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Register for a VEX ROBOTC Summer Training Course Today!

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PD Banner VEX
 

Carnegie Mellon’s Robotics Academy has a great offering of certified technology training scheduled for VEX this summer, both online and on-site in Pittsburgh, PA!

Register for one of their ROBOTC VEX classes today!

Robotics Academy On-Site Training Includes:

  • Online access to supplemental lessons from Robotics Academy materials
  • Technical support for all hardware and software used in the class
  • 24/7 access to class management system, forums, and message boards (monitored daily)
  • Opportunities for Continuing Education credits and certificate of completion
  • Tour of the National Robotics Engineering Center

Benefits of Robotics Academy Online Training Courses:

  • Convenient online training gives you access from home or your school via the Internet.
  • Online access to supplemental lessons from other Robotics Academy materials.
  • Technical support for all hardware and software used in the class.
  • At the end of the course, take the certification test to become a Robotics Academy Certified Instructor.
  • Certificate of Completion upon course completion to apply for Continuing Education hours.
  • 24/7 access to class forums and message boards (monitored daily)


Robotics Academy ROBOTC for VEX EDR Certified Technology Training

VEXROBOTC
 

This course focuses on learning how to program CORTEX robots, and how to use robotics as an organizer to teach STEM (Science, Engineering, Technology, and Mathematics) concepts.

On-Site Course Dates:

July 11th – 15th, 2016
August 1st – 5th, 2016

Sign up for an on-site course here!

Online Course Date:

Jun 20th – 24th, 2016
Monday – Friday for 1 week
3 – 5pm EST (12 – 2pm PST)

Sign up for an online course here!


Robotics Academy ROBOTC for VEX IQ Certified Technology Training

VEXIQROBOTC
 

This course focuses on learning how to program IQ robots, and how to use robotics as an organizer to teach STEM (Science, Engineering, Technology, and Mathematics) concepts.

On-Site Course Dates:

June 20th – 24, 2016
July 18th – 22nd, 2016

Sign up for an on-site course here!

Online Course Date:

Aug 1st – 5th, 2016
Monday – Friday for 1 week
3 – 5pm EST (12 – 2pm PST)

Sign up for an online course here!

 

Written by Cara Friez-LeWinter

April 11th, 2016 at 6:05 am

UPDATE – NEW High Scores for our VEX Virtual Programming Skills Challenges!

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The competition kicked off a few months ago, and we have NEW HIGH SCORES to share with you …

VEX Both Scores

As some of you may know, we along with VEX Robotics and the REC Foundation have an exciting competition going on right now with the VEX and VEX IQ Programming Skills Challenges for Robot Virtual Worlds. This competition offers a low cost, high quality virtual competitions that enable students to test their problem solving and programming skills in the VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World Competitions. And, not only do these virtual competitions provide a great learning experience, the winner of each competition will receive an invitation to the VEX World Championship — April 20-23, 2016 at the Kentucky Expo Center in Louisville, Kentucky!

You still have one more week to compete and try to beat these high scores for a chance to qualify for VEX Worlds! Think you can do it? Learn more here robotc.net/recf and visit www.cs2n.org/competitions to sign up!

Important Deadlines:

  • Submissions for both contests are due by March 1, 2016.
  • Winners will be announced on March 11, 2016!

And remember, you must submit both your score and code through CS2N.org to officially register for the competition.

Written by Cara Friez-LeWinter

February 22nd, 2016 at 9:52 am

Latest High Scores for our VEX Virtual Programming Skills Challenges!

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Updated Scores Can Be Found Here!

As some of you may know, we along with VEX Robotics and the REC Foundation have an exciting competition going on right now with the VEX and VEX IQ Programming Skills Challenges for Robot Virtual Worlds. This competition offers a low cost, high quality virtual competitions that enable students to test their problem solving and programming skills in the VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World Competitions. And, not only do these virtual competitions provide a great learning experience, the winner of each competition will receive an invitation to the VEX World Championship — April 20-23, 2016 at the Kentucky Expo Center in Louisville, Kentucky!

The competition kicked off a few months ago, and it is time to share our latest high scores …

VEX Scores Together

You still have one more month to compete and try to beat these high scores for a chance to qualify for VEX Worlds! Think you can do it? Learn more here robotc.net/recf and visit www.cs2n.org/competitions to sign up!

Important Deadlines:

  • Submissions for both contests are due by March 1, 2016.
  • Winners will be announced on March 11, 2016!

And remember, you must submit both your score and code through CS2N.org to officially register for the competition.

Written by Cara Friez-LeWinter

February 1st, 2016 at 12:32 pm

Cool Project: VEX IQ Tetris

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CP VEX IQ TETRISTetris is a beloved and well-known classic game that many of us have been addicted to at one point or another. We wait patiently for that perfect “Tetrimino” that will create a horizontal line so the board continues to move down so the game keeps going. Well, our latest Cool Project does just that, but on a VEX IQ brain and programmed in ROBOTC!

Petr Nejedly created the game as an experiment to see what could be done with the VEX IQ platform outside of robotics. He says, “I have coded it ad-hoc in one night. The code is pretty … short, not really pretty. 233 lines including (rare) comments.” When we spoke through email he mentioned that game is currently not random at all. “So, my son came to me, that he has an improvement to the program. That I should use this random() function, it will be more fun to play … Teachable moment! We have discussed, how a computer, a very exact instrument that always follows the same instructions and in fact only moves numbers here and there, come up with random numbers. What is a PRNG and how you have to seed it (srand()), what are real sources of randomness and what kind of issues such a lack of true randomness could cause in real world, besides lack of fun.” At this point, Petr said he would like to leave the actual fix to the curious readers/programmers out there to see what they can do with it. (Let us know if you do!)

Check out the game in action here:

Petr was nice enough to share the souce code, which you can download here. You can also read the original VEX IQ forum discussing the project here.

Do you have a cool ROBOTC project you want to share with the world? If so, send us an email at socialmedia@robomatter.com and we’ll post it on our blog and social media pages!

Written by Cara Friez-LeWinter

December 3rd, 2015 at 6:15 am

VEX ROBOTC Online Trainings Start in February!

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VEX Teacher Training

Carnegie Mellon’s Robotics Academy has announced their latest online VEX ROBOTC training schedule! The classes start in February and you can enjoy the convenience of taking Robotics Academy courses without leaving your own computer workstation! 

Register for one of their ROBOTC VEX classes today!

 
Benefits of Robotics Academy Online Training Courses:

  • Convenient online training gives you access from home or your school via the Internet.
  • Online access to supplemental lessons from other Robotics Academy materials.
  • Technical support for all hardware and software used in the class.
  • At the end of the course, take the certification test to become a Robotics Academy Certified Instructor.
  • Certificate of Completion upon course completion to apply for Continuing Education hours.
  • 24/7 access to class forums and message boards (monitored daily)


Robotics Academy Certified ROBOTC Online Training for VEX CORTEX

VEXROBOTC

This course focuses on learning how to program CORTEX robots, and how to use robotics as an organizer to teach STEM (Science, Engineering, Technology, and Mathematics) concepts. Included with the course is online access to the Robotics Academy’s ROBOTC Video Trainer for CORTEX for one month starting the first day of class.

Feb 23rd – Mar 29th, 2016
Tuesdays for 6 weeks
6 – 8pm EST (3 – 5pm PST)

 


Robotics Academy Certified ROBOTC Online Training for VEX IQ

VEXIQROBOTC

This course focuses on learning how to program IQ robots, and how to use robotics as an organizer to teach STEM (Science, Engineering, Technology, and Mathematics) concepts. Included with the course is a free copy of the VEX IQ curriculum (upon completion).

Feb 22nd – Mar 28th, 2016
Mondays for 6 weeks
6 – 8pm EST (3 – 5pm PST)
 

Register for one of their ROBOTC VEX classes today!

 

Written by Cara Friez-LeWinter

November 18th, 2015 at 6:05 am

The VEX and VEX IQ Programming Skills Challenge for Robot Virtual Worlds

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VEX RVW

Robomatter, VEX Robotics, and the REC Foundation are excited to present low cost, high quality virtual competitions that enable students to test their problem solving and programming skills in the VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World Competitions. And, not only do these virtual competitions provide a great learning experience, you could qualify for the 2016 VEX Worlds!

This Year’s Games

Both games simulate the single-player Robot Skills and Programming Skills modes of the physical Nothing But Net and Bank Shot competitions.

In the Nothing But Net Robot Virtual Worlds Competition, your goal is to program your virtual robot to put as many balls as you can in the Low and High goals, and by Elevating Robots in your Climbing Zone.

 

For the Bank Shot Robot Virtual Worlds Competition, your robot will need to pick up balls and make some tricky bank shots! The object of Bank Shot is to attain the highest score by Emptying Cutouts, Scoring Balls into the Scoring Zone and Goals, and by Parking Robots on the Ramp. There are a total of forty-four Balls available as Scoring Objects in the game, with one Scoring Zone, one Goal, and one Ramp on the field.

Winners Qualify for VEX Worlds!

splash-image_RECF

The winners of the Robomatter sponsored VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World competition will receive an invitation to the VEX World Championship April 20-23, 2016 at the Kentucky Expo Center in Louisville Kentucky!

Important Deadlines:

  • Submissions for both contests are due by March 1, 2016.
  • Winners will be announced on March 11, 2016!

To learn more about the VEX and VEX IQ Programming Skills Challenge for Robot Virtual Worlds, visit www.robotc.net/recf and visit www.cs2n.org/competitions to sign up!

Written by LeeAnn Baronett

November 17th, 2015 at 6:00 am

Cool Project: VEX IQ Game of Simon

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Cool ProjectDamien Kee, a VEX IQ Super User, designed a really cool and creative Game of Simon using a VEX IQ Smart Brain, three Touch LEDs, and programmed with ROBOTC.  He says, “This is my version of the Game of Simon for the VEX IQ. The TouchLED’s are an awesome input/output device that is just so natural to use. Programmed in ROBOTC and designed to be used as a way of teaching / reinforcing the concepts of arrays, in less than 100 lines of code.”

Check out the video below that shows it in action …

 

 

For a more detailed breakdown of the code, visit his website here. Damien also is sharing his code for others to use, which you can download here! (He just asks that if you do use it, please acknowledge and forgive any errors.)

Do you have a cool ROBOTC project you want to share with the world? If so, send us an email at socialmedia@robomatter.com and we’ll post it on our blog and social media pages!

Written by Cara Friez-LeWinter

November 2nd, 2015 at 6:00 am

Competing for the Future: Developing a Life-Long Interest in STEM, Part II

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Competing

Well designed competitions engage students in a range of activities, address academically challenging concepts, and teach important 21st century skills. But, these benefits don’t have to be limited to organized competitions. You can also get all of the benefits of a competition, right in your classroom!

Last week, Part I of our Competing for the Future blog talked about using virtual competitions, like our VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World Competitions, as a way for your team to compete virtually. This week, we explore how you can use virtual competitions in your classroom to provide a unique and challenging learning experience for all students!

RVW's VEX Nothing But Net

RVW’s VEX Nothing But Net


Step 1: Choose your competition type (simulation or fantasy)

The first step is to choose the type of competition you’d like to use in your classroom. Do you want to use a simulated competition, like the ones that they use in FIRST or the RECF competitions, do you want your competition to take place in a fantasy environment (underwater, outer space, on an island), or do you want to create your own competition?

Are you using LEGO or VEX?

LEGO and VEX are the two most widely used robotics competition platforms and there are great reasons to use both. The Robot Virtual Worlds team has a large selection of LEGO and VEX competitions for you to choose from:

RVW's LEGO Urban Challenge

RVW’s LEGO Urban Challenge

You can download each of these games from the Robot Virtual Worlds Download Center.

Palm Island Game

Palm Island Game

Another option is to use one of the Robot Virtual Worlds fantasy worlds. These worlds are more playful and have specific goals built into them. You can choose from:

  • Palm Island – Designed to teach and reinforce introductory and intermediate programming concepts involving sensor based robot movements.
  • Operation Reset – Programmers are assigned to recharge all of the Communication Towers in the colony of Alpha Base H99, a robotic crystal mining colony near the galactic center of the Milky Way.
  • Ruins of Atlantis – Designed to teach and reinforce introductory programming concepts such as path planning and encoder based movements.
Level Builder

Level Builder

Or, you can create your own competition using the Robot Virtual Worlds Level Builder and Model Importer. With an easy-to-use, drag-and-drop interface, the Level Builder makes it as easy to create a virtual challenge as it is to create a physical challenge out of classroom materials. The Level Builder provides a 12’x12′ square field on which to design your competition. It also provides several objects – from cans and boxes to line tracking tiles – that you can use to design challenging, unique, and fun competitions!

Model Importer

Model Importer

The Robot Virtual Worlds Level Builder also comes with a Model Importer that allows you to create and import your own 3D models! With the model importer, you can also modify objects to make them an unmovable object, a perilous obstacle, or a necessary checkpoint.

Step 2: Determine the rules of your competition

Regardless of whether you create your own competition or use an existing Robot Virtual World, the rules and structure of your competition will allow you to customize the experience for your class, or even for individual students. (This can also be something you discuss with your students and determine together.)

Here are a few things to consider:

  • When will the competition start?
  • Is this an individual competition, or can students work in teams?
  • What type of documentation do you want students to turn in?
    • Does the code need to be commented?
    • Do the programmers need to show pseudocode?
    • Do the programmers need to explain their use of variables and functions?
  • When does the competition end?
  • What does it take to win the competition?

Step 3: Get Ready

Once the rules are set, there are just a few more things to take care of before the competition starts:

  1. Start by installing Robot Virtual Worlds on all students’ machines. Visit our Download Center to get the latest version.
  2. If you’re using one of our Robot Virtual Worlds, such as Palm Island, Ruins of Atlantis, or Operation Reset, make sure you’ve installed that on the students’ machines as well. Visit our Download Center for the latest version of each Robot Virtual World.
  3. Make sure all students understand the competition rules
  4. Get ready to rumble and have fun! 

Need a Few Ideas for Using a Competition in Your Classroom?

With the ability to use an existing Robot Virtual World or create your own challenges, the options for in-class competitions are endless. Here are a few competition ideas if you need a little help deciding what to do:

  • Create a competition using the Palm Island Robot Virtual World by assigning points to the completion of certain tasks.
  • Create a competition that requires students to use a loop and the light/color sensor in a line tracking competition where students need to program their robots to follow a line as fast as possible. Here’s a Teachers POV blog post about the benefits of using this type of competition in your classroom, whether it’s with physical or virtual robots.
  • Robo-Slalom! Use the use the Robot Virtual Worlds Level Builder and Model Importer to create a slalom course that students must complete by programming a robot that can move along the outside of each flag. The robot’s path must prevent it from touching any flag, and allow it to cross the finish line as fast as possible.
  • You can also use a game like VEX IQ Beltway to create an in-class competition.
  • Here’s a Teacher POV blog post about how one teacher created a competition that challenged students to apply the basics of ROBOTC programming while also asking them to come up with unique strategies to try to score as many points as possible in a 2 minute game.

Written by LeeAnn Baronett

October 22nd, 2015 at 6:00 am

Competing for the Future: Developing a Life-Long Interest in STEM, Part I

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LiveCareer Quote
A few weeks ago, we published an infographic that illustrates the STEM Problem: there are more and more STEM jobs out there, but fewer and fewer candidates who are qualified to fill them. But, taking a look at the job market shows that employers need more than employees who simply understand science, technology, engineering or math.

Degrees and credentials are important, but the development of soft skills—skills that are more social than technical—are a crucial part of fostering a dynamic workforce and are always in high demand.”[i]

Today’s job market needs graduates who excel in the areas of Science, Technology, Engineering, and Mathematics (STEM), and who also excel in the areas of teamwork, communication, creative problem solving, project management, critical thinking, and leadership. Research shows[ii] that competitions are a fun and exciting way to combine STEM with the development of 21st century skills.

This is part one of a series of articles that will show how easy it is to host a competition at your school, in your classroom, in a club, or at your home! Over the next few weeks we will continue this article and suggest teacher-tested strategies that enable you to teach many of the competencies that you can teach via competitions and project based learning via a Virtual Competition.

Why Competitions?

IMG_7431Competitions are generally multifaceted and require participants to engage in a range of activities. Well designed competitions address academically challenging concepts and teach important 21st century skills like: research, ideation, prototype development, design reviews, presentations, and iterative design-develop- and test cycles, just to name a few. Competitions involve contextualized activities that enable kids to develop the soft skills that employers crave: leadership, written and oral communication, the ability to think on your feet, and the ability to present and defend your ideas. In competitions, these skills are nurtured in a fun and easy-to-understand manner, helping students develop competencies that they’ll use in college and future careers.

IMG_7441Research shows that after participating in competitions, students are more likely to take on additional STEM classes in high school and pursue STEM degrees and careers. Teachers also report that students who have participated in competitions are more comfortable using computers than students who haven’t participated in competitions.[iii] Research also shows that competitions increase students’ professional skills, like understanding the value of teamwork and the role of “gracious professionalism.” Competitions also increase students’ self-confidence, with 89% of students reporting more self-confidence after being part of a competition team.[iv] These are just a few of the reasons we’re big supporters of competitions and competition teams.

Compete Virtually, From Anywhere

splash-image_RECF
Our goal is to support education with multiple toolsets that engage and teach at the highest level. But, we know it can be difficult to find the requisite resources to start a team and travel to competitions, especially with the very real resource constraints so many schools face. That’s why we’ve partnered with the REC Foundation to create the VEX and VEX IQ Programming Skills Challenge for Robot Virtual Worlds!

Robomatter, VEX Robotics, and the REC Foundation are really excited about presenting low cost, high quality virtual competitions that enable students to test their problem solving and programming skills in the VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World Competitions. And, not only do these virtual competitions provide a great learning experience, you could qualify for the 2016 VEX Worlds!

This Year’s Games

3Both games simulate the single-player Robot Skills and Programming Skills modes of the physical Nothing But Net and Bank Shot competitions.

In the Nothing But Net Robot Virtual Worlds Competition, your goal is to program your virtual robot to put as many balls as you can in the Low and High goals, and by Elevating Robots in your Climbing Zone.

F3or the Bank Shot Robot Virtual Worlds Competition, your robot will need to pick up balls and make some tricky bank shots! The object of Bank Shot is to attain the highest score by Emptying Cutouts, Scoring Balls into the Scoring Zone and Goals, and by Parking Robots on the Ramp. There are a total of forty-four Balls available as Scoring Objects in the game, with one Scoring Zone, one Goal, and one Ramp on the field.

Winners Qualify for VEX Worlds!

The winners of the Robomatter sponsored VEX Nothing But Net and VEX IQ Bank Shot Robot Virtual World competition will receive an invitation to the VEX World Championship April 20-23, 2016 at the Kentucky Expo Center in Louisville Kentucky!

Important Deadlines:

  • Submissions for both contests are due by March 1, 2016.
  • Winners will be announced on March 11, 2016!

To learn more about the VEX and VEX IQ Programming Skills Challenge for Robot Virtual Worlds, visit www.robotc.net/recf and visit www.cs2n.org/competitions to sign up!

Announcing the 2016 REC Foundation & Robomatter Scholarship!

REC Foundation Robomatter Banner
Because Robomatter is so committed to advancing STEM education, we’re pleased to partner with the REC Foundation to offer one $5,000 scholarship to a high school junior or senior who will be pursuing a STEM degree in college! The deadline to apply is January 31, 2016. Learn more about the The 2016 REC Foundation & Robomatter Scholarship by reading our blog (link to blog) or visiting the REC Foundation website.

 

 

[i] “Careers | Top 10 Soft Skills in Demand | LiveCareer.” LiveCareer. LiveCareer.com, n.d. Web. 08 Oct. 2015. <http://www.livecareer.com/career-tips/career-advice/soft-skills-in-demand>.

[ii] Robotics Competition: Providing Structure, Flexibility, and an Extensive Learning Experience – http://users.csc.calpoly.edu/~jseng/papers/grimes_seng.pdf

[iii] The Impact of Participation in VEX Robotics Competition on middle and high school students – http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&ved=0CDcQFjADahUKEwj9nJmlkq7IAhXE_R4KHRpxC3Q&url=http%3A%2F%2Fwww.asee.org%2Fpublic%2Fconferences%2F8%2Fpapers%2F2994%2Fdownload&usg=AFQjCNGeCaxBzSsxmeyN7jMVLlaOFwFIXA&bvm=bv.104317490,d.dmo

[iv] More that Robots: An evaluation of the FIRST Robotics Competition – http://www.usfirst.org/uploadedFiles/Who/Impact/Brandeis_Studies/FRC_eval_finalrpt.pdf

 

ROBOTC 4.50 for VEX Robotics Available Today!!

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ROBOTC 4-50 VEX

The ROBOTC Development Team is very excited to announce our latest update, ROBOTC 4.50. This update is for the VEX Robotics (VEX EDR CORTEX and VEX IQ) robotics systems and includes new features, functionality and a load of bug fixes.

Click here to download 4.50!

Important Setup Information for ROBOTC 4.50:

VEX IQ Users:

  • Run the “VEX IQ Firmware Update Utility” and update your VEX IQ Brain to firmware version 1.15.
  • Also update your VEX IQ Wireless Controller and any other VEX IQ Devices (sensors, motors).
  • After updating to the latest VEX IQ Brain firmware, install the latest ROBOTC firmware from inside of ROBOTC.

VEX Cortex Users (with Black VEXnet 1.0 Keys):

  • You will need to update your VEX Cortex and VEX Game Controllers with Master Firmware Version 4.25 from inside of ROBOTC.
  • After updating the master firmware, you will also have to update the VEX Cortex with the latest ROBOTC firmware.

VEX Cortex Users (with White VEXnet 2.0 Keys):

  • The new VEXnet 2.0 keys have a specific “radio firmware” that you will need to upgrade to enable “Download and Debugging” support. You can download the VEXnet Key 2.0 Firmware Upgrade Utility here.
    • Download the “VEXnet Key 2.0 Firmware Upgrade Utility” and insert your VEXnet 2.0 key to any free USB port on your computer. Follow the instructions on the utility to update each key individually. All VEXnet 2.0 keys must be running the same version in order to function properly.
  • After updating your VEXnet 2.0 keys, you will need to update your VEX Cortex and VEX Game Controllers with Master Firmware Version 4.25 from inside of ROBOTC.
  • After updating the master firmware, you will also have to update the VEX Cortex with the latest ROBOTC firmware.

ROBOTC 4.32 —> 4.50 Change Log:

General new features:

  • Graphical blocks can now be copied, cut and pasted

Copy Paste

  • Graphical actions, such as adding, deleting and moving a blocks, changing parameters and their values can be undone and redone.
  • The Graphical repeat and while blocks values can now be adjusted without a keyboard using spin buttons.

Number Scroll
Color Loop
VEX new features:

  • Added support for the new VEX IQ Smart Radio in ROBOTC Firmware (for use with iOS applications)
  • Added Smart Radio based User Messaging system (for use with iOS applications)

General fixes:

  • Large amounts of data in debug stream no longer causes debugger to hang.
  • Fixed issue when mixing PLTW building licenses with other license types.
  • When changing the motor type in the Motor and Sensor Setup utility, the additional parameters, such as PID, drive side, encoder type, are reset to their default values.
  • UAC prompt now appear only once for installing multiple RVW packages.

RVW Package Manager

  • The toolbar buttons are sized to the individual content, instead of the largest one.
  • Recursive pre-compiler statements are correctly identified and no longer crash the IDE.
  • The Graphical block library’s expansion/collapse state is now preserved when switching between files.
  • LineTrackLeft help text has been corrected.
  • Fixed issue of undefined entries in text libraries.
  • Hover over text for NL text commands no longer has artifacts.
  • Building licenses now check and update their local status whenever an active internet connection is available.
  • Fixed issue with the Advanced RBC file saving adding an additional “rbc” to the file name.
  • Opening RBC/RBG files with “download on open” no longer prompts for save and add a “00#” to the end of the file name.
  • Fixed issue where the “Advanced save as macro” feature did not load RVW options correctly.
  • Joystick issue with Graphical and Natural Language fixed;’ waitUntil(), displayButtonValues() and displayControllerValues() now function correctly.

VEX bug fixes:

  • Fixed issue where IQ Graphical playSound() block dropdown displayed internal values.
  • VEX IQ displayButtonValues does not display correct value in RVW.

Happy Programming!

Written by Cara Friez-LeWinter

August 27th, 2015 at 8:16 pm