How to code a NEOPixel Timer with Arduino

This video tutorial introduces programming everyday electronics using Arduino, focusing on a turn timer project. It explains the general layout of an Arduino program, including setup and loop functions, constants, and variables. The tutorial describes the turn timer's functionality, using LEDs to represent time, and provides a code walkthrough, highlighting key functions and variables. The video aims to help viewers understand how to organize and write Arduino code, encouraging them to explore and build their own projects.

What is the purpose of the interrupt service routine (ISR) in this project?

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How does the select time function work in setting the timer?

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What happens in the loop function when the timer is running?

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Describe the process of changing the LED colors during the countdown.

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