How to Create a Countdown Timer with Arduino
A timer is a type of clock that is usually used to measure time intervals. There are two types of timers: one counts up from zero to measure elapsed time, known as a stopwatch, while the second type counts down from a specified duration provided by the user, commonly referred to as a countdown timer.
In this tutorial, we will show you how to create a countdown timer using the Arduino development board. In this article, we do not use any