[TriEmbed] ESP32 Help

[Scott Hall]

I was just reading an article in the Jan issue of Elektor, where the author
mentions this:

    "The ESP32, like its ESP8266 brethren, produces a lot of noise on the supply
    line.  Good noise suppression is essential.  An additional capacitor can be
    added between the + and - of the supply.  A 100 uF capacitor is more than
    sufficient.  The ESP32 draws high peak currents (200 to 300 mA).  The USB
    interface cannot supply this much current.  This means you have to use an
    external power supply of sufficient size."

- sgh

On 01/28/2018 12:24 AM, Scott Hall wrote:
> You're in luck!!  Github discussion specifically on your question:
> "/5 Volts in my Laptop #31/"  https://github.com/Edzelf/ESP32-Radio/issues/31
>
> Also see: FreeIO.org "/ESP32 web server – Arduino IDE/"
> http://freeio.org/2017/04/esp32-web-server-arduino-ide/
>
> Don't forget Expressif's own forums: "ESP32 Arduino"
> https://esp32.com/viewforum.php?f=19
>
> There have been numerous articles on this in the electronics hobby magazines:
>
> Elektor Magazine, article posted on Nov. 15, 2017, 15:34 by Jens Nickel
> "/My Journey into the Cloud (20): The ESP32 creates its own Wi-Fi network/"
> https://www.elektormagazine.com/news/my-journey-into-the-cloud-20-the-esp32-creates-its-own-wi-fi-network?utm_source=Elektor+International+%28English%29&utm_campaign=d40d2578e6-Build_an_ESP32_websterver_25_RPi_s_up_fo11_16_2017&utm_medium=email&utm_term=0_23bd160f48-d40d2578e6-240518625&mc_cid=d40d2578e6&mc_eid=18946a19f1
>
> Elektor Magazine, review posted on Jan 8, 2018 by Clemens Valens
> "/Review: Espressif ESP32-PICO-KIT Getting Started Guide/" -- many useful links
> https://www.elektormagazine.com/news/esp32-pico-kit-boot-camp
>
> Elektor Magazine, published issue 9, 2017, pg 6, by Tam Hanna
> "/ESP32 for Power Users/" -- many useful links and tips
> https://www.elektormagazine.com/magazine/elektor-201709/40717
>
> -- also use Elektor's search as there are many other articles
>
> Nuts & Volts Magazine, July 2017 issue, by Craig Lindley
>
>
> Hackaday, article posted on Sep 15, 2016 by Elliot Williams
> "/ESP32 Hands-On: Awesome Promise/"
> https://hackaday.com/2016/09/15/esp32-hands-on-awesome-promise/
>
> - sgh
>
> On 01/27/2018 09:29 PM, Dwight Morgan via TriEmbed wrote:
>>
>> I just got an ESP-WROOM-32 and I’m having trouble just getting it set up. I’m
>> going through all the instructions for Arduino and Git but the serial port
>> refuses to show up. I read in one forum where it needs a separate power
>> source because the USB is not enough so I connected two AA batteries to the
>> 3v3 (for 3 volts) and ground along with the USB to load a simple sketch, but
>> no dice, no serial in the Arduino tools menu to select. I remember some time
>> ago seeing one of the Triembed meetings on the ESP32 but I can’t find it on
>> the website.
>>
>>  
>>
>> I hope somebody is using the ESP32 and can shed light on this problem. Any
>> help is appreciated.
>>
>>  
>>
>> Thanks,
>>
>>  
>>
>> Dwight
>>
>>
>>
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>
> -- 
> Scott G. Hall
> Raleigh, NC, USA
> ScottGHall1 at GMail.Com


-- 
Scott G. Hall
Raleigh, NC, USA
ScottGHall1 at GMail.Com

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