Im surprised no one is trying to bring politics into this. rofl.... On a serious though, Raspberry Pi's are very powerful mini computers that run Linux. I believe they can be reformatted to run an IOT version of Windows even. Great for DIY automation, but lack any true analog control such as 0-10V or 4-20ma. balenaFin has a variation of the Pi that does have expansion boards for 4-20ma control though.
this is not tech news
I still don't know what a raspberry pi is.
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