Hey guys! Want to learn how to detect obstacle and react to it? Well here you've got the perfect tutorial on how to do so! In this instructable, I will guide you through the simple steps needed to turn a buzzer and LED on when an obstacle is detected and turn it back off when it moves away. Step 1...By: sahana_sasikumar
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from Instructables: exploring https://ift.tt/2xs26mc
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