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Lesson 98-8: Walking Light with Push Button and LEDs with Arduino

In this lesson, we learn how to use LEDs and push buttons in these 10 LED projects. The wiring diagram is shown; the code is fully explained and demonstrated with multiple changes of settings for each project. We read the potentiometer's voltage and display the voltage by turning each LED on to represent the voltages. A simple traffic light project.

This code is part of a video lecture. This is project 8's code. This code allows you to control 5 LEDs using a push-button switch. With every push, the next LED will turn on, and the previous will turn off.