Search found 708 matches

by rudi ;-)
Mon Mar 27, 2017 8:55 pm
Forum: General Discussion
Topic: Pulse Counting and sleeping
Replies: 17
Views: 391

Re: Pulse Counting and sleeping

ULP pulse counting example is now in ESP-IDF master: https://github.com/espressif/esp-idf/tree/a6e4e895920d2bae3cbe34c61b89ee42770d5fa8/examples/system/ulp With a 20ms sampling interval average supply current is 10uA. nice work ivan! short test: ------------- rst:0x5 (DEEPSLEEP_RESET),boot:0x13 (SP...
by rudi ;-)
Mon Mar 27, 2017 6:15 pm
Forum: General Discussion
Topic: [Q] esp32 embedded flash version
Replies: 1
Views: 38

[Q] esp32 embedded flash version

D → Dual-core 0 → No internal flash W → Wi-Fi D → Dual-mode Bluetooth Q → Quad Flat No-leads (QFN) package 6 → 6 mm × 6 mm package body size (QFN 48 pads) 5 → 5 mm × 5 mm package body size (QFN 48 pads) hi guys, we noted a long time ago from john lee , that there are variations on all of these, Dual...
by rudi ;-)
Mon Mar 27, 2017 4:48 pm
Forum: General Discussion
Topic: which new "esp" 8 pin ic is this on the new esp32 modul? ;-)
Replies: 22
Views: 1262

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

hi jeroen, hi angus 64M SOP8 LY68S6400 1.8V there comes in june 32M SOP8 version "LY68S3200S" just in time not listed only for your eyes - just in time list: what you think? the difference in datasheet becomes only 64M -> 32M what you think? my question is: can we use the now available 64M...
by rudi ;-)
Mon Mar 27, 2017 3:58 pm
Forum: Showcase
Topic: NES emulator on an ESP32
Replies: 18
Views: 1987

Re: NES emulator on an ESP32

hi

if you lookup in the pdf shematic of wrover

screen_Z320IT010.jpg
screen_Z320IT010.jpg (56.16 KiB) Viewed 27 times


you see Z320IT010 and it is a 240RGBx320 3.2" screen sheet from here

hope this helps
best wishes
rudi ;-)

edit:
look up 1

look up 2
by rudi ;-)
Mon Mar 27, 2017 11:19 am
Forum: General Discussion
Topic: Pulse Counting and sleeping
Replies: 17
Views: 391

Re: Pulse Counting and sleeping

hi ivan,
thanks for fast response and fixed - now ok.
best wishes
rudi ;-)
by rudi ;-)
Mon Mar 27, 2017 10:11 am
Forum: General Discussion
Topic: Pulse Counting and sleeping
Replies: 17
Views: 391

Re: Pulse Counting and sleeping

ULP pulse counting example is now in ESP-IDF master: https://github.com/espressif/esp-idf/tree/a6e4e895920d2bae3cbe34c61b89ee42770d5fa8/examples/system/ulp With a 20ms sampling interval average supply current is 10uA. hi ivan only for info fetch with sub modules fails just in time ( helped by hand ...
by rudi ;-)
Mon Mar 27, 2017 9:22 am
Forum: General Discussion
Topic: code about gatts set value,is empty
Replies: 2
Views: 36

Re: code about gatts set value,is empty

HI I once posted a topic about gatts write attr value:https://www.esp32.com/viewtopic.php?f=2&t=1437 The function "esp_ble_gatts_set_attr_value" doesn't work. Then i find that the code about "gatts write attr value" is empty in btc_gatts.c line 534. So have ESP32 teams finis...
by rudi ;-)
Mon Mar 27, 2017 12:21 am
Forum: ESP32 HDK
Topic: wrover kit shematic V2 "SD Card"
Replies: 2
Views: 54

Re: wrover kit shematic V2 "SD Card"

hi Angus

txs for fast reply
I thought this into thoughts, cause gpio12, but was not sure.

yes can confirm, here sd card example works without modifikation on wrover.

thank you!

best wishes
rudi ;-)
by rudi ;-)
Sun Mar 26, 2017 11:44 pm
Forum: Report Bugs
Topic: I2C SCL frequency 10% less than it should be at 400kHz
Replies: 39
Views: 974

Re: I2C SCL frequency 10% less than it should be at 400kHz

I2C0 https://github.com/espressif/esp-idf/blob/master/components/esp32/include/soc/soc.h#L167 https://github.com/espressif/esp-idf/blob/master/components/esp32/ld/esp32.peripherals.ld#L9 I2C1 https://github.com/espressif/esp-idf/blob/master/components/esp32/include/soc/soc.h#L181 https://github.com...
by rudi ;-)
Sun Mar 26, 2017 9:40 pm
Forum: ESP32 HDK
Topic: wrover kit shematic V2 "SD Card"
Replies: 2
Views: 54

wrover kit shematic V2 "SD Card"

hi guys after several times doing sd card things i have a time to look up on the shematic detailed and see, that DATA2 is not pulled up ( NC ) Wrover_sd_Card.png i wounder me, is this cause GPIO12 or do we not need to pull up this line. i remind to me, that ivan talked, we must pulled up all lines (...

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