ESP32 (D0WD) instability

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Joined: Sun Jan 06, 2019 12:42 pm

Re: ESP32 (D0WD) instability

Postby PanicanWhyasker » Fri Jan 11, 2019 4:34 pm

@jcsbanks, thanks for the pointer, I will try that very soon.

@mikemoy, fair point, I will try that when possible. I'm thinking about just wrapping the whole device in 2-3 layers of aluminium foil, that's probably good enough for the test, what do you think?

Posts: 264
Joined: Fri Jan 12, 2018 9:10 pm

Re: ESP32 (D0WD) instability

Postby mikemoy » Fri Jan 11, 2019 5:16 pm

This is what I would try. Get yourself some Copper Foil Tape. Like this. ... at%20Price

Put your gizmo in a plastic box. Wrap the plastic box with this tape, overlapping the edges if you need to use multiple lengths.
You can then solder a wire to the copper tape and ground it to the vehicles ground.

Edit: I just thought of this. Can you whip up what your trying to do using ESP32 module instead of the board you made. This might shed some light on if your PCB is susceptible to the EMI or not. I mean if the ESp32 module also resets then you can probably lean toward its a big EMI blast that you need to deal with and not so much your PCB.

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