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Gazon with a single color sensor, LEGO Education SPIKE Prime competition robot

This is a version of the Gazon robot that has a single color sensor and is useful for cases where you still have not purchased a second color sensor, but need to start working on the FLL competition season missions

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FLLCasts Team Six months
FLLCasts School Student One Year
FLLCasts Personal B One Year
FLLCasts School

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#1503
10 Aug 2022

За да го построите ще имате нужда от

LEGO Education SPIKE Prime 45678

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Курсове и занятия включващи този Материал

Този Материал е използван в следните курсове и занятия.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Two concepts are important for robotics competitions - consistently navigate and position the robot exactly where we need it to be on the field, and builing attachments that would accomplish a mission once we have reached it. This course is focused on the first part. The second part is the whole FLLCasts platform, but start at FIRST LEGO League with LEGO Education SPIKE Prime. "Challenge" competition for 9-16 years old

The goal of this course is the help you learn to program LEGO Education SPIKE Prime robots to behave consistently and reliably during competitions. As a language we use LEGO Education SPIKE App Word Blocks which is based on Scratch. We look at a lot of concepts that could be used for FIRST LEGO League and World Robot Olympiad competitions - eg how to follow a line fast, slow, in a smooth way, with 5 states. Also how to align to lines, how to do double alignment, how to keep a straight line with motion sensor.

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Color Sensor - Follow a line with a 2 states algorithm

In this video tutorial we demonstrate the classic algorithm for following a line with robots. It is widely used in FIRST LEGO League competition and could be applied to LEGO Education SPIKE Prime and to other robots also. The algorithm follows a line by moving to the left and to the right and trying to stay at the edge of a black line.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
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Color Sensor - Follow a line with a multiple states algorithm

On the topic of following lines with a robot there is a way to make the robot follow the line a little more precisely. This method is called "Multi-states" program. Or at least we call it like this. In this tutorial you will see how we program 5 state for the robot line following program. This could be particularly important with FIRST LEGO League competitions where we must build consistent and reliable robots.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
19

Color Sensor - Advanced algorithm for smooth line follow

LEGO Education SPIKE Prime Programming for competition with Word Blocks

40
188:21
19

Forward align to a line with two sensors

The reason why you would want to watch this tutorial is because it demonstrates one of the most reliable ways to know where you are on the field and to accomplish missions successfully and this is aligning to a line. In the tutorial you will also see how a parallel program is developed and who parallel programs could be used in a meaningful way.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
19

Backward align to a line with two sensors

Instead of aligning forward as in the previous tutorial we felt there is a need to demonstrate how we could align backward when moving with the robot. This is not a rare case. The attachments of the robot are generally at the front of the robot and especially during FIRST LEGO League competitions the robot must move backward very often. It is helpful to have in your toolbox the ability to align backward with the robot.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
19

Follow and align

In this video tutorial we show how you can build robots that position on the field consistently and reliably by following and line and then aligning to a line. We also demonstrate the concept of "double align" which is quite powerful and even if there were some mistakes they will be handled.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
19

Reset motors before start

Every time we start the robot we want to start from the same place, not only in terms of where we are on the field but also in terms of how are the motors rotate. The motors have an internal sensor for detecting the rotation. Because of this they know how rotated they are. It is a very good practice to always reset the motors before we start a competition run especially at FIRST LEGO League or World Robot Olympiad competitions

LEGO Education SPIKE Prime Programming for competition with Word Blocks

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188:21
19

Follow a line and stop at an intersection

In this video tutorial we demonstrate a really important concept for FIRST LEGO League competitions - you position the robot on the field with depending on timers and rotations. The issue with moving the robot for 10 seconds and then stopping is that every time it is in a different location. Same for rotations. The wheels will slip, the battery will change, something will happen and the robot will not be in the same place every time. This is not consistent and reliable.

LEGO Education SPIKE Prime Programming for competition with Word Blocks

40
188:21
19

Follow a line and stop at a second intersection

In this video tutorial we take a next step in programming reliable and consistent robots and this is to learn how to stop at a second intersection. We need this because most of the time when we want to reach a mission model on a robotics competition field, the model will be located away from us and we must use all kind of technique to reach it. In this tutorial - we stop at a second intersection.

Gazon with a single color sensor, LEGO Education SPIKE Prime competition robot

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Hey, this is only a preview of these building instuctions.

Hey, this is only a preview of these building instuctions.

За да го построите ще имате нужда от

Bill of materials (Parts list)

Modules Navigation

Prepare for FIRST LEGO League 2024/2025 SUBMERGED Robot Game. The complete guide

Курсове и занятия включващи този Материал

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Color Sensor - Follow a line with a 2 states algorithm

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Color Sensor - Follow a line with a multiple states algorithm

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Color Sensor - Advanced algorithm for smooth line follow

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Forward align to a line with two sensors

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Backward align to a line with two sensors

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Follow and align

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Reset motors before start

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Follow a line and stop at an intersection

LEGO Education SPIKE Prime Programming for competition with Word Blocks

Follow a line and stop at a second intersection