Tag Archive: tutorial

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 24

Programming Line Follower Loop Exits with the HiTechnic Color Sensor

The HiTechnic Color Sensor V2 is a staple of WRO robot design. But, if you were to make a line follower that uses the HT Color sensor, how would you get your line follower to stop and move on to the next part of its program? Program a line follower loop exit! A loop exit …

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Aug 17

How to Tell an EV3 Line Follower to Stop – Programming Loop Exits in EV3-G

So you’ve made an awesome EV3 line follower program that can follow the line smoothly and reliably, but there’s still one problem… how do you get your robot to stop line following when you want it to? In today’s EV3 programming tutorial, I will teach you how to use the EV3 color sensor to program …

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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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Mar 16

VRT Cleanup Challenge Walkthrough

In my final video in my series on the Virtual Robotics Toolkit, I will be giving a brief walkthrough on how I solved the Cleanup challenge in 5.6 seconds! 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 …

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Mar 02

Virtual vs. Physical Robots Part 1 – Programming

This week, I will compare the process of programming a virtual robot in the Virtual Robotics Toolkit to the process of programming a physical EV3 robot. I will also explain the differences between programming physical and virtual robots. (Spoiler alert: they’re very similar). The Virtual Robotics Toolkit (VRT) is a robotics simulation software made by …

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Feb 23

How to Program a Robot in the Virtual Robotics Toolkit

This week’s tutorial will teach you how to write an EV3-G program and download it to your robot in the Virtual Robotics Toolkit, as well as demonstrate line following, Port View and Real Time Data. The Virtual Robotics Toolkit (VRT) is a robotics simulation software made by Cogmation robotics, and allows you to prototype an …

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