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University of California, Los AngelesDepartment of Physics and Astronomy
Katsushi Arisaka
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3 weeks 2 weeks 2 weeks 3 weeks
• 1,200 students /year• 1st year• Physical Science• Engineering
Mechanics
E&M, Sound
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Revision of Physics Labssince Summer 2019
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Overview of New Physics 4 Labs
ØIntegration of three steps:§Physics Laws à Prediction§Modern Hardware à Arduino§Modern Software à Python (Jupyter Notebook)
ØProject oriented:§No more cookbook-like manual§No more pre-wired hardware§Based on hypothesis
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ELEGOO UNO R3 Project Super Starter Kit
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$36
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Vertical Mass-Spring system
Ultrasonic Distance Sensor+ Accelerometer + WiFi
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Robot Car Project
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Ultrasonic Distance Sensor
+ Accelerometer + WiFi on Robot Car
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Remote Online Labsin Spring 2020
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Key Concepts for Remote Operation
ØFlipped Lab§ Zoom breakout rooms§ Arduino setup at home§ Weekly check list
ØAsynchronous Operation§ Well defined prelab – Short video clips§ Out-of-lab training – Python programming
ØGroup Activities§ Group reports§ Final group projects
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Integration of 10 Online Resources
ØOnline Communication Tools: § Homepage: Hub of public contents § CCLE: Hub of secure contents, E-mails§ Zoom: Online labs, Breakout rooms for group activities§ Gradescope: Report submission, grading§ Campuswire: Informal communication, Q&A
ØGoogle-based Resources:§ Google Drive: Shared data & files among students and TAs§ Google Slides: Weekly Lab Instructions§ Google Sheets: Weekly Checklists§ Google Docs: Group Reports § Google Forms: Survey, Big data collection
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4AL/4BL joint Friday TA meeting (~3 hours)
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Figure 6. A snapshot of the Zoom room from one of the Friday weekly TA meetings in Spring 2020. All the TAs and LAs for Physics 4AL/4BL are present in this picture.
Figure 7. The Lead TA of Physics 4BL, Javier Carmona, is running his morning section at his home.
10 TA + 10 LA
Lead TAInstructorDeveloping TA
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Physics 4BL – Javier teaching AC Circuit by Arduino
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Figure 6. A snapshot of the Zoom room from one of the Friday weekly TA meetings in Spring 2020. All the TAs and LAs for Physics 4AL/4BL are present in this picture.
Figure 7. The Lead TA of Physics 4BL, Javier Carmona, is running his morning section at his home.
20 – 30 students /sectionTotal 22 sections
TA Javier teaching at home
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Students setting Arduino
at home
Activities at students’ Home
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Weekly structure of Outline of Course Instructions➢ Pre-Lab (~1 hour)➢ 1st In-Lab (Mon/Tue) (2 hours)○ Setting up Arduino○ Initial data taking○ Plotting
➢ Between-Labs (~1 hour)➢ 2nd In-Lab (Wed/Tue) (2 hours)○ More data taking○ Analysis & Significance
➢ After-Lab (by the next Sun) (~4 hours / 2 weeks)○ Group Report
April 13 - 17, 2020 UCLA Physics Department 15
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Example of Weekly Checklist
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Example from Week 2 – 4AL
Monday 8 -10 am
(Snapshot at 9 am)
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Week 2: V-I Curve of LED by “Arduino - DMM”
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Current
Voltage
Red LED
Yellow
Blue
Green
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Week 7: RLC Damped Oscillation observed by ”Arduino Oscilloscope”
Audio InRLC Circuit
Note: R is internal to the inductor
4.7k Ohm Resistor
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Week 7: RLC Damped Oscillation by ”Arduino Oscilloscope”
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Final Presentations (106 groups, 486 students)
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Students’ Survey Results
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Arduino/Python is useful and fun to learn?
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Arduino
Python
Yes!No!
Yes!No!
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Difficulty and Workload are appropriate?
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Difficulty
Workload
Too difficult
Too muchToo low
Too easy
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Students’ Suggestions and CommentsØ You all are doing great, by far the most fun class I have this quarter, thank you for all the effort you
guys have been putting into this, I figure it's got to be really hard putting together a remote lab, but you guys are doing a pretty dang good job :)
Ø I think this course is a great improvement over the previous 4AL/4BL. We are learning marketable skills with Arduino and Python and the course development team is very receptive to feedback and constantly tries to make the class better. Thank you!
Ø The videos demonstrating how to use python and how to set up experiments have been extremely helpful, especially to someone like myself who has no experience with this as I've not taken 4AL.
Ø I actually enjoy going through the python code and writing code for the Arduino. As one who does not have too much coding experience nor like coding as much, it's actually beneficial to go line by line for me to understand what is going on in the program.
Ø Labs are more enjoyable than regular classes because they are less intense and more hands-on.Ø I'm having fun with this lab class!! I like how everything seems appropriate and the extra optional
things you allow for the more advanced students to explore, or for those who finish early. Thank you!!
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June 10, 2020