Tag Archives: EV3-G

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Precision Movement of LEGO MINDSTORMS Motors

This tutorial shows how to get greater accuracy from regular LEGO MINDSTORMS Motors. It is possible to get the Ev3 motors to move with a precision of down to a degree or less. This is how it works: the green blocks have a brake function, enabled by default. It pulls the motor toward the last […]

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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   213 total views, no 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 168 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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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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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. 439 total views, 1 views today    Send article as PDF   

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Calculating Wheel Movement for Accurate Turns

Overview: Two Types of Turns Calculating Rotations for Pivot Turns Equation for Calculating Pivot Turns Calculating Rotations for Point Turns Equation for Calculating Point Turns Relationships Between the Two Types of Turns Parting Thoughts Two Types of Turns: Pivot Turn – robot turns about a central point located at one of the wheels One wheel […]

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Standard LEGO EV3 Sound Files

Here is a list of the standard Lego EV3 Sounds in .RSF Extension Format. They are made available to your EV3-G programs by Downloading your Code, which also causes the selected .RSF File to be Downloaded to the EV3 Brick.   Animals      Colors Communication Expressions Information Cat purr Dog bark 1 Dog bark 2 […]

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EV3-G Compare Block

Compare allows you to compare two numeric values with Equal To, Not Equal To, Greater Than, Greater Than or Equal To, Less Than, or Less Than or Equal To. Using the Math programming block and a Switch, you can set it up to have different reactions depending on the result. There is an example below. […]

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