Have you ever needed to make an arc turn? Do you know what an arc turn is? Let's find out!
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- #2024
- 01 Jul 2022
An arc turn is a turn where both wheels are going in the same direction, but one is going faster.
To program the robot to make an arc turn, we use the third block of the Movement palette. This is the block for movement with direction control.
The block has a movement length setting that works the same way as in the first move block. Here's how it affects the length of the turn:
Of course, there is also a setting for the direction, which, unlike the first block, is much more precise.
The direction can be set from -100 to 100, at these values the robot turns left and right in place. For all other values, the robot turns in an arc, and the higher the number, the sharper the turn. Here's how the direction setting affects:
Courses and lessons with this Tutorial
This Tutorial is used in the following courses and lessons
Level A1 - Space Adventure - Robotics with LEGO SPIKE Prime
That is the first level of the LEGO robotics curriculum for second, third, and fourth-grade students.
A "space adventure" but with robots. Different robot structures are built in this level. The motors are controlled so that the robots perform precise movements around the "earth", "moon" and "sun". We overcome various obstacles after bumping into them thanks to the force sensor. We learn interesting facts about the solar system and space vehicles.
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- 30:30
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Lesson 3 - Satellite
Introduction
In today's lesson we will make a small robot that will show us how to turn in a circle, arc turn. The topic of the lesson is satellites and we will talk about their applications in our everyday life.
Satellite simply means companion, something that moves along with something else. A natural satellite of the planet Earth is the Moon, and artificial satellites are small spacecraft that are launched into orbit around the earth with the help of rockets.
An orbit is the imaginary path a satellite follows as it goes around the earth. Today we will program our robots to move in circular orbits, but there are also orbits that look like an egg or elliptical orbits.
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