The Complete Beginners Guide to Arduino - 2021 - Interactive Traffic Lights

This tutorial explains how to make a traffic light simulation interactive by adding a button. It covers wiring the button to an Arduino Nano, modifying the code to include a button press detection, and using a while loop to control the traffic light sequence. The tutorial ensures that the traffic light system allows vehicles to move and pedestrians to cross safely, with a delay to prevent constant button pressing.

How does the code handle the state of the button during the main loop?

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What is the initial state of the traffic lights before the button is pressed?

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What happens if the button is pressed repeatedly before the 10-second delay is over?

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Summarize how the traffic light sequence is changed to be interactive.

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