New LEGO MindStorms – Exploration Rover Model Analysis

In the new released LEGO MindStorms, its app contains multiple models. Some models come from LEGO Community. In today's post, let's build one model and analyze its structure. You could find this model from LEGO app shown as below. Model Structure This model is pretty big and heavy. Its body is widely stretched and symmetric. …

Continue reading New LEGO MindStorms – Exploration Rover Model Analysis

LEGO MindStorms EV3 – Use File Access Block to Store Data

In LEGO MindStorms EV3-G software, we could use File Access block to store text or number and read out them when necessary. However, what is the difference between File Access block and Varaible block? Are there any constraints fo it? In this post, I would like to explain a bit more about File Access block. …

Continue reading LEGO MindStorms EV3 – Use File Access Block to Store Data

Play LEGO MindStorms EV3 – Analyze Several WRO 2019 Junior Group Models

Following the previous posts, I will analyze several models used in WRO 2019 Junior Group competition. The game description, rules and scoring could be found at WRO website: https://wro-association.org/competition/previous-challenges Model 1 https://www.youtube.com/watch?v=-rdJAlipn6M?rel=0 This model has a clip-like attachment, which could open and close. This type of attachment was also popular in previous WRO competition, such …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2019 Junior Group Models

Play LEGO MindStorms EV3 – Analyze Several WRO 2018 Junior Group Models

Unlink WRO 2017 Junior Group competition, WRO 2018 Junior Group has versatile design solutions. In this post, I will introduce three representative models. Each of them is unique and has its own highlights. The game description, rules and scoring could be found at WRO website: https://wro-association.org/competition/previous-challenges Model 1 https://www.youtube.com/watch?v=Hiu7meFDHRM?rel=0 This model looks very compact. Its …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2018 Junior Group Models

Play LEGO MindStorms EV3 – Analyze Several WRO 2017 Junior Group Models

In my previous posts, I introduced models in the WRO elementary age group. In this post, I will analyze several models used in WRO 2017 Junior age group. Each model is unique and has its advantages and disadvantages, so keep objective, and let's go! The game description, rules and scoring could be found at WRO …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2017 Junior Group Models

LEGO MindStorms EV3 – Use Virtual Robotics Toolkit (VAT) to Practice Line Following

In the previous post, I briefly introduced the VAT software and summarized the steps to configure project settings and run programs. In this post, I will use one example to walk through this process. This is a sample project which allows users to practice line following program of LEGO EV3. So let's start now. Step-by-step …

Continue reading LEGO MindStorms EV3 – Use Virtual Robotics Toolkit (VAT) to Practice Line Following

First Experience of Virtual Robotics Toolkit (VAT)

Virtual Robotics Toolkit (VAT) was developed by Cogmation Robotics. It develops simulation software that enables users to control robotics systems. You might ask why you should use a virtual robotics environment when you have a real EV3 robot at hand for playing, but there are situations where your robot is placed somewhere else (for example, …

Continue reading First Experience of Virtual Robotics Toolkit (VAT)

Play LEGO MindStorms EV3 – Analyze Several WRO 2017 Elementary Group Models

In my previous posts, I analyzed some models used in WRO 2018, 2019 and 2020. In this post, I will analyze several models used in WRO 2017, elementary age group. The game description, rules and scoring could be found at WRO website: https://wro-association.org/competition/previous-challenges Model 1 https://www.youtube.com/watch?v=bP6VaBNL3wQ?rel=0 This model uses two touch sensors to control panel-like …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2017 Elementary Group Models

Play LEGO MindStorms EV3 – Analyze Several WRO 2018 Elementary Group Models

In my previous posts, I analyzed several models used in WRO 2020 and WRO 2019, elementary age groups. Today, I would like to introduce two models for WRO 2018 competition and compare their advantages and disadvantages. The game description, rules and scoring could be found at WRO website: https://wro-association.org/competition/previous-challenges Model 1 https://www.youtube.com/watch?v=UICkrGr7mHc?rel=0 This model has …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2018 Elementary Group Models

Play LEGO MindStorms EV3 – Analyze Several WRO 2019 Elementary Group Models

In the last post, I analyzed three models used for WRO 2020, Elementary age group competition. In this post, I will continue analyzing several models used for WRO 2019, Elementary groups. All those videos are from YouTube channels. Model 1 This model comes from author: Thầy Phong STEM. https://www.youtube.com/watch?v=9KOIvhXL488?rel=0 It uses two medium motors to …

Continue reading Play LEGO MindStorms EV3 – Analyze Several WRO 2019 Elementary Group Models