Friday, February 3, 2023

A Small String Of Decorative Flashing Lights Using Arduino

By S.C. Dwivedi

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During festivals like Diwali, Christmas, and New Year strings of flashing lights are sometimes used to decorate homes and other premises. Arduino based flashing lights can be made with the help of just a few components for such occasions. The author’s circuit wired on a breadboard for this purpose is shown in Fig. 1.

The circuit diagram of Arduino based flashing light is shown in Fig. 2. The circuit comprises an Arduino Uno board (BOARD1), nine LEDs (LED1 through LED9) to demonstrate the concept, and a few discrete components only.

Fig. 1: Author’s prototype on breadboard
Fig. 1: Author’s prototype on breadboard


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You can also watch the video of the tutorial of this DIY project at Link.

Download PCB and Component Layout PDFs: click here

Download Source Code

This project will be published in a few weeks. If you want to access it now, refer to Electronics For You’s November 2022 Issue–print or ezine edition.

S.C. Dwivedi is an electronics enthusiast and circuit designer at EFY



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