Arc turn with LEGO Mindstorms EV3 robots

Now it's time to learn how to program turns on the robot!

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14 Jun 2019
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In this lesson we will learn about the first of 3 types of turns - arc turns!

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As is shown in the image above, the arc turn works when one motor on the robot spins faster than the other. In the example, motor B is spinning faster than motor C. Another way to express this is we put more power into motor B than into C. This allows the robot to make a smooth turn. If we want the robot to turn in the other direction, we simply have to put more power into C than into B.

Courses and lessons with this Tutorial

This Tutorial is used in the following courses and lessons

Robotics with LEGO - Level 1.0 - Adventure in Space

The first level of the Robotics with LEGO curriculum for students in fifth to twelfth grades.

Various constructions with robots are built. Learn how to control the motors so that the robot navigates around the Moon and Earth in various ways. Getting to know the first two sensors. The robot can feel its surroundings with the help of the Touch sensor and avoid obstacles.
The Ultrasonic distance sensor can help the robot avoid obstacles. Students work with concepts like loop, degrees and medium motor. Robots can now do two different actions at the same time - while solving missions on a field, the third motor clears detected obstacles.

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Lesson 2 - The far side of the Moon

Introduction

Level A1. Introduction. Robotics with LEGO

Introduction to robotics - The first level of the Robotics with LEGO curriculum for students in second, third or fourth grades. A journey in space, with robots. Various constructions with robots are built. Learn how to control the motors so that the robot navigates around the Sun, the Moon and Earth in various ways. Getting to know the first of the sensors. The robot can feel its surroundings with the help of the Touch sensor and avoid obstacles.