I have this 8" VGA display to use with my Altairduino and Raspberry Pi (neither of which I have time to fool with now). I thought it might make a nice display for NotePlan, so I can be reminded of what I’m working on, make a quick note, etc. without having to cmd-tab to NP, arrange windows, etc.
That’s kind of a cool display. Is it worth the hassle to connect it to the Mac as a secondary monitor, as opposed to just using something like an iPad?
It was for me 
I tried sidecarring my iPad briefly, but found the iPad was always in the wrong place. If I wanted it on the Mac, it was in the living room, and if I wanted it in the living room, it was tethered to the Mac.
At about $73 I don’t know if I would buy it just for this purpose, but since I had it in a box, I thought I would put it to use.
My only complaint is it goes blue, rather than sleeping, when the Mac turns off its display.
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I will repurpose my 2018 iPad Pro 12.9 for this instead of selling it whenever I upgrade to a newer model. Most of the time it sits under my screens as a sidecar display, but I still move it around for reading and media consumption.
I connected just such a small monitor to my Mac mini today, to do something similar. And I too had it for a Raspberry Pi project and thought I would try it out. My problem is that I use spaces, and I do not see any way to exempt one monitor from the spaces.
My situation is that I have three large monitors which move from space to space in concert. I do not want this little monitor to change spaces but I do not see how to do that.
Any suggestions?
Thanks.
Welcome!
I don’t use Spaces, so I can’t help.
Hopefully someone else will chime in.
Thanks. I think I’ve found a solution.
It seems that if you assign an application to “All Spaces”, which can be done by right clicking on a application icon in the Dock, and then selecting Options > All Desktops it does what I want it to do.
I am happy. 
Thanks again.
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