This is a complex three parts attachment for the FIRST LEGO League 2020 Replay competition mission called Boccia. The attachment does three things in the same time. It can align to a mission model, It has a contained for boxes that should be dropped and it also has a lever to rotate the boccia target mission model. On top of the that the attachment is working 10 out of 10
This is a flip attachment. Arguably the flip missions are some of the most interesting on FLL competitions. The purpose of this attachment is to accomplish the FIRST LEGO League 2020 Cell Phone Mission. It contains two four gear wheels. It is an active attachment. It changes the direction with gear wheels. There is a lot one could learn from such an attachment. It is also build only from parts in the LEGO Mindstorms Robot Inventor Set.
This is a FIRST LEGO League robot attachment for the Step Counter mission from the 2020 RePlay competition. It is a pinless attachment that is optional and could be used on the robot or we can accomplish the mission without the attachment. It is better to use the attachment as this will give us a more smooth and accurate movement of the robot.
Without the use of the sensors, make sure that you are at least using "set movement acceleration to slow". In this tutorial we will demonstrate why and how this helps us improve the accuracy and consistency of the robot.
In this video tutorial we use an active attachment with a gears, built only form LEGO Mindstorms Robot Inventor parts, to accomplish the FIRST LEGO League 2020 Treadmill mission. The goal of the mission is to rotate the mission model for a couple of seconds so that a pointer makes a half circle rotation. What you will learn is a good principle to approach such missions.
This video tutorial demonstrated the use of an active gear attachment for catching a wheel and pulling it. This is how we accomplish the Rowing Mission from the FIRST LEGO League 2021 competition. What you will learn is how such an attachment works. How you transfer power from the top of the robot where the motors are to the bottom of the robot where the catching mechanism is. Check out the building instructions for the attachment.
This is a tutorial with 10 runs - 5 of them are slow and 5 of them are fast and we measure how accurate the robot is each time. How consistent is it? Can it arrive consistently on a specific location on the field without the use of the sensors? The quick answer is - No, it can not. But let's see it life
Continuing from the last tutorial, we demonstrate the consistency and reliability of the robot when we don't user sensors. The result is pretty obvious - the robot is NOT consistent and reliable. It just makes a lot of mistakes
With this first tutorial on the Motion Sensor in the LEGO MINDSTORMS Robot Inventor course we demonstrate the basic algorithm for moving in a straight line with the Motion Sensor. From here all the other algorithms are modifications, and if you know the basic it will be easier to tweak the behavior for your particular challenge