Gas station without pumps

2020 October 5

First Zoom lab

Filed under: Circuits course,Uncategorized — gasstationwithoutpumps @ 20:25
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I had my first remote lab session today, using Zoom to supervise pairs of students working from home.  It went more smoothly than I expected, but not perfectly.

I had pre-assigned lab partners to groups using a CSV file, following the instructions at  A couple minutes into the lab time, when most of the students had shown up, I opened the breakout rooms, and everyone managed to get into their rooms.

Except those students who showed up late—they had to be manually assigned to their rooms, and of course they did not remember what group number they were in, so I had look for them in my list of email addresses (which was not easy, because the name they were showing on the screen might have no more than 1 letter in common with their email address).  I wish that Zoom could remember the pre-assignment even for those who are late!

Once I finally got everyone into their breakout rooms, I started going from room to room, looking over the shoulders of the students and asking if they had any questions.  On the second or third room, the students couldn’t get screen sharing to work (though others had in other rooms).  I tried setting all the screen sharing options, but nothing seemed to work.

I left that group to answer a question in another room, which also turned out to be about screen sharing, but reactivating it for them worked!  So I went back to the room that first had trouble, and reactivated screen sharing for them, and this time it worked.

After that I mostly answered questions for a group until some other group asked for help, then I moved over and answered questions there.  It was very similar to the experience I had with the live labs, except that it was hard to see their breadboards.  Most of the questions were about setting up Waveforms on the Analog Discovery 2 to collect the data or about gnuplot scripts to plot and model the data.

A couple of times students had to quit Zoom and re-enter, and I had to reassign them to their breakout rooms.  It turns out that this can be done while in a breakout room, so I did not have to go back to the main room. Again, I wish Zoom could remember their assignments!

There were a few times when I was free to float between breakout rooms, and I think I managed to touch base with each group at least once, but I’m not 100% sure of that.

I was pretty burned out after 2 hours of being constantly “on”, but that is not so different from a usual lab session.  I did not, however, feel like recording another video tonight.

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