[TriEmbed] Best esp32 board w a few constraints

[Josh Wyatt]

Surprised OSH park doesn't already have the footprint on hand...
-j

On Mon, Nov 15, 2021 at 1:47 PM Pete Soper <pete at soper.us> wrote:

> Thanks again, Josh. I appreciate it. Got to go with the Adafruit huzzah
> lib 'cause of time. Actually, I'm in trouble and need somebody(s)  good
> with Eagle to swing by and help if possible. I was expecting OSH Park to
> say I could get it to them tomorrow. Another mistake.
>
> -Pete
>
> 919 270 9433
>
>
>
> On 11/15/21 13:39, Josh Wyatt wrote:
>
> 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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