Search found 990 matches

by rudi ;-)
Mon Jul 17, 2017 10:34 pm
Forum: General Discussion
Topic: Strange capture of I2C on logic analyzer
Replies: 8
Views: 144

Re: Strange capture of I2C on logic analyzer

like WiFive mentioned, use 3.3V as VCC cause ESP32 is 3.3V here is the datasheet of DS3231, side 2: the VCC is tolerant from 2.3V .. 5.5V, and typically 3.3V FYI: if you use an Arduino and DS3231 Breakout Board you can connect the DS3231 to the Arduino by 5V if the Arduino is a 5V, otherside if the ...
by rudi ;-)
Mon Jul 17, 2017 10:31 pm
Forum: ESP32 SDK
Topic: ESP32 PSRAM support
Replies: 66
Views: 3882

Re: ESP32 PSRAM support

Stable, no crash? Try for 80mhz? You have another wrover-kit to measure difference in power consumption? is the KIT/esp-idf up2date for 80 Mhz and psram combine? :) #yes will do a patch and test# but earliest after wednesday :) edit: forget to answere the top question: yes - i think it is stable - ...
by rudi ;-)
Mon Jul 17, 2017 9:33 pm
Forum: Showcase
Topic: Kickstarter project using ESP32
Replies: 3
Views: 143

Re: Kickstarter project using ESP32

loboris wrote:Very informative, even the link included !

:mrgreen:

seopyoon wrote:Hello guys,
...
Go check it out!! ESP32 rocks.


Hi seopyoon, we need a link to check this out
have you started the kickstarter or comes this later?

best wishes
rudi ;-)
by rudi ;-)
Mon Jul 17, 2017 9:17 pm
Forum: General Discussion
Topic: need clarification on time stamp and batch
Replies: 1
Views: 86

need clarification on time stamp and batch

Hi guys do you can inform us in detail what is mean with the second mark on the SoC we know, the first is the week and year and we thinked allways, the second mark is the batch of "die" but today i saw in wrover kit in the wrover modul the same batch on a different time stamp i got on SoC'...
by rudi ;-)
Mon Jul 17, 2017 7:09 pm
Forum: Sample Code
Topic: ESP32-Doom available
Replies: 9
Views: 1917

Re: ESP32-Doom available

@Jeroen Wrover Kit V3 SoC 112017 PCKA36 1.8V Flash removed 1.8V PSRAM removed 3.3V Flash soldered 3.3V PSRAM 64Mbit soldered MTDI ( IO12 ) pulled down for VDD_SDIO 3.3V DOOM compiled, flashed and it work's ets Jun 8 2016 00:22:57 rst:0x1 (POWERON_RESET),boot:0x1e (SPI_FAST_FLASH_BOOT) flash read err...
by rudi ;-)
Mon Jul 17, 2017 7:08 pm
Forum: ESP32 SDK
Topic: ESP32 PSRAM support
Replies: 66
Views: 3882

Re: ESP32 PSRAM support

Hi few weeks ago i got an email, that there is a guy, that have request samples from a PSRAM manufacturer and if there comes samples, then he will share if they send more as one :) it was a long time cause one time the trader has shipped on wrong address and not to the guy. so the manufacturer must ...
by rudi ;-)
Sun Jul 16, 2017 4:18 pm
Forum: General Discussion
Topic: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)
Replies: 111
Views: 7161

Re: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)

.. Need warning: Do not try to make QPI device into SDIO device (by imagination) :!: .. where you know my imagination thinking? :mrgreen: Actually would be helpful to have SPI_IO0-3 labels too +1 btw. now i know, why the most did wrong on SD Card implemention on start. they did think this silkscree...
by rudi ;-)
Sat Jul 15, 2017 9:30 pm
Forum: General Discussion
Topic: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)
Replies: 111
Views: 7161

Re: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)

FYI ( SD_DATA0.. )

12.png
12.png (105.56 KiB) Viewed 74 times


Side 12, 13, 14
sprufh5b.pdf
(372.24 KiB) Downloaded 3 times


best wishes
rudi ;-)
by rudi ;-)
Sat Jul 15, 2017 8:55 pm
Forum: General Discussion
Topic: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)
Replies: 111
Views: 7161

Re: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)

@rudi You forgot about https://esp32.com/viewtopic.php?f=12&t=634 ? Wrover module on that lyra is probably just old design rev @WiFive you are full right! and you have understand what i wanted to say with this SD_Data0...IO[1] i have not remember me on this thread from Charles - cause i overflo...

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