Lesson 26: Smart Car Part 4 : Avoiding Obstacle Using Ultrasonic Sensor | SunFounder Robojax

In this lesson we use Ultrasonic Sensor in our Smart Car project. This is lesson 4 of Smart car where we measure the distance and if distance is greater than 25cm, the car moves forward, if between 2 to 10cm, it goes backwards and less than 25 it will stop. There was two errors in code which explained, wiring and code fully explained and at the end the project is demonstrated.

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