bizarre wave on GPIO0

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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Sat Nov 14, 2015 4:14 pm

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Last edited by wakky on Sat Nov 14, 2015 4:28 pm, edited 1 time in total.
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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Sat Nov 14, 2015 4:16 pm

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Last edited by wakky on Sat Nov 14, 2015 4:23 pm, edited 1 time in total.
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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Sat Nov 14, 2015 4:21 pm

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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Sat Nov 14, 2015 4:27 pm

My circuit is very simple. That has only 5V to 3.3V voltage regulator, R, C, LED, SW and wire.
When I observed the wave, I could't believe the wave.
It is reasonable that you can't believe this wave.
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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Sat Nov 21, 2015 6:27 am

Please watch the wave at the time of the reset, if you have an oscilloscope. Surely you are surprised.
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wakky
Posts: 13
Joined: Wed Sep 16, 2015 10:05 am

Re: bizarre wave on GPIO0

Postby wakky » Wed Jan 06, 2016 10:45 pm

same phenomenon.
viewtopic.php?f=6&t=1485
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