Ev3 python line follower. Written_Directions_for_EV3_Line_Follow (1).

Ev3 python line follower Lesson Objectives ì Evaluate and compare different line followers ì Prerequisites: Complete all Line Follower lessons on EV3Lessons. - anishenduri/SIMPLE-LINE-FOLLOWER By turning the motor I can change the amount the robot wobbles while following the line. 0 adjust by ±0. Programing the Lego Mindstorm EV3 using ev3dev and Python can be great fun, but the performance can be very much poorer than LeJOS or EV3-G. Line Following Introduction Make your LEGO® MINDSTORMS® Education EV3 robot follow a line using the Color Sensor’s Reflected Light Intensity Mode. Ev3 Hello, I have recently switched to using PyBricks with Spike Prime (previously EV3 with EV3DEV) and have recreated the exact EV3 line following code in PyBricks. I’ll be demonstrating the algorithm using … What would proportional control do? On line à go straight On white à turn left Moving across line à turn right On white à turn left Getting further from line à turn even more! LineFollower Ev3 - Free download as PDF File (. Race of Robots 2021 Micropython. motor. Collaborative repository for developing functionalities for the Puzzlebot robot, including computer vision, manual control This project is focused on implementing a Q-learning based line-following robot using the LEGO Mindstorms EV3 platform. 1 is a mobile robot which is able to follow a visible line on a surface Feb 16, 2019 · This article is a continuation of my previous article on How to Program a Line Following Robot and will cover PID line follower tuning. Just learn the proportional line follower. com LEGO MindStorms EV3 – PID Line Follower Code by Using MicroPython 2. This document is a description of how to create a PID Controller for use with Lego Mindstorms Robots using the NXT-G programming language. txt) or read online for free. Sep 7, 2022 · A Line Following Robot built with LEGO EV3 and Q learning. The Blocks tab is where you code using block-based programming. LEGO MINDSTORMS EV3, Dexter Industries Brick Pi, Mindsensors PiStorms, or FatcatLab EVB with ev3dev installed. This works by adjusting the turn rate based on how much the measured reflection deviates from the threshold value. Lego-Ev3-Mindstorms 机器人,通过pid算法进行巡线。. Tacho Motor (Motor) ¶ class ev3dev2. The robot was built using the Driving Base instructions that came with the EV3 Classroom applicat Python Javascript C++ Others EV3DEV replaces the original EV3 operating system (which is also Linux based), and runs inside the EV3, similar to how windows runs inside a laptop or PC. LEGO MindStorms EV3 – PID Line Follower Code by Using MicroPython 2. Squaring on a Line Proportional Line Follower Gyro Move Straight PID Line Follower Feb 29, 2024 · Forked from CS2098/line_follower. When sensor’s light reflection value <= threadhold_1, right motor runs and left motor stops; when light reflection value >= threshold_2, left motor runs and right motor stops. A PID controller is developed to make the bot move along a black line. Contribute to xuyouze/Line_Follower development by creating an account on GitHub. This example project shows how you can make a robotic vehicle track a line using the ColorSensor and the DriveBase class. For students to better understand how a line follower works and how a human and a robot follow a line, we recommend that you play the animation This video will teach you everything you need to know in order to program a PID line follower for your EV3 robot. Note: This program uses the color sensor in reflected light mode. JPG The advanced mode for the math block makes it really easy to modify my program to have a gain knob. Use it as a starting point to get your robot to follow a black line around a course. Wall Follower Introduction This tutorial shows you how to use the ultrasonic sensor to move a EV3 Driving Base along a wall. Two programs are provided, a simple "Two-State" approach, which drives in a "zig-zag" fashion, and a more complex "Proportional" Line Follower that will follow faster and more smoothly. beep() # The following loop makes the robot drive forward until it detects an # obstacle. 0 2023 This repo will contain advanced FLL My Blocks for Line Follow and Gyro for EV3 and Spike Prime Robots Important Note: The initial drop has problems in measuring distance. Note: To line follow with the Advanced Driving Base (ADB) in Color Mode you will have to make a modification to the design because the color sensor does not recognize black at the height in the original build instructions. Oct 28, 2025 · In this lab, I programmed a LEGO EV3 robot for autonomous dark green line following on a white table. 1 Lego mindstorms line follower robot design A line follower shown in Fig. It is a very simple but powerful example that can help students to understand and to correctly program other situations. Using the EV3-G software we have developed a very simple program for following a line with two LEGO MINDSTORMS color/light sensors. Adjustments can be made to the speeds and reflected light intensity so that your robot can negotiate even tighter turns or work with various colour Finally, enable the derivative and adjust until you are satisfied with the line following. Source: “PID Controller for LEGO Mindstorms Robots” by J. LEGO also provides a special version of a line-by-line language called Python for programming Lesson Objectives ì Evaluate and compare different line followers ì Learn to use the concept of “proportional” to create a proportional line follower ì Prerequisites: Basic Line Follower, Color Line Follower, Color Sensor Calibration, Proportional Control, Math Blocks, Data Wires Apr 4, 2022 · # line_follower. It describes using a threshold value to determine whether to turn left or right, and includes details on setting motor powers and creating loops and Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Learn how to write a Python function that uses ev3dev to follow a line with two color sensors and turns left or right at a green dot. I've used a PD control in order to achieve smooth locomotion without excessive jiggling or Line Follower Sensor for NXT or EV3Use this sensor to detect a line. Then using an IR sensor array, will make PID controlled version of the line follower. I CHALLENGE: FOLLOW A LINE ¢ Write a program that follows the right edge of the line ¢ If your sensor sees black, turn right ¢ If your sensor sees white, turn left ¢ Use an If-Else block to make that decision ¢ Repeat the line follower forever ¢ Use Color Mode or Reflected Light Mode Mar 25, 2024 · Learn how to implement a PID line following algorithm using the ev3dev library in Python. Explore EV3 coding with Python and EV3-G, learn how to connect sensors and motors, and build custom LEGO robots. It is the fundamental line following program to master for competitions such as FL The document provides instructions for programming line following and color detection behaviors using EV3 or Spike Prime robots. Python 3 project at Örebro university to make a Lego Mindstorms EV3 robot with 2 large motors be able to 1) follow a black line, 2) handle obstacles and get around them, 3) handle sudden "loss of black line" event. Learn how to implement an EV3 line follower using 3 color sensors and PID control in Python. 005 for fine tuning The GearsBot base robot Single Line Follower and the coding blocks available are generally inspired by LEGO Mindstorms, as is the python API, which is based on EV3 third-party contributions. No description has been added to this video. Nov 14, 2023 · How to use Line FollowingRemoved the Drive settings as instructed and adjusted the proportional gain to 0. Mostly for high schoolers to demonstrate that engineering is fun. 1 for fine tuning I: 0. ev3 as ev3 from time import sleep class LineFollower: # Constructor def __init__ May 14, 2023 · Learn how to program an EV3 robot to follow a black line on a white surface using Pybricks library in Python. Perfect for classrooms, competitions, and hobby robotics, these EV3 tutorials expand your knowledge and skills in educational robotics. Sep 30, 2025 · There are several ways of programming FIRST LEGO League Challenge Robots. - Mormert/ev3-line-follower Which Program Works Best for Which Situation? Simple Line Follower Most basic line follower Wiggles a lot due to sharp turns Good for rookie teams need to know loops and switches 3-Stage Follower Best for straight lines Droids do not recommend this. Your ultrasonic sensor should be placed horizontally, near the driving wheel, facing the wall. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects. Implemented in Python. In this video, I showcase a simple line follower robot built using LEGO MINDSTORMS EV3 and programmed in MicroPython. py Created February 29, 2024 02:58 Show Gist options Star0(0) You must be signed in to star a gist Fork0(0) You must be signed in to fork a gist Embed Jun 6, 2019 · Machine Learning with Lego Mindstorms EV3 As part of my master thesis, I developed a workflow and exercises to bring Machine Learning (ML) to LEGO Mindstorms EV3. The task was to design PID-controller for EV3 robot with light-sensors to make it following the line as fast as possible, in the same time being stable. Dec 10, 2013 · In this tutorial we introduce the basic algorithm for following a line with one sensor and review the algorithm for quickly followwing a black line with one sensor, implementing both with the Mindstorms EV3 robotics kit. In the following sections, I will show you how to realize those functionalities by using the newly released LEGO MicroPython 2. This article will use the Lego Gyro because it might be a conceptually easier for new FLL participants to understand. One of the most important functions in both robotics and computer science is the capacity to record Driving straight using a gyro and PID algorithm Most articles on Lego EV3 PID algorithms use a line follower example (using the Lego Colour sensor) to describe it. Proportional Line Follower for EV3 - Follow the Line Smoothly! Bright Flying Red and Blue Fire Sparks Background video | Footage | Screensaver Line following robot 2 DESIGN METHODOLOGY 2. - ev3_q_learning_line_follower. pdf), Text File (. 0. To stay on the line I'm using PID regulator which uses difference between 2 color sensors on the front for calculating error (se Jun 14, 2019 · Hey everyone! in this LEGO’s episode, I’m going to teach you how to make the ultimate line follower for your EV3 robot: a PID line follower! Jump to videos? to see my Lego’s youtube playlist Jan 11, 2015 · This video lesson is a revised version of Episode #1. Aug 23, 2024 · In this blog post, you will learn how to connect a HuskyLens to your LEGO MINDSTORMS EV3 and create a line follower robot. A version of this Scratch-based language called EV3 Classroom is also available for those using EV3 sets rather than SPIKE Prime. 0 MAR FLL Challenge Tools - Spike Prime 3. Thanks For Watching!-Abinav Pallathoor Bring MINDSTORMS EV3 into your high school classroom with hands-on lesson plans, software downloads, teaching resources, building instructions and FAQs. Sanjeev from vNext Labs explains how to use the PID Line following using the color sensor on the brand new LEGO Spike Prime Robot In this video I teach you how to follow a line using the color functionality of the color sensor with EV3 MicroPython. A computer (Windows, macOS, or Linux) with Visual Studio Code installed. In the video, I explain how to measure your Build a PID Controlled Line Following Robot Using Lego Mindstorms, ev3dev, Pythonista and Python HOW FAR IS THE ROBOT FROM THE LINE? ¢ Reflected light sensor readings show how “dark” the measured area is on average ¢ Calibrated readings should range from 100 (on just white) to 0 (on just black) We highly recommend knowledge of Algebra at a minimum. Contribute to billbilldatis/EV3-Line-Follow development by creating an account on GitHub. Written_Directions_for_EV3_Line_Follow (1). It discusses using conditional statements like "if/else" with sensor inputs to control robot actions. Slam, Line Follower, Particle filters and more - mimoralea/kalman-karma # The axle track is the distance between the points where the wheels # touch the ground. I built this just for fun. You will need to calibrate your color sensor. Line-Tracking Robot designed with PID algorithm to perform the following: (Used Lego EV3 Mindstorms Parts and programmed in C language and Python. This is a line follower program in Python for a LEGO Mindstorms ev3. py Point out that in order to create the line-following program, they will need to “wiggle” the wheeled robot along the line. After starting the script, the EV3 Classroom: Proportional Line Follower By Sanjay and Arvind Seshan Mar 24, 2015 · In this unit, we will use the datalogging tools available in the EV3 Software to study the internal operation of a two-step simple line follower with one Light sensor. Array of 8 sensors Digital I2C interface for NXT/EV3 Write your own PID controller or line follower programs This project implements a Q-learning algorithm for line following on the LEGO Mindstorms EV3 robot using MicroPython. Python 3 project at Örebro university to make a Lego Mindstorms EV3 robot follow a black line. (Using the right sensor instead of left)But with this method, the Bot is curving the left following the line but as noticed on the video, when the line curves to the right, the robot doesnt react and just goes straight Nov 16, 2018 · I'm building a line follower with EV3 lego kit as a school project. 5 initially and ±0. It presents examples starting with basic 2-state line following, then improving it to 3-state and 5-state versions for smoother movement. Whether you're a teacher, student, or robotics enthusiast, this step-by-step About This is a line follower program in Python for a LEGO Mindstorms ev3. It's a mechanism we've used with EV3, NXT and now SPIKE. The Python tab is where you code using Python and either the ev3dev or pybricks APIs. Use the Correction value (computer in Step 3) to adjust the robot’s turn towards the line. This feedback allows for precise control of the motors. com, Calibration ì Videos will not play in PDF Mar 13, 2014 · The easy way of learning how to built your own Line follower Robot using a PID Controller without any of the mathematical expressions that you will find on most tutorials. This is a sample project which allows users to practice line following program of LEGO EV3. speaker. Example, after a turn the robot is slightly off the center of a line (approaches line at an angle). A series of algorithms can make an EV3 robot follow a black line on a white background, using only one Color sensor. Apr 28, 2019 · My take on LEGO Mindstorms EV3 Line Follower using two light sensors. robot = DriveBase(left_motor, right_motor, wheel_diameter=55. The answer depends on what side of the line you are following! Jul 24, 2024 · HuskyLens Line Follower with EV3: A low code program In this blog post, you will learn how to connect a HuskyLens to your LEGO MINDSTORMS EV3 and create a line follower robot. We will … Read more computer vision, huskylens, line follower, mindstorms ev3, python, third-party sensors, tutorial Lighting Astro Boy with a radar sensor and RGB NeoPixel LEDs Nov 24, 2024 · SPIKE Camera Line follower This robot carries a camera around, with an adjustable angle. sg This is a very basic line follower but it gets the job done. LEGO MINDSTORMS Ev3 line follower coded with python v2 ev3dev. The threshold value is selected as the average of the line reflection and the reflection of the surrounding surface. ì Prerequisites: Math Blocks, Color Sensor Calibration, Data Wires, Variables, Proportional Control We highly recommend knowledge of Algebra at a minimum. Code for the Python EV3 Mindstorms platform. Line following is a nice little robot challenge, making use of both a sensor and motors. This is an extreme line follower for the most demanding of challenges. Teacher Instructions Slides 4-7 are animated. This makes it ideal to follow lines on the floor. If I turn the motor in the negative direction I can make the line follower track the other side of the line (using a negative proportional gain). The robot navigates paths by learning to follow lines using a reinforcement learning algorithm, adapting to its environment and improving over time. - Mormert/ev3-line-follower light gui line robotics sensor motor lego ev3 line-following line-follower lego-mindstorms lego-mindstorms-ev3 colour-sensor Readme Activity 2 stars This robot will follow a line on the floor using the NXT 2. This article assumes you understand what PID is and how to implement a PID or PD control loop. 0 Color Sensor in Light Sensor mode. Oct 28, 2024 · PID is the most popular method for programming line-following robots. HuskyLens Line Follower with EV3: A low code program In this blog post, you will learn how to connect a HuskyLens to your LEGO MINDSTORMS EV3 and create a line follower robot. 01 initially and ±0. e. Lets make a quick and easy proportional line follower in less than 3 minutes. Adjust your scaling factor to make you robot follow the line more smoothly. The robot has to choose which way to turn when the color sensor sees a different color. com. Jun 16, 2020 · This line following method is actually an upgraded version of 2-Level Line Follower. See more info atmore Oct 10, 2024 · When the robot is line tracking, the color sensor provides the amount of reflected light from the surface under it. This approach to programming line-following robots is not ideal for beginners. This tutorial provides step-by-step instructions and code examples. pdf - Free download as PDF File (. GitHub is where people build software. Sluka. Dec 8, 2022 · 2. Line Follower Sensor for NXT or EV3Use this sensor to detect a line. Contribute to ofdl-robotics-tw/SPIKE-PD_Line_Follow development by creating an account on GitHub. The Color sensor will be used in the “Reflected Light Intensity” – mode to detect the intensity of light reflected off a source. , trigger) has been crossed. In this blog post, you will learn how to connect a HuskyLens to your LEGO MINDSTORMS EV3 and create a line follower robot. To improve performance, we’ve created a custom Python If you have an ev3 it will be possible to use more than one sensor line following as you can have 3 or 4 light sensors on your robot. I also used a slide from ev3lessons. This is Line Following ¶ This example project shows how you can make a robotic vehicle track a line using the ColorSensor and the DriveBase class. We will provide you with Python code that makes the process straightforward. 301 subscribers Subscribed How do I create a broken line follower? [RobotC] [Legomindstorm] [Ev3] Ask Question Asked 6 years, 8 months ago Modified 5 years, 7 months ago Introduction to Distance Sensor Using Speaker Functions Using Light Functions Basic Line Follower Challenges Feb 8, 2020 · Robotiáda 2020 - čára, GZ - TeamLego Mindstorms EV3 fast line following robot 2020, GZ - Team Using arduino, motor drivers and chassis, we'll put together a simple line follower robot using two IR sensors. 5. google. Find a suitable video online to demonstrate an example of this to the students. When enabling each segment, here are some good numbers to start with for the constants: P: 1. Proportional line followers are very accurate, useful and Jul 11, 2024 · Pybricks + HuskyLens: A simple SPIKE Prime camera line follower Add vision capabilities to your LEGO SPIKE Prime with the Pybricks HuskyLens connection. This is the most common type of motor, so we just call it motor Python 3 project at Örebro university to make a Lego Mindstorms EV3 robot follow a black line. it is especially challenging if you only have one colour sensor, which is the case with the standard EV3 sets. This design has an incredibly low center of mass so it is very well balanced and enables a sharp turn. If it is working fro you keep going. This bot is developing using the Lego EV3 brick and Lego EV3 Mindstorm software. For a simple 2 color sensor (…in RGB mode) line follower robot with 2 large motors, we’ve recorded performance as poor as 30+ loops per second, compared to 400+ loops per second using EV3-G. more Dec 3, 2015 · In a previous article I built a simple line following robot. The Q-learning approach enables the robot to learn and optimize its path following behavior by considering rewards assigned to each action. I had intended to follow this article up with more about building cooperating systems, but I’m afraid I got distracted! In particu… Line-Follower Challenge Solution Description: This program is for an EV3 robot with the color sensor attached to the robot and connected to the EV3. May 16, 2019 · Line Follower Robot Algorithm & Optimizations for Better Line Following In this tutorial, I’ll be teaching you a Line Following algorithm for robots. com to explain the logic of following a line. The most popular new language created by LEGO Education is based on Scratch called Word Blocks. If on white turn right. Notice how most of the lines end in a "T". Proportional line follower for SPIKE PRIME robots. PID Overview A PID Controller is a common technique used to control a robot. Jun 16, 2020 · There are different methods to follow a line, from simplest versions to more complicated ones. CHALLENGE: FOLLOW A LINE ¢ Write a program that follows the right edge of the line ¢ If your sensor sees black, turn right ¢ If your sensor sees white, turn left ¢ Use an If-Else block to make that decision ¢ Repeat the line follower forever ¢ Use Color Mode or Reflected Light Mode SPIKE Prime PD Line Follow Program. Use this model to mount … Jun 2, 2019 · The part of a line-follower program that adjusts the steering based on sensor readings is called a control algorithm. - CS2098/Line-Follower Master LEGO® MINDSTORMS® EV3 with hands-on guides that cover everything from basic programming to complex robotics projects. As an example, we will be building a line following robot. 05 adjust by ±0. 0 We would like to show you a description here but the site won’t allow us. We will … Read more computer vision, huskylens, line follower, mindstorms ev3, python, third-party sensors, tutorial Apr 29, 2025 · A simple LEGO EV3 robot programmed using MicroPython to follow a line using a proportional control algorithm. So let’s start now. Dark surfaces absorb light, while bright surfaces reflect it. I am facing issues with the robot catching the line. Does not work with ev3dev-jessie! Be sure to grab a snapshot image of ev3dev-stretch. . 5, axle_track=104) # Play a sound to tell us when we are ready to start moving ev3. It’s a bit complex, so this tutorial is longer, as we’ll break it down into steps and explain each element of the equation. In other words, the wheeled robot will turn left and then right depending on whether the line (i. Step 1 In the Logic Toolbox drawer under the Conditionals section, drag out an If then else block onto the Workspace, and drop it into the forever loop. txt) or view presentation slides online. Array of 8 sensors Digital I2C interface for NXT/EV3 Write your own PID controller or line follower programs Wall Follower Introduction This tutorial shows you how to use the ultrasonic sensor to move a EV3 Driving Base along a wall. Attempting to learn this as a first step in competition preparation may give a misleading impression of the competition The proportional line follower is an essential staple in EV3 programming. ) a) Track the simple line given an initial position using right edge of the line. The amount of code you need is minimal, so even 11-year-old kids can probably do… August 23, 2024 In "EV3 Tutorials" Dive into the fascinating world of robotics with our comprehensive Python coding tutorial for the LEGO Mindstorms EV3. In this post, I will use one example to walk through this process. This document provides step-by-step instructions for writing an EV3 program using a light sensor to follow a black line. Device The motor class provides a uniform interface for using motors with positional and directional feedback such as the EV3 and NXT motors. It works by combining the principles of a single sensor proportional line follower with those of a two sensor line follower. Improving the control algorithm makes the Trobot v1 move more smoothly and This program is a fantastically simple and effective line follower. com/dri In this EV3 programming tutorial, I will be walking you step-by-step on how to make an effective line following program for your EV3/ FLL robot, using two color sensors attached to the front. This program is developed with LEGO Education SPIKE App Python and is used to make the Luly, small LEGO Education SPIKE Prime competition robot with 3D building instructions align to a line with two color sensor. com/dri Hello, I have recently switched to using PyBricks with Spike Prime (previously EV3 with EV3DEV) and have recreated the exact EV3 line following code in PyBricks. The specifications of the line are in terms of its width and its color with respect to the color of the background. PID2. Code included! The first thing you have thought about after unboxing your LEGO Mindstorms was building the first robot, and just after that you would […] A line-following robot project using Raspberry Pi and PiCamera that autonomously follows a black line and detects intersections, navigating a predefined route with PID control. If you want the distances to be more accurate, wait for the updates. ROBOT LINE FOLLOWING HAPPENS ON THE EDGES Left side line following Right side line following If on black, turn left. This code uses the ev3dev2 library and assumes that the color sensors are connected to ports 1, 2, and 3, and the left and right motors are connected to ports B and C, respectively. Sep 23, 2020 · In the previous p ost, I briefly introduced the VAT software and summarized the steps to configure project settings and run programs. But once you understand how this works, you can build all kinds of… November 24, 2024 In "SPIKE This 2-sensor PID line follower makes for an extremely versatile, very reliable, accurate EV3 line following program that also happens to be efficient; it only uses two sensors. Motor (address=None, name_pattern='*', name_exact=False, **kwargs) ¶ Bases: ev3dev2. aposteriori. Navigation: line following and aligning along lines Gyro testing and calibration Launches (for solving missions) Menu program (for starting launches interactively during competition) As of this writting, this code repository has completed almost all of the above goals minus the actual launches for solving missions. Lego Mindstorms EV3 - Follow line with Python Levi H. Matt Gipson requested it in a comment. from spike import PrimeHub, LightMatrix, Button, StatusLight, ForceSensor, MotionSensor, Speaker, ColorSensor, App Update: Sept, 2023 - New version of tools for Spike Prime 3. edu@gmail. PID is a calculus-based concept and students should understand why it is used and the math behind it before using it. py # by: Carl Strömberg # Import the EV3-robot library import ev3dev. This EV3 programming tutorial will teach you how to make a proportional line follower for your EV3 robot. But if you've got a web browser, you can still work on some code! Here is a (barely stable) line follower coded in Python running on the online EV3 simulator at https://www. colours sensor ev3 robot line follower coding with micro python In this video, you will learn how to code a proportional line follower that uses two light sensors. https://drive. You will find this block in the "Motre Motor" extension. This guide shows how to integrate a HuskyLens camera into your robotics projects. The program will cause the robot to follow a black line on a white surface. Test your program by positioning your robot to the right of a dark, thick line and then let it drive! Make your LEGO® MINDSTORMS® Education EV3 robot follow a line using the Color Sensor’s Reflected Light Intensity Mode. More advanced proportional A line follower is the easiest way to make a robot follow a pre-determined path. Step 1 Measure distance Declare a new variable distance and store the distance from the ultrasonic sensor on port 4. Building instructions Jul 21, 2019 · EV3 PID line follower with medium motors Ask Question Asked 6 years, 3 months ago Modified 5 years, 10 months ago A line follower is an autonomous robot which navigates by following a line present on the surface beneath the robot. The term ‘PID’ is an acronym for Fast line-following with Steer Bot Python code and building instructions for the LEGO MINDSTORMS Robot Inventor Other Fan Creations (51515). RBTX 2021 Advance category with LEGO EV3 It uses a new type of follow line calculation (not PID) For ant inquiries you may contact use via: WhatsApp : +6013 895 7679 Email: tesslab. 0 On 16 June 2020 By The Coding Fun EV3-MicroPython LEGO EV3 LEGO MindStorms EV3 Experience LEGO MindStorms EV3 Model 3 Comments In the case of a line follower, as the driving base needs to perform small and fast movements (most likely bellow 10 degrees oscillating between the white and the black space), programming using Power Mode is more reactive, resulting in a more accurate line follower. kcjulwb vpukab czyj uuoj yoiw wknp lejafv gkpk lmsjjd ziqo jndq fiwzi bmgyrtb lij dsqsc