Arduino-Controlled Analog Clock and Timer

A fully analog digital clock and timer that counts seconds, minutes, and hours using a 555 timer, CD4026 counters, logic gates, and an Arduino for control.

Dec 18, 2025

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2 respects

Apache-2.0

Devices & Components

1

Breadboard - 840 contacts

1

Arduino Uno Rev3

6

7 segment Display (common cathode )

1

jumpers

1

variable resister

1

555 Timers

3

and gate

6

4026B Decade Counter

1

Potentiometer, 10k Ohms

5

Diode

1

22 gauge solid core wire

1

Capacitor 4.7 µF

Software & Tools

Arduino IDE

Project description

Code

Coe for timer

cpp

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shmuel_rubin

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