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by WiFive
Fri Sep 22, 2017 9:01 pm
Forum: ESP32 HDK
Topic: GPIO13 overridden by SD card... which we desperately need
Replies: 4
Views: 60

Re: GPIO13 overridden by SD card... which we desperately need

Gpio 34 is an input only so I don't think it could drive the line to affect a scope trace.
by WiFive
Fri Sep 22, 2017 8:52 pm
Forum: General Discussion
Topic: Buying ESP parts
Replies: 2
Views: 44

Re: Buying ESP parts

Yes. You are getting the information from espressif sales directly right?
by WiFive
Fri Sep 22, 2017 7:42 am
Forum: ESP32 SDK
Topic: EFUSE read/write VDD_SDIO from user application
Replies: 18
Views: 267

Re: EFUSE read/write VDD_SDIO from user application

What sdk version are you using?
by WiFive
Fri Sep 22, 2017 5:59 am
Forum: ESP32 SDK
Topic: EFUSE read/write VDD_SDIO from user application
Replies: 18
Views: 267

Re: EFUSE read/write VDD_SDIO from user application

You mean if you then reflash it at 1.8v over uart it works fine or is there a chance the flash is damaged?
by WiFive
Thu Sep 21, 2017 7:01 pm
Forum: ESP32 HDK
Topic: GPIO13 overridden by SD card... which we desperately need
Replies: 4
Views: 60

Re: GPIO13 overridden by SD card... which we desperately need

You are using 1-bit mode? Are you sure this isn't because the pin is configured as a jtag pin at boot and you have to reconfigure it as a gpio before you use it?
by WiFive
Tue Sep 19, 2017 6:51 am
Forum: General Discussion
Topic: Use of GPIO34 - 39 for I2C?
Replies: 4
Views: 443

Re: Use of GPIO34 - 39 for I2C?

Yes via gpio matrix not io_mux
by WiFive
Tue Sep 19, 2017 3:11 am
Forum: General Discussion
Topic: Where can I purchase high quality ESP32 development boards with the most recent version of silicon (rev 1, I believe)?
Replies: 44
Views: 707

Re: Where can I purchase high quality ESP32 development boards with the most recent version of silicon (rev 1, I believe

This thread is developing a very clickbaity, keyword spammy, infowarsy character.

BREADBOARD HATING CEO UNFIT, MUST GO! DOZENS OF NEWBIES PROTEST! COMPANY DOOMED!

there we go.
by WiFive
Mon Sep 18, 2017 8:07 pm
Forum: General Discussion
Topic: Where can I purchase high quality ESP32 development boards with the most recent version of silicon (rev 1, I believe)?
Replies: 44
Views: 707

Re: Where can I purchase high quality ESP32 development boards with the most recent version of silicon (rev 1, I believe

Official hardware catalog is easily found at: http://espressif.com/en/products/hardware The complaint that silicon revisions are hard to identify is valid. The fact that the official devkitc and other similar boards do not fit a standard breadboard is unfortunate, but mostly constrained by the footp...

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