Hrutur, from Icelandic, means Ram.
The robot is made to resemble a Ram. Its main focus are the gears, which make it go faster so that it can ram harder. It uses two Large EV3 motors to power the gear systems. At the front it has an Ultrasonic sensor for aesthetic purposes, which you can use however you like.
In this 3D scheme, you can see how the motor driver is connected to the Raspberry Pi and to the motor. Follow the steps in the instructions one by one and you will have successfully connected the motor to the Raspberry PI
Mintonet (engl. Mintonette) comes from the name of the first iteration of volleyball.
The robot can move only forward and backward, without turning, with the help of a large EV3 motor. Another large motor is used to shoot. The robot uses an EV3 ultrasonic sensor to detect its partner and throw a ball at it.
Mintonette comes from the first iteration of Volleyball with the same name.
The robot uses two EV3 Touch sensors to control the turret left and right. It uses the EV3 Color sensor to trigger the shooting mechanism, which consists of an EV3 Large motor which pulls a lever to shoot a ball.
The Laboratory is a robot that tests your programming skills. You will have to measure the volume of a balloon, only by the values you receive from the sensors.
It has a valve, that allows you to deflate your balloon at different rates.
How to place the balloon in the robot is explained in this tutorial.
Iknathir from armenian means aircraft carrier.
The robot is made to resemble an aircraft carrier. It shoots paper airplanes using two fast spinning wheels. The wheels are connected to a gear up mechanisms which are connected to two Large motors. The motors themselves are connected to a medium motor, which allows them to move towards and outwards the plane so when they reach it, they are spinning at full speed. The plane is placed on a runway which leads it to launch successfully. On the side of the robot, there is a lever with a gyro sensor, which is used to trigger the launching mechanism.
Rollbar is a handy device, which only purpose is to measure lengths. Its main purpose is to measure curved lines.
It's designed for right-handed people, but with some small adjustments, it could fit any palm.
The kinesthetic and memory game works with a program you can download from here. In these instructions you will see the 7 modules from which it is built:
This robot is meant to be very modular and to enable its owner to upgrade it and modify it.
This program is a final version of the game played with EV3 Kinesthetic and Memory Game. In this game you are given a sequence of hints which you are expected to remember and to perform the right actions in the given order.
This program is a basic version of the game played with EV3 Kinesthetic and Memory Game. For the program to work correctly, there must be one ultrasonic module attached to port 4, one gyro module attached to port 2 and one color module attached to port 3. The other modules are not required from this program.
This program is an example solution to the tasks in lesson 5 of course 4.5. To operate correctly, the robot is expected to have a medium motor attached to port A and a touch sensor attached to port 1.
We will demonstrate an alternative way to make the robot move backward
The programs are designed to be used with Mintonet - a LEGO Volleyball robot.The project consists of several programs:
Using the On for degrees (rotations) option of the the Medium Motor Move Block you program the motor to rotate for the given number of degrees. However, sometimes is useful to program the motor to go to a given position, instead. To achieve that you can use this block. It takes the start position of the motor as 0 degrees. Then when you run the block with given number of degrees it just rotates the motor to that position. For exaple if your current position is -20 degrees and you run the block with 30 degrees, the motor will rotate for 50 degrees. But if your current position is 10 degrees the same program will rotate the motor for 20 degrees.
The block has the following parameters from left to right:
Attention! This block is made only for robots with two driving large motors on ports B and C and one steering medium motor on port A!
Detailed explanation of how to use this myBlock is written in the tutorial How to use the CarControl MyBlock.
This module is meant to be used in EV3 Kinesthetic and Memory Game and is attached to the base of the robot. This module uses the rotation sensor in the medium motor to detect how much the players had turned its wheel.
In this video tutorial we start with the basic of the basic, eg. how to move. We use the block from LEGO Education SPIKE Prime Word Blocks software. It is based on Scratch. The goal of the tutorial is to demonstrate how we can move and to teach something very important - the robot moves inaccurately
This video tutorial demonstrates the accuracy and consistency of the robot behavior when we use only the blocks for moving the robot without any sensor. Spoiler alert - the robot is not consistent and it is not accurate.
In this tutorial we demonstrate how accurate the robot is when we are moving it slow vs when moving it fast. The point of the tutorial is to show that moving slowly is generally much more accurate. It is not accurate enough for a FIRST LEGO League competition, but if you have to move without the use of the sensors you can at least move slow.
This videos tutorials demonstrated the robot accuracy in 10 runs one after the other. 5 of them are with the robot moving slow and 5 are with the robot moving fast. See for your self what is the accuracy achieved only with the move blocks of the robot.
In this video tutorial we will reach a specific location on the field 10 times. This programs demonstrates the accuracy and consistency of a program that used the Motion Sensor to detect the angle at which the robot rotates. At the end of the tutorial you will have a visual and clear picture of what you could expect from this basic usage in terms of consistency and accuracy. This might be enough for some cases and it might not be enough for others.