Knowledge Base

Get Ultrasonic getDistanceMode

output-onlinepngtools__231_.png  This block works for EV3 Robot!

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The getDistanceMode block samples the Ultrasonic sensor's readings. It can be used as a value or as a condition in a loop, to act according to the robot's distance from an object.

In this example code, the robot will stop when it is less than 20 cm away from the wall:

As a bonus, we also added a Print block within the loop to print the current distance to the console. 

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