

Code, Schematics and Proteus Simulation:- https://github.com/embeddedlab786/Cou...

Components Details () {
Solderless Breadboard:- https://marobotic.com/product/mb102-s...
Arduino Uno:- https://marobotic.com/product/arduino...
16×2 LCD Display:- https://marobotic.com/product/16x2-lc...
Push Button x 4:- https://marobotic.com/product/momenta...
100R Resistor:- https://marobotic.com/product/5-pc-10...
4.7k Resistor:- https://marobotic.com/product/4-7k-re...
1k Resistor:- https://marobotic.com/product/1k-resi...
Buzzer:- https://marobotic.com/product/buzzer-...
1-Channel 5v Relay Module:- https://marobotic.com/product/1-chann...
Male to Male Jumper Wires:- https://marobotic.com/product/male-to...
Male to Female jumper Wires:- https://marobotic.com/product/male-to...
Bulb Holder:- https://marobotic.com/product/bulb-ho...
220v LED Bulb:- https://marobotic.com/product/220v-le...
5v 2Amp Power Adapter:- https://marobotic.com/product/5v-2amp...
}

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