Tag Archive: fll

Sep 14

FLL Robot Wheels – Evaluating the Compatibility of New Wheels with Sirius

Sirius is a very popular FLL robot design that many beginners choose to start off with. It has a lot of great features and qualities that make it unique and a great starting point for an FLL. However, one flaw in Sirius’ design is that its tall motorcycle wheels are just a tad too short, …

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Sep 07

The Best Wheels for Your FLL Robot – Two New Tests You Can Try

Wheel choice is a crucial part of an FLL robot design. This week, I’m re-opening the discussion and introducing two new tests you can try that will help you determine the relative traction of different types of wheels, and ultimately allow you to decide what kind of wheels you should use with your FLL robot. …

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Aug 31

FIRST LEGO League (FLL) – the Unofficial Introductory Guide

With the FLL 2017 Hydrodynamics challenge just announced, I figured that it would be a great idea to make an introductory tutorial for the FIRST LEGO League competition, commonly known as FLL. This FLL tutorial is intended for those who are totally new to the competition. I will explain what the competition is, who can …

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Aug 03

Why I Have So Many EV3 Programming Blocks – Will they Improve your FLL Robot?

Whenever I publish an EV3 programming tutorial, some observant viewers notice that my EV3 programming software has many additional sensor blocks, aside from the standard EV3 gyro sensor, color sensor, touch sensor, ultrasonic sensor, infrared sensor, etc. So then, the questions I get asked often are, what version of the EV3 programming environment are you …

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Aug 02

I’m Back – Weekly Tutorials Resume Tomorrow!!!

Hey everyone! Builderdude35 is officially back with some new EV3 robotics tutorials starting this week! In celebration of 2017 FLL Hydro Dynamics, which will be announced later this month, most of my tutorials will focus on FLL robot designs, FLL robot programming, etc. Stay tuned for videos on proportional line following programs, PID line followers, …

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Jul 24

VRT Update 2017 – Awesome New Features!

The 2017 version of the VRT is now out, and it includes some great new features, including the 2016 FLL mat and 2017 WRO challenges! The Virtual Robotics Toolkit (VRT) is a robotics simulation software made by Cogmation robotics, and allows you to prototype an EV3/NXT creation without the need for a physical robot, offering …

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Oct 06

PID Line Follower for EV3 – The Ultimate Line Follower!

  This video will teach you everything you need to know in order to program a PID line follower for your EV3 robot. In the video, I explain how to measure your target Color Sensor light value; I explain the three aspects of PID line following (Proportional, Integral, Derivative) and the math behind them; I …

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Sep 29

EV3 vs NXT in FLL – Is the EV3 Really Superior?

Does an EV3 really have an advantage over an NXT in an FLL competition? Today, I discuss using an EV3 or NXT brick to power your FLL robot. I discuss what advantages an EV3 may have over an NXT, and give suggestions on how an NXT team can compete against EV3 teams in an FLL …

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Sep 15

How to Make your FLL Robot Drive Straight – EV3 Motor Encoders

Today, I will teach you how you can use the EV3 motor’s inbuilt encoders to make your FLL robot drive straight. The program we will make today uses the difference between the encoder values of the EV3 motors to keep an FLL robot tracking in a straight line. My Patreon supporter(s) for more than $5 …

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Sep 08

Gyro Following – More Accurately Control your FLL Robot

The EV3 Gyro is an extremely useful sensor if you are building an FLL robot. Today, I will teach you how to make a program called “Gyro Following,” in which you can use the EV3 gyro to set the desired speed and angle you want your FLL robot to travel in, and the program will …

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