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How To Make Arduino Adjustable Countdown Timer with 7Segment Display | without RTC Countdown Timer
Components
Components Details () {
Solderless Breadboard,
Arduino Uno,
4 Digit Multiplexing 7Segment Display,
Push Button x 3,
Buzzer,
1-Channel 5v Relay Module,
Male to Male Jumper Wires,
Male to Female jumper Wires,
Bulb Holder,
220v LED Bulb,
5v 2Amp Power Adapter
}
Solderless Breadboard,
Arduino Uno,
4 Digit Multiplexing 7Segment Display,
Push Button x 3,
Buzzer,
1-Channel 5v Relay Module,
Male to Male Jumper Wires,
Male to Female jumper Wires,
Bulb Holder,
220v LED Bulb,
5v 2Amp Power Adapter
}
_3u05Tpwasz.png?auto=compress%2Cformat&w=40&h=40&fit=fillmax&bg=fff&dpr=2)
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