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Summer of Learning Q&A

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If I already have RobotC for Vex installed, do I have to download RobotC for Lego Mindstorms, or ...
• Jun 26, 2017

Question: If I already have RobotC for Vex installed, do I have to download RobotC for Lego Mindstorms, or can I just add the license?
Answer: You can add a license, then select which platform you want to use in ROBOTC. Please check out www.robotc.net for more details.

How many attempts do you receive on a quiz?
• Jun 27, 2017

Question: How many attempts do you receive on a quiz?
Answer: For quizzes, there are no limits. For certifications exams, everyone gets two attempts.

How can I gain access to the PowerPoint slides used in the Summer of Learning for VEX IQ 2017 cou...
• Jun 28, 2017

Question: How can I gain access to the PowerPoint slides used in the Summer of Learning for VEX IQ 2017 course?
Answer: The slides are made available to users who participate in professional development (teacher training) courses offered via the CMU Robotics Academy. Visit http://education.rec.ri.cmu.edu/educators/professional-development/ for more information about teacher training at CMU.

How do I delete my account?
• Jun 28, 2017

Question: How do I delete my account?
Answer: Unfortunately, there is no "Delete Account" feature at this time.

For the Sensors Mini Challenge (Orientation Engineer) the directions are not very clear to me. Th...
• Jun 29, 2017

Question: For the Sensors Mini Challenge (Orientation Engineer) the directions are not very clear to me. The diagram has starting point A, but includes two other points B & C. However, the challenge requires a 90 degree right turn. Please clarify the instructions. I keep getting a message that I did not make it to the target.
Answer: Throughout the curriculums, only Mini Challenges are required to be completed (challenges where you see the achievements to the left). Try Its are more experimental, usually a play-test environment following the video. In virtual worlds, the diagrams with those A, B, and C markers are starting points.

Is it possible to download the sessions and view them off-line?...If so, how? Also, and in the...
• Jun 29, 2017

Question: Is it possible to download the sessions and view them off-line?...If so, how? Also, and in the same line of thought, may I use the training 'games' off-line? Thanks
Answer: You could try downloading WebEX (https://www.webex.com/play-webex-recording.html), which gives you the ability to download the video sessions. As for the RVW games, those could be downloaded and played offline. However, to earn credit to badges and achievements, an internet access is required.

First I want to say thank you for offering this training. I am a teacher that runs a VEX Club af...
• Jun 29, 2017

Question: First I want to say thank you for offering this training. I am a teacher that runs a VEX Club after school and a leader of a first ever VEX IQ 4H Club in CT. I am new to VEX. I have been doing EV3 before not using Robot C. I have been following the recorded trainings then using the knowledge you shared with my 4H Club. I appreciate your help. Just a few questions: 1. Is the Robotic Virtual World free for 90 days or 10 days? 2. Is there a Robotic Virtual World competition that uses Ring Master? (Meaning competes with others across the world. Could this be another way for a the club to compete and/or practice.) 3.Programming -When you put a negative power or a negative rotation does that mean backwards and/or opposite direction? 4. On physical robot - how do you stop a motor from what we call "ghosting" or after put the controller down, it keeps moving? We are really struggling with this. 5. On physical robot - does the amount of power in a battery affect the distance a robot if you are programming in seconds and also rotations? Thank you for everything you have done. Being new to VEX myself and coaching a VEX Team is scary but a great challenge. Sincerely, Rachael Manzer
Answer: 1. Robot Virtual Worlds is not free. We don't own nor control any of it. We are partners with team that owns it. Hence the free 90 day trial day key, just for Summer of Learning. The 10 day trial is most like what you get when you just download their software. 2. There is a competition for Ringmaster, using Robot Virtual Worlds. The details can be found here: http://cs2n.org/competitions/viqringmaster 3. It's common to assume negative values as "backwards" or "opposite", but ultimately depends on which command you use it with. For example, setMultipleMotors(-50) and backward(50). Moves the robot backwards, at the same exact speed, but different numbers. 4. There is actually a badge on CS2N, name "VEX IQ - Direct Control" that goes into extensive details on how to control a VEX IQ with a remote control. That could provide you with more information :) 5. Battery levels would greatly affect robot that relies on time when in motion. Consider using motor encoder counts or sensors for turning, especially the Gyro. There are loads of materials provides on CS2N right now, and for free!

For Ringmaster virtual competition, can you design your own robot, or do you have to use the claw...
• Jun 30, 2017

Question: For Ringmaster virtual competition, can you design your own robot, or do you have to use the clawbot.
Answer: Unfortunately the only robots that can be used for Ringmaster are the ones available in the RVW. The game, more or less, is used as a strategy planning and trying out the challenge.

I'm in the summer Robot C Vex class. I've been using the graphical robot C. Can I build funct...
• Jul 6, 2017

Question: I'm in the summer Robot C Vex class. I've been using the graphical robot C. Can I build functions in graphical robot C? The golf course mowing project would be slightly cleaner with a turn right and turn left function, Also, Is there any way to make the default view the top down, instead of the robot perspective?
Answer: It is highly recommended that you migrate to ROBOTC Text if you want to create functions. You can easily convert your current Graphical files into Text-based, all in the same application. Simply go to View, then select "Convert Graphical File to Text", then you can start editing as a text file. However, you can't go back to Graphical after you convert to text. As for the camera, unfortunately it defaults to Camera 1.

I don't have the EV3 software, how can I complete the mini-challenges? My hardware isn't sched...
• Jul 12, 2017

Question: I don't have the EV3 software, how can I complete the mini-challenges? My hardware isn't scheduled for delivery until after school starts in the fall. Thanks TL
Answer: Unfortunately, you still need the EV3-G programming software, along with the virtual brick in order to complete any mini-challenges.

In profile, I received the message: You have yet to earn any certificates. Select a certificate f...
• Jul 12, 2017

Question: In profile, I received the message: You have yet to earn any certificates. Select a certificate from Available Tracks to get started on a certificate! But I do not see active selection paths by clicking the link "Available Tracks" Help me, please!
Answer: Due to restrictions, Summer of Learning is only available in North America.

Is there anywhere that I can download the EV3-G programming software? Thanks TL
• Jul 12, 2017

Question: Is there anywhere that I can download the EV3-G programming software? Thanks TL
Answer: To get a free copy of the EV3-G Programming software, check out this URL: https://www.lego.com/en-us/mindstorms/downloads/download-software

Medium motor block will activate, shows NXT on the screen. Any Ideas?
• Jul 12, 2017

Question: Medium motor block will activate, shows NXT on the screen. Any Ideas?
Answer: When downloading and installing Virtual Brick from RobotVirtualWorlds.com, it usually installs two folders. A Virtual Brick and Virtual NXT. To use EV3, you will want to use the Virtual Brick. If you are able to use a 'medium motor block', it means that you are using the Virtual NXT, not the Virtual Brick.

Hi. My robotics club who are doing the Virtual Robots are having trouble loading artifacts. How...
• Jul 14, 2017

Question: Hi. My robotics club who are doing the Virtual Robots are having trouble loading artifacts. How do you load up artifacts? Thank you.
Answer: Artifacts are your program code that you upload to CS-STEM. This is basically proof that you've completed the mini challenges/challenges. Most badges will have an artifact requirement. To upload, just click on "+ New Artifact" and find your file to upload.

I have completed the Mini Challenge: Track Line for Rotations (End of the Line). However, I have...
• Jul 16, 2017

Question: I have completed the Mini Challenge: Track Line for Rotations (End of the Line). However, I have not received credit for the assignment. The virtual brick states that I have not reach the target, but the EV3 programming software shows that I have reached 4.03 rotations. I can view the rotations using the port view tab in the lower right corner of the screen. When the program finishes the port view shows the rotations traveled. Any ideas or suggestions? Thanks TL
Answer: Something about Robot Virtual Worlds is that sometimes levels have slightly adjustments that makes being precise can register an error or incomplete. We are working to minimizing those problems, but for the meantime, try compensate values by increasing or decreasing them.

I am working on the VEX IQ Sensors badge. I uploaded the code for the Maze Challenge when I comp...
• Jul 19, 2017

Question: I am working on the VEX IQ Sensors badge. I uploaded the code for the Maze Challenge when I completed it. Now I want to upload code for the Golf course and Traffic Light challenge and am not seeing the ability to do it. Moving forward should I wait and upload all code at the same time?
Answer: You should be able to upload code at any time. On the Artifacts requirement page, the "+ New Artifact" should always be available.

can you do an introduction to arduino and nxt?
• Jul 19, 2017

Question: can you do an introduction to arduino and nxt?
Answer: Eventually :)

How do you install RobotC?
• Jul 19, 2017

Question: How do you install RobotC?
Answer: You can get ROBOTC here: https://www.vexrobotics.com/robotc-vexedr-vexiq.html

Virtual World: Introduction to EV3 The Medium Motor block appears disabled when placed in the ...
• Jul 25, 2017

Question: Virtual World: Introduction to EV3 The Medium Motor block appears disabled when placed in the project pane from the toolbox. Is there a setting that needs to be enabled (because the block has the !NXT "watermark") to use the Medium Motor block? I was able to use the Wait block (for one obligatory second) to step through the introductory tutorials. Obviously this method is unworkable for the Cargo Retrieval exercise. Please advise on how to enable the Medium Motor block in an EV3 project. Thanks.
Answer: For EV3 in virtual worlds, you have to use the large motor block., even though the physical EV3 uses the medium motor block on the robot. We advise spending time to getting use to the compensation you have to make when using the large motor oppose to medium motor.

Is there any other way to watch this other than the Cisco Chrome extention?
• Jul 25, 2017

Question: Is there any other way to watch this other than the Cisco Chrome extention?
Answer: You can use other browsers, but unfortunately you will be required to download the Cisco WebEX extension.

Hi, I am not sure how what I am supposed to be doing for the LED feedback Mini Challenge. Also...
• Jul 25, 2017

Question: Hi, I am not sure how what I am supposed to be doing for the LED feedback Mini Challenge. Also, I have completed the Arm Control 3 times and earned a badges, but it is not showing as complete. Did I miss something? Also, can you review how to copy command sequences in RobotC, so you can repeat functions, or sets of functions rather than redragging and setting up the same commands all over again please? Thanks! Wendy
Answer: Try Its are not required to be completed, only Mini Challenges. Listed at the top of each activity pages, you will see activities ghosted out. Those correspond to the activities below that you are required to complete to get credit for the page.

how do you use the remote control for vex iq in robot virtual worlds
• Jul 25, 2017

Question: how do you use the remote control for vex iq in robot virtual worlds
Answer: Try checking out our VEX IQ - Direct Control Badge, which goes into detail on how to control the VEXIQ with a controller!

Ladies and Gentlemen, 1. How many sessions are left for the VEX IQ summer of learning? 2. I...
• Jul 26, 2017

Question: Ladies and Gentlemen, 1. How many sessions are left for the VEX IQ summer of learning? 2. Is there a virtual session for every badge? 3. Once the "Summer of Learning" is over will we be able to have access to the codes we develop for each challenge (in order to attain a badge)? 4. For how long will account remain active? 5. Once we begin instruction will we have technical support with coding? Thank you
Answer: 1. There are about 10-12 sessions for the VEX IQ Summer of Learning session. 2. There will be a recorded session for each badge, unless otherwise noted. 3. You will have access to all code you developed for Summer of Learning. One thing that may expire, however, is your ROBOTC Graphical programming software. 4. Your CS-STEM account will remain active forever. 5. Support about CS-STEM Network will always be provide. Coding issues are case-by-case issues.

I have uploaded an artifact after completion of Robot Movement section. It requires that I upload...
• Jul 27, 2017

Question: I have uploaded an artifact after completion of Robot Movement section. It requires that I upload the 2nd file , however either PDF or website provide what file is expected for the second upload. Can you please guide me. Thanks
Answer: You are required to upload both the Sensabot and Orchard Tractor challenge. The artifacts instruction aren't listed in the PDF, but at the top of the webpage.

I finished VEX EDR training June 30th. The only tracks for certification available are IQ and min...
• Jul 31, 2017

Question: I finished VEX EDR training June 30th. The only tracks for certification available are IQ and mindstorm. How do I get EDR?

I have entered the code as suggested for the TileMazeVR challenge but the robot behaves in an err...
• Jul 31, 2017

Question: I have entered the code as suggested for the TileMazeVR challenge but the robot behaves in an erratic fashion: a. it does not come out into the maze fully (it remains at the beginning of the intersection of the 'start' path and the 'maze' path, and b. cycles doing 90 deg. turns. I have set the 'If-Else' conditional statement within the "Repeat (Forever)' loop with a "GetDistanceSensor" setting to read < 500 and turn right at 0.7 revolutions and 'Else' statement to move forward for 1 revolution. Please advice as to possible error. Thank you
Answer: Start by having the robot move forward for one wheel rotation so that it is positioned properly. Then use a repeated decision (if/else) loop to have the robot move exactly one tile IF it can do so without bumping into a wall. Otherwise (ELSE) the robot should turn right 90 degrees to avoid hitting the wall. Select a threshold for the sonar that will allow the robot to do this. Hint: Each tile is 0.3 meters across.

how do i take tests?
• Aug 23, 2017

Question: how do i take tests?

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• Aug 24, 2017

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Is there no longer a curriculum for robotc for vext cortex? I have groups for this in the past a...
• Aug 25, 2017

Question: Is there no longer a curriculum for robotc for vext cortex? I have groups for this in the past and now I cannot find that option.

Is there a final day to complete the exam to earn the certificate? Do all online meetings need t...
• Aug 25, 2017

Question: Is there a final day to complete the exam to earn the certificate? Do all online meetings need to be watched in addition to the coursework challenges being completed? Thanks!

Hello, Thank you for making the "Introduction to LEGO EV3 Mindstorms Programming" curriculum a...
• Aug 27, 2017

Question: Hello, Thank you for making the "Introduction to LEGO EV3 Mindstorms Programming" curriculum available. I have started using the same with students in my Robotics League. The LEGO EV3 robot moves 17.6 cms. in one rotation / 35.2 cms. in 2 rotations. However, the Virtual robot covers a shorter distance. This makes the RVW slightly difficult for students to relate to the actual robot. Is this by design. Thanks, Daniella D'Souza

I've completed all 6 badges for the Intro to Programming VEX IQ Certification, but the final test...
• Aug 27, 2017

Question: I've completed all 6 badges for the Intro to Programming VEX IQ Certification, but the final test is still showing locked on the certification page. How do I take the test?

My question is regarding the "Introduction to LEGO EV3 Programming" Movemnt - Arm Control lesson ...
• Aug 27, 2017

Question: My question is regarding the "Introduction to LEGO EV3 Programming" Movemnt - Arm Control lesson As per the video, we are supposed to use the LEGO Education software and drag a medium motor to the programming area. The software is recognizing the virtual brick as a NXT, though we have the target world of the virtual brick set to "Introduction to EV3" When we drag the medium motor to the programming area, it is grayed out with NXT! - This block or mode is not supported on the connected brick. Can you explain how are we supposed to test this code on RVW.

Hello! I had reported an issue that handicapped me from completing the final quiz that was acc...
• Sep 12, 2017

Question: Hello! I had reported an issue that handicapped me from completing the final quiz that was accessible to me since I had successfully completed all the pre-requisite "course work." Specifically, some pages of quiz (more specifically, the pages for questions 20 and 40) were losing my entries as I navigated between the pages. Initially I had suspected that my initial browser (Microsoft EDGE in Windows 10 Pro) was unsupported. However, I was able to reproduce the errant behavior with Internet Explorer v11 (in Windows 10 Pro) and Firefox (in Ubuntu 17.04). To make matters worse, the Firefox session was dropped owing to a network issue and I subsequently discovered that my responses (including presumably the missing entries) had been submitted for scoring. I reported this experience and was informed by email that the quiz counter for my account would be reset. Earlier today, I noticed that the counter has not been reset. I am concerned that if I attempt the quiz again I will experience the same failure and, of course, be locked out from further attempts permanently. Please let me know if it is no longer practical for me to take the final quiz. I do understand that summer is over! Thanks.

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