EV3 Robots with 6 Sensors? – Mindsensors Sensor Multiplexer
Have you ever wanted to make an EV3 robot that used more than four sensors? The EV3 Sensor Multiplexer by Mindsensors allows you to plug three sensors into one sensor port on the EV3 brick. Today’s...
View Article5 Sensor EV3 Line Follower – How is This Even Possible?!
Is it possible to make an EV3 line follower with five sensors? Absolutely! The EV3 brick may only have four sensor ports, but with the addition of the Mindsensors Sensor Multiplexer covered in last...
View ArticleProgram the EV3 Color Sensor to Detect 16.8 Million Colors (Sort Of) – RGB...
The RGB color sensor block, invented by David Gilday, greatly expands the possible number of colors that the EV3 color sensor can detect. It works by scanning a color and reporting the relative red,...
View Article[Addendum] RGB Color Sensor is NOT LEGAL in FLL or WRO
Today’s video is a simple addendum made to supplement my previous comprehensive tutorial covering the RGB color sensor. Today, I correct a mistake that I made in my previous program and discuss the...
View ArticleMake a Deceleration Program for EV3 Robots – Improve Robot Stability
Today’s tutorial is an essential for FLL teams who want to learn how to make their FLL robot gradually ramp down its speed and come to a stop (decelerate). This program will help make an FLL robot’s...
View ArticleWhy You Should Program the EV3 Display – Excellent Debugging Tool
The EV3 brick’s LCD Display is an excellent feature that is seldom taken advantage of. With the proper programming knowledge, the EV3 Display opens up countless new capabilities for your EV3 robot. Not...
View ArticleMeasure Average RPM of an EV3 Motor – No Extra Hardware Required
Today’s EV3 programming tutorial will teach you how to make a program that measures the average rotation speed of a motor attached to your EV3 robot. This program measures average speed over the entire...
View ArticleMeasure Instantaneous RPM of an EV3 Motor + Stall Detection
Today’s EV3 programming tutorial will teach you how to make a program that measures the instantaneous rotation speed of a motor attached to your EV3 robot. This program measures the motor’s rotation...
View ArticleProgram Accurate 90 Degree Turns with the EV3 Gyro Sensor
Today’s video teaches an essential skill for anyone building an FLL robot; how to program your EV3 robot to make 90 degree turns using the EV3 gyro sensor. I also show you a method for testing the...
View ArticleEV3 Gyro Sensor + PID Algorithm = Extremely Accurate Drive Straight Program
A PID algorithm is the ultimate feedback loop for controlling an EV3 robot. This week, we apply it to the EV3 gyro sensor, and the result is a very reliable program that keeps an EV3 robot in an...
View ArticleSpeed-Adjusting Proportional Line Follower – EV3 Navigation with Bendik Skarpnes
Today’s video teaches you how to make an intelligent proportional line follower for an EV3 robot. This smart line follower adjusts its speed based on previous errors measured by the EV3 color sensor,...
View ArticleThe Ultimate Line Squaring Program! – EV3 Navigation with Bendik Skarpnes
This week’s tutorial teaches you how to make the ultimate line squaring program! Line squaring is a technique that I prototyped for FIRST LEGO League as a way to increase the reliability of long...
View ArticleProgram your EV3 to Detect Loose or Faulty Cables – EV3 Navigation with...
The last thing you want to happen during an FLL competition is to find out that one of your EV3 robot’s motors or sensors has come unplugged. This could spell disaster for an FLL robot. Thankfully,...
View ArticleThis Excel Spreadsheet Saves Time Programming an FLL Robot – EV3 Navigation...
How can a spreadsheet in Microsoft Excel help you program your FLL robot faster? Today, I will show you a special spreadsheet created by Bendik Skarpnes from FLL Team Gosen. You can input information...
View ArticleAdvanced Acceleration Program Controlled with Motor Rotations – EV3...
Acceleration programs are important for FLL robots because they improve the robot’s reliability reduce the chance of wheel spin. Today, I will demonstrate the ultimate acceleration program for EV3...
View ArticleOfficial Merch is Now Available!!!
Check it out here: teespring.com/builderdude35 Official Builderdude35 merchandise is now available for you to buy! You can now get an authentic Grunt-logo t-shirt, hoodie, or long sleeve shirt in an...
View ArticleSmart Deceleration Program Controlled with Motor Rotations – EV3 Navigation...
This week’s tutorial demonstrates the ultimate deceleration program for EV3 robots. A deceleration function is such an important part of a successful FLL program because it limits wheel spin and...
View Article2 Sensor PID Line Follower – The Most Efficient EV3 Line Follower
Learn how to make a PID line follower with two EV3 color sensors. This 2-sensor PID line follower makes for an extremely versatile, very reliable, accurate EV3 line following program that also happens...
View Article6-Sensor PID Line Follower for EV3?!?! – Mega OP Line Follower!!!
What happens when you use 6 EV3 color sensors to follow a line? This week, we find out! The EV3 robot and line following program I demonstrate in this video use two Mindsensors Sensor Multiplexers and...
View ArticleGetting Started with LDCAD – A Better Alternative to LDD
Today we explore LDCAD, a digital CAD software for LEGO that allows you to build your models with virtual LEGO bricks on your computer and create building instructions. LDCAD has all of the latest LEGO...
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