Level 1 from "FLLCasts Certified VEX IQ Robot Driver - Class R1" certification path is to start on the border of the field, move through to the last obstacle, turn and return back to the border of the field.
Let's move with the VEX EDR robot using its motors, the wheels and some RobotC programming. We devide the program in three parts - Connect the motors, program the controller and turning.
In this tutorial we go through the VEX IQ Challenge. Most of the challenges are related with manipulating objects. The most common object used in competitions are balls. That is why we take a look at a simple mechanism that can be used for throwing a ball.
The comunication between the motors and the controller should be configured in the RobotC software. Each motor could be connected on a different port and the goal of the video is to show you how.
Conenct the motors of the VEX EDR motor to the VEX Corted Controller. For connecting we need the motor drivers.
After we've download the software we must install it and most importantly configure it. Without propertly configuring the software it would be difficult to use the Cortex Controller.
Now that we know how to make the robot move forward let's see we can make it move backward.
For Level 3 you need to slalom along the field. Start on the border of the field move forward until the first obstacle. Turn after it, continue forward, then turn around the second obstacle, continue forward and turn around the last obstacle. Again continue forward, turn around the second obstacle, continue straight around the first obstacle and sprint towards the finish line at the border of the field.
Level 2 from "FLLCasts Certified VEX IQ Robot Driver - Class R1" certification path is to start on the border of the field, move through to the last obstacle, turn and return back to the first one. turn once again and go up to the second one, turn around one last time and sprint towards the finish line at the border of the field.
Unpacking the VEX EDR set and learning the names of the different parts included in the set
With this video tutorial, we start with Turns with the VEX EDR robot.
In the RobotC software we could make the robot wait for a couple of seconds by using the wait function. This will give the motors a chance to work and this will actually move the robot.
The topic of this tutorial is the purpose of a system of gears when throwing a ball.
The length of the lever has a certain effect when hitting the ball. In this tutorial, I would like to discuss what it's the effect.
In this episode we combine in a single program the previous two programs for moving forward and backward.
We are ready to build the first program for moving the robot forward and backward. We learn how to build simple programs for moving the program. But it is not that easy...downloading to the robot does not always result in the robot moving.
To prepare the robot to move in a square and to use a loop in the program we would first make this VEX EDR robot move forward and turn, using a program developed with RobotC.
Spinning with the VEX EDR robot involves the use of both motors. The left and the right. Every robot with wheels could spin and this makes not exceptions.
To control the VEX Cortex controller we must use a software. In this episode we would download the software from the VEX site. Strange thing is that you must select your region correctly even if you are not in this region
Where is the math while turning? Is there any math involved? Should there be?
The next important step when turning with a robot is to learn how to do an Arc turn.
We start with the previous program where we made the robot move forward and turn. We continue in this tutorial with repeating the same RobotC instructions four times. Our goal is to make the robot move in a square.
In this tutorial we would introduce you to the concept of loops using this VEX EDR Robot. As a final result we would have a program that makes the robot move in a square and not by repeating the same instructions for move and turn four different times.
What is a single, and what is two degrees of freedom
The previous tutorial showed you how to copy/paste instructions in RobotC. The current video will introduce you to loops.
The more advanced task is to more in a polygon. This would require calculating the degree of each of the turns and RobotC is a language in which you could implement this math calculation very easily.
