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by rudi ;-)
Mon Feb 10, 2020 11:29 am
Forum: General Discussion
Topic: Espressif CEO Letter 2020 || 乐鑫科技 CEO Letter 2020
Replies: 3
Views: 544

Re: Espressif CEO Letter 2020 || 乐鑫科技 CEO Letter 2020

Dear Folks, please have a note on this origin message by the CEO, Teo Swee Ann ... --- As Espressif is a company with their main offices in China, the recent coronavirus outbreak has affected us as well. Even though there is an obvious impact on the way we work, the blow is cushioned because we have...
by rudi ;-)
Wed Feb 05, 2020 12:58 pm
Forum: General Discussion
Topic: Espressif CEO Letter 2020 || 乐鑫科技 CEO Letter 2020
Replies: 3
Views: 544

Re: Espressif CEO Letter 2020

4 new chips :!: hi WiFive can be right, from my knowledge, which i read from ESP32-S2(USB-OTG) , ESP32-S3, ESP-S4(AI Instruction) and multi-cpu cores , ESP32-Sx ( more memory, BLE ) also perhabs ESP32V3 (aka ESP32 ECO3) counts (instead one of the list) the AI / multicore Version - i do not know so ...
by rudi ;-)
Tue Feb 04, 2020 10:18 pm
Forum: General Discussion
Topic: Espressif CEO Letter 2020 || 乐鑫科技 CEO Letter 2020
Replies: 3
Views: 544

Espressif CEO Letter 2020 || 乐鑫科技 CEO Letter 2020

Hi Folks, have a note, few important things we can read in the ( Newsletter ) ( 新闻通讯 ) Espressif CEO Letter 2020 Shanghai, China Feb 4, 2020 2019 has been an eventful year for Espressif, we thank our supporters, commercial customers and makers. In 2020, we continue to believe in our open source appr...
by rudi ;-)
Mon Jan 20, 2020 5:21 am
Forum: General Discussion
Topic: [Spotted in the Wild] ESP32-S2 Wrover and public FCC Reports 2AC7Z-ESP32S2WROVER
Replies: 7
Views: 1174

Re: [Spotted in the Wild] ESP32-S2 Wrover and public FCC Reports 2AC7Z-ESP32S2WROVER

hi folks

The HW was spotted in the wild :)

The production version of ESP32-S2-WROVER has landed and survived extreme temperature testing!
Coming soon to your neighborhood...

ESP32-S2-WROVER_pic_1.jpg
ESP32-S2-WROVER_pic_1.jpg (1.59 MiB) Viewed 364 times
ESP32-S2-WROVER_pic_2.jpg
ESP32-S2-WROVER_pic_2.jpg (1.13 MiB) Viewed 364 times
best wishes
rudi ;-)
by rudi ;-)
Wed Jan 15, 2020 8:09 pm
Forum: Hardware
Topic: Generating 12 MHz clock for external component
Replies: 5
Views: 708

Re: Generating 12 MHz clock for external component

also you can try this with little edit work to your wished 12MHz and other GPIO:
example how to generate 20MHz square wave at 50% duty on GPIO18.

best wishes
rudi ;-)
by rudi ;-)
Wed Jan 15, 2020 1:44 pm
Forum: Hardware
Topic: Generating 12 MHz clock for external component
Replies: 5
Views: 708

Re: Generating 12 MHz clock for external component

Hi, is it possible to generate 12 MHz clock signal on some ESP32-WROOM32 pin (to be used as square clock for external component) ? hi one possible way is , you can try APLL to generate a constant clock on a pin. look at 3.2.7 Audio PLL (s. 42 ) in the TRM clk_out.png you find more detailed things i...
by rudi ;-)
Wed Jan 15, 2020 12:50 pm
Forum: Hardware
Topic: [Reference Design] ESP32-SOLO-1-V1 Reference Design r1.1
Replies: 0
Views: 384

[Reference Design] ESP32-SOLO-1-V1 Reference Design r1.1

Hi Folks ESP32-SOLO-1-V1 Reference Design r1.1 ( cn ) ( en ) is online ESP32-SOLO-1 reference design resources, including schematics, PCB layout, gerber files, and BOM list. V1-r1.1 2020.01.15 ESP32-SOLO-1_Reference_Design.zip ESP32-SOLO-1C-V1 参考设计 r1.1 ESP32-SOLO-1C 模组参考设计,包括原理图、PCB 设计、gerber 文件和物料...
by rudi ;-)
Wed Jan 15, 2020 11:16 am
Forum: Hardware
Topic: [Reference Design] ESP32-DevKitC-V4 Reference Design r2.1
Replies: 0
Views: 397

[Reference Design] ESP32-DevKitC-V4 Reference Design r2.1

Hi Folks, ESP32-DevKitC-V4 Reference Design r2.1 is ( en ) ( cn ) online. also for history here attached ( en and cn should be the same ) Schematics, PCB layout, Gerber and BOM files of ESP32-DevKitC-V4. V4-r2.1 2020.01.15 esp32-devkitc-v4_reference_design.zip ESP32-DevKitC-V4 参考设计 r2.1 ESP32-DevKit...
by rudi ;-)
Sat Jan 11, 2020 2:20 pm
Forum: Documentation
Topic: [Documentation Preliminary] ESP32-S2 Technical Reference
Replies: 1
Views: 1144

Re: [Documentation Preliminary] ESP32-S2 Technical Reference

updated 2020 Jan 10 NOW V0.2 online: EN Added the following chapters: • Chapter 5 IO MUX and GPIO Matrix • Chapter 7 DMA Controller • Chapter 8 UART Controller Updated the configurations of eFuse-programming and eFuse-read timing parameters in Chapter 14 eFuse Controller. CN 增加以下章节: • 第 5 章 IO MUX 和...
by rudi ;-)
Mon Jan 06, 2020 10:06 pm
Forum: ESP32 IDF
Topic: [SOLVED] Example "eth2ap" do not compile
Replies: 10
Views: 585

Re: Example "eth2ap" do not compile

Hi checked it out for you: eth2ap example need esp-idf version v4.0-beta1 and up toolchain 2019_r1 success: sysop@xxxxx MINGW32 ~/esp/V4.0.1-beta/eth2ap $ make -j4 all Toolchain path: /opt/xtensa-esp32-elf_2019_r1/bin/xtensa-esp32-elf-gcc Toolchain version: esp32-2019r1 Compiler version: 8.2.0 Pytho...

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