Whatever it is, it's related to RPis talking to a Davis Logger via
USB. I have a couple of powered USB hubs lying around. I can try putting
one of them on in the next day or so . . . now that you mention it, I
never had any trouble with an RPi 3. However, it did/does manifest
itself on three different RPi 4s. I'll report back when I have results
using a powered hub.
- Paul VE1DX
On 2022-05-18 11:14 a.m., Tom Keffer wrote:
I don't know that it's a "timing issue," but it could certainly be a
power issue.
The USB power supplies for many RPis can be barely adequate. In
particular, the RPi 4 uses a lot of power. It doesn't take much for
the power to sag, resulting in errors.
>snip<
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