Search found 18 matches

by ESP_Lvxinyue
Fri Oct 19, 2018 10:53 am
Forum: Report Bugs
Topic: New Wroom-32 modules JTAG Problem
Replies: 2
Views: 684

Re: New Wroom-32 modules JTAG Problem

It seems like the initial firmware is interfering with JTAG pins.

Do you know what is the firmware flashed onto these new modules at factory, and why does it use JTAG pins?
by ESP_Lvxinyue
Mon Sep 17, 2018 3:12 am
Forum: Hardware
Topic: PSRAM/SD card/PICO D4
Replies: 5
Views: 541

Re: PSRAM/SD card/PICO D4

Hi,

You may try the following connection:

PICO <----> PSRAM
SD1 <----> SIO0
SD0 <----> SIO2
CLK <----> SCLK
CMD <----> SIO3
IO17 <----> SIO1
SD2/SD3 <----> CS#

Hope it'd help. Let me know if you have further questions. Thanks.
by ESP_Lvxinyue
Fri Sep 14, 2018 6:46 am
Forum: Hardware
Topic: Guidelines for external antenna layout
Replies: 11
Views: 3607

Re: Guidelines for external antenna layout

Hi I want to know how to connect an external antenna with an ESP32-wroom-32 as we have an application of light bulb in which the ESP32 module will go inside the aluminium body of the bulb. This will decrease the range/signal strength of the WiFi and BLE. So is it possible to solder an external on t...
by ESP_Lvxinyue
Mon Sep 10, 2018 4:32 am
Forum: Documentation
Topic: Document Requests
Replies: 33
Views: 18892

Re: Document Requests

Documentation of functions implemented in ROM would be also nice. Technical reference manual also does not correspond with ESP-IDF (many registers / register bits are missing). E. g.: ⋅  DPORT_APP_CACHE_CTRL1_REG is missing (it is according to ESP-IDF very important to work around a hardw...
by ESP_Lvxinyue
Tue Aug 14, 2018 8:51 am
Forum: Documentation
Topic: [Documentation Release] ESP32 Technical Reference
Replies: 33
Views: 28057

Re: [Documentation Release] ESP32 Technical Reference

Hi all, the TRM is now V3.6. The link remains the same: https://www.espressif.com/sites/default ... ual_en.pdf
by ESP_Lvxinyue
Tue Feb 27, 2018 7:04 am
Forum: Documentation
Topic: Document Requests
Replies: 33
Views: 18892

Re: Document Requests

Is there any written protocol specification for developing an ESP-TOUCH client? The documentation here https://www.espressif.com/en/products/software/esp-touch/resources talks a bit about how it works at a very high level, and the API for the ESP32 and ESP8266, but there's nothing really describing...
by ESP_Lvxinyue
Wed Feb 07, 2018 9:53 am
Forum: Documentation
Topic: GO TO WEBSITE for LATEST DOCUMENTS|请在官网下载最新文档
Replies: 6
Views: 31067

Re: GO TO WEBSITE for LATEST DOCUMENTS|请在官网下载最新文档

Hello, I cannot reach the latest documentation of API Reference. When will you fix it? http://gitdemo.readthedocs.io/en/latest/api/peripherals/uart.html Says: doxygenstruct: Cannot find class “uart_config_t” in doxygen xml output for project “esp32-idf” from directory: xml/ Hi there, check this lin...
by ESP_Lvxinyue
Fri Dec 29, 2017 5:14 am
Forum: Documentation
Topic: [Documentation Release] ESP32 Technical Reference
Replies: 33
Views: 28057

Re: [Documentation Release] ESP32 Technical Reference

Technical Reference is now V2.7. :D

PDF link to the latest (same as the link in the first post)

Several chapters were updated In V2.7.

Also, please subscribe for our documentation updates at: http://espressif.com/en/subscribe
by ESP_Lvxinyue
Fri Nov 24, 2017 6:29 am
Forum: Documentation
Topic: [Documentation Release] ESP32 Technical Reference
Replies: 33
Views: 28057

Re: [Documentation Release] ESP32 Technical Reference

Technical Reference is now V2.6. :D

PDF link to the latest (same as the link in the first post)

Chapter RMT and UART were updated In V2.6.

Also, please subscribe for our documentation updates at: http://espressif.com/en/subscribe
by ESP_Lvxinyue
Fri Nov 17, 2017 6:22 am
Forum: General Discussion
Topic: Popular articles
Replies: 0
Views: 5148

Popular articles

Hi all,

Below are some selected popular articles on the forum: