Quote:
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Originally Posted by Groth
If you can, pick a low power single supply amp and run it off your Vref (may require a beefier voltage follower); that way the ADC inputs are guaranteed be to be with bounds.
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Something like
this is what it is turning into. A bit of a Hydra. Cut out one component, two others grow back.
Two high resolution (<0.005 deg) low range channels for water In/Out, 4 low resolution (<0.025 deg) for three sensor fluxblock and die. One ammeter channel and one voltmeter channel. I think I am going to skip the digital in/outs but we'll see.
What a mess. Now to see if I can transfer this onto a PCB.
Opinions/corrections please.