Yes, I have seen CAN shields for Raspberry but they have all either been very expensive or only CAN 2.0b.
The SG Electronics ones are new to me and CAN FD for ā¬45 is very reasonable!
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For my relay use case maybe m4 feather is the way to go
Using a Pi Zero will make the entire experience painfully slow, even without using a webcam.
Replacing the Pi Zero 2W with a Pi 4 made a world of difference and saved my walls from any further forehead-related damage.
Yes, I have been painfully aware that the Pi Zero is too slow. I am actually using it in one setup but will replace it soon. The good news is that there are alternatives:
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