[TriEmbed] Nucleo 32 board cautionary tale

[Charles J. Lord, PE]

YIKES!! Good catch!

On Fri, Oct 2, 2020 at 9:15 PM Pete Soper via TriEmbed <
triembed at triembed.org> wrote:

> I just wasted a good chunk of a day chasing weird sensor behavior with a
> Nucleo STM32F031K6 board. After seeing three flavors of other misbehavior
> on top of the little detail of the sensor giving goofy measurements it
> occurred to me to look at the sensor chip power supply fed from the 3.3v
> pin of the dev board. What I found is shown below. The noise spikes are
> almost 5V. Swapping in another of the boards solved the problem.
>
> -Pete
>
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-- 
Charles J. Lord, PE, HKN
President, Blue Ridge Advanced Design and Automation
Past Chair, Vice Chair, IEEE WNC Section
Chair, IEEE NC Council
Chair, IEEE SoutheastCon Steering Committee
Co-Chair, IEEE SoutheastCon 2020
c.j.lord at ieee.org
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