[TriEmbed] Best esp32 board w a few constraints

Pete Soper pete at soper.us
Mon Nov 15 12:47:43 CST 2021


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 
> <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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