Move Straight with Gyroscope in Any Direction

Here is the New and Improved “Move Straight” with Gyroscope in Any Direction Code. Download Code:¬†MoveStraight.ev3s   149 total views, 1 views today    Send article as PDF   

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Turn Any Angle with Gyroscope

Here is the New and Improved “Turn Any Angle” with Gyroscope Code. Download Code:¬†TurnAnyAngle.ev3s 140 total views, no views today    Send article as PDF   

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Calibrating the EV3 Color Sensor

One of the things you learn quickly with using light as an input source is that it varies from place to place. The light in your classroom or basement can be very different from the light where the robotics event is being held. The idea behind calibration is to adjust your sensor to the conditions […]

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Locate Lines on Game Mat

Before the robot can follow a line, it must first find the line. Although this process is fairly straightforward, some patterns used on the competition mats make it a bit more complicated. It is now quite common for mats to have patterns (separate from the lines) with dark areas that look black (or are black) […]

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Squaring the FLL Robot to a Line on the Game Mat

Besides the table walls, most game fields will have some type of printing or markings on the field that your robot can use for alignment. You can align with those markings with Light Sensors. The trick is that you need to use a second EV3 Light Sensor for alignment. Only one is included in the […]

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Gyroscope Calibration Alarm

Guidelines for using the gyro: 1. Do not change between Angle, Rate, and Angle and Rate. This forces a hard reset of the sensor that takes a few seconds to complete. During the hard reset the robot resets the Rate zero. Moving the robot during this reset will result in the Rate not reading zero […]

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Smart Deceleration Controlled by Degrees of Motor Rotations

This EV3-G Code demonstrates the ultimate deceleration MyBlock for EV3 robots. A deceleration function is of vital importance for successful FIRST LEGO League (FLL) program, as it limits wheel spin and improves robot stability. Download EV3-G Code:¬†BiDirectionalAccelerate.ev3p The program shown in below is the ultimate in flexibility in a Deceleration MyBlock Program, as it auto-detects […]

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2x Sensor Proportional Line Follower

This EV3 programming tutorial will teach you how to make a 2x Sensor Proportional Line Follower in EV3-G. This is a combination of two different line followers that I have previously made. This line follower preforms well in FIRST Lego League (FLL) Competition. 142 total views, no views today    Send article as PDF   

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Simple Line Following Using MyBlocks

Full Simple Line Following Code: Code to Measure the Reflected Light Levels: 108 total views, no views today    Send article as PDF   

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Convert Distance to Degrees of Wheel Rotation

This tool and EV3-G MyBlock Code can be used to easily convert your wheel/tire size information into useful data to be used by First Lego League (FLL) Robots. 385 total views, no views today    Send article as PDF   

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