On demand of many people in this blog, we are going to make a traffic signal using IR sensor. If you are interested in traffic signal using ultrasonic sensor click the link below,
or if you are interested in four-way traffic signal using Arduino, click the link below,
Let's get started.
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: WATCH THE VIDEO AND FOLLOW THE STEPS
for code and circuit, please watch the video.