Category LEGO MINDSTORMS

The power of State Machines. Gapped and Crossed Line Following with LEGO Mindstorms EV3

There comes a time when you need to program the robot to "follow a line, but if another sensor detects something you would like to stop, do some work, and then continue following the line". This is applicable to competition robots as it is applicable to real-life robots.

There comes the State Machine Pattern. An advanced and very powerful concept that allows you to easily implement complex robot behaviours with a simple, well-organized, extensible, bug-free program where the robot could be in 1,2, 10 or 100 states and you will still be able to manage the complexity of the world around the robot.

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92:11
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Новият шпионин - LEGO EV3 хуманоид с вериги

Новият шпионин е робот с вериги, който използва един среден мотор за да задвижи три неща едновременно. Това се постига чрез система от зъбни предавки. Едновременно този робот движи двете си ръце нагоре-надолу, но в противоположни посоки и главата си наляво-надясно.

Роботът се движи с помощта на две вериги, закрепени към два големи мотора.

#442
16 Mar 2018

7:45

Gapped & Crossed Line Following. Part 2. Strategy

Looking at the field we must first think of a strategy of solving this line following problem. There are rules that the robot must follow and these rules should be programmed in the robot.

#205
13 Jan 2016

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#1210
18 Apr 2019

За преподавателя: Решения на задачите за самолетоносача

Целта на самолетоносача е да изстреля хартиено самолетче във въздуха.

#1486
16 Nov 2019

Food Production. Mission 05 from FIRST LEGO League 2018-2019 Into Orbit challenge

Background

Gardening is easy, right? You just need a truckload of rich soil, some rain, sun, fertilizer, helpful bugs, CO₂ and a rake but what if you were orbiting Neptune, in a room the size of a minivan?

Mission

Move the push bar the right distance at the right speed, to get into the green scoring range.

Scores

Spin the food growth chamber’s colours so the grey weight is DROPPED after green, but before tan, by moving the push bar: 16
Possible scores: 0, 16

Scoring Requirements

The result must be visible at the end of the match.
Spin the food growth chamber’s colors must be spun by moving the push bar. > Only allowed method. Must be oberserved by the referee.

(mission descriptions source: https://www.first-lego-league.org/)

#545
01 Jan 2016

Воли - LEGO Mindstorms EV3 Робот измерващ обем

Воли е вдъхновен от робота Шпионски мобил. Този малък робот е построен да измерва разстоянията около себе си и да изчислява обема на стаята, в която се намира.

#761
10 May 2019

1:01

How does the Rider Motorcycle robot with Cart built with LEGO Mindstorms EV3 work?

This video tutorial shows how the LEGO Mindstorms EV3 Rider Robot Motorcycle with Cart robot works. You can ride a friend with you.

#1367
19 Jul 2019

Image for How to run NXT Hardware with EV3-G Software

8:36

How to run NXT Hardware with EV3-G Software

An interesting question that has arise is whether we can use the LEGO Mindstorms EV3-G Software to program the NXT brick. In this episode we will go through the blocks from the EV3-G Software and see which works with the NXT Hardware and which does not.

#45
11 Nov 2013