[TriEmbed] Best esp32 board w a few constraints

Josh Wyatt dragojdw at gmail.com
Mon Nov 15 12:39:36 CST 2021


Negative on the eagle, I apologize.

But I found these:
https://grabcad.com/library/mh-et-esp32-d1-mini-eagle-1
https://easyeda.com/search?wd=esp+wemos&indextype=components

Thanks,
Josh

On Mon, Nov 15, 2021 at 1:30 PM Pete Soper <pete at soper.us> wrote:

> Sorry for the confusion. Do you have an Eagle lib for this? Have to upload
> to OSH Park by 6pm.
>
> THANKS!
>
> Pete
> On 11/15/21 13:21, Josh Wyatt wrote:
>
> The link I shared was for ESP32 boards. What I was trying to convey (and
> maybe was miscommunicated, yay email!) is that these linked ESP32 boards
> seem to follow a form factor and convention of prior/historical ESP8266
> boards, and therefore bring some additional consistency. I attached a
> screenshot of the page that loads for me, from that Amazon link.
>
> Thanks,
> Josh
>
> On Mon, Nov 15, 2021 at 1:16 PM Peter Soper <pete at soper.us> wrote:
>
>> Thanks very much, Josh. Agree with point about pin conflicts. But did i
>> go to the wrong page? I want to use an esp32 not 8266. This is for the
>> "0.01" versuon of the community project board.
>>
>> Nov 15, 2021 1:11:29 PM Josh Wyatt <dragojdw at gmail.com>:
>>
>> This is sort of an indirect response to your question, but my experience
>> is that the more complex and "featured" the dev board, the less consistent.
>> For example, for boards with onboard 18650 battery holders and Liion
>> charger, OLED display, and even onboard LEDs will be on different I/O
>> ports. So my guidance would be to choose the simplest boards available,
>> which is sort of antithetical to the "dev board" concept.
>>
>> I've had pretty good luck with consistency on the "wemos esp8266 clone"
>> boards, presumably because the Wemos D1 mini became very established with
>> the 8266; search on amazon for "esp32 d1 mini." Here's a link:
>> https://www.amazon.com/Bluetooth-Internet-Development-Functional-Ardu-ino/dp/B08MFCC4SR/?th=1
>>
>>
>> You mentioned soldering footprint, and that one's not super friendly; but
>> it should be pretty consistent since the design tries to adhere to the
>> original ESP8266 Wemos D1 Mini form factor.
>>
>> You mentioned Amazon specifically, so I assume you're prototyping?
>>
>> Thanks,
>> Josh
>>
>> On Mon, Nov 15, 2021 at 11:38 AM Peter Soper via TriEmbed <
>> triembed at triembed.org> wrote:
>>
>>> What esp32 dev board soldering footprint should be used on a board
>>> combining this with other stuff where it has to be 1) obtainable reliably
>>> 2) offer wifi and BT and 3) be cheap? I see many cheap on amazon. Are their
>>> pinouts de facto standard? And finally, anybody got an Eagle lib for this
>>> board? Or could you make and send me an .lbr for it?
>>> Thanks in advance.
>>> Pete
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