[TriEmbed] TFT'S from Hamfest

Mon Apr 18 14:47:52 CDT 2022

Opps, I gave you the wrong project on GitHub.
Go here instead: https://github.com/cnobile2012/Python-TFT
~Carl

On Mon, Apr 18, 2022 at 3:45 PM Carl Nobile <carl.nobile at gmail.com> wrote:

> Just a heads up. I'm working on some Python libs that support the ILI9225
> and ILI9341 chips, maybe more TBD.
> The libs will work on the Raspberry Pi and most likely any MPU that
> supports MicroPython or CircuitPython.
> I'm currently working on the ILI9225 chip, it'll be about four or five
> months (my best guess for now) before I start working on the ILI9341 chip.
> I know this is not what you guys want right now, but I figured I'd put
> this out there.
> You can keep track of my progress on my GitHub account. The ILI9225 chip
> currently works on the RPi, but is still being tested.
> https://github.com/cnobile2012/python-thunderborg
>
> ~Carl
>
>
> On Mon, Apr 18, 2022 at 3:34 PM Trampas Stern via TriEmbed <
> triembed at triembed.org> wrote:
>
>> I think that pretty much sums up Arduino and Arduino libraries in
>> general!
>>
>> Arduino is great to get something working quickly but Arduino libraries
>> in my experience are full of bugs, err 'features'.  Hence If you want to
>> create something stable it is best to use arduino code and libraries as
>> educational examples.
>>
>> If there is an interest in this LCD I will order one and make up a sample
>> project and tutorial.  I even have some spare Cortex M0+ boards (ATSAMD21)
>> I can provide to those interested, so everyone is using the same processor.
>>
>> Trampas
>>
>>
>>
>>
>> On Mon, Apr 18, 2022 at 3:05 PM Pete Soper <pete at soper.us> wrote:
>>
>>> Unfortunately, the Adafruit library doesn't  play well with this
>>> display. Their ILI9341 driver (and/or how their GFX library works with it)
>>> has changed over the years and in some subtle  and this has caused it to
>>> stop being compatible. So the first URL is useful but the second is
>>> problematic.
>>>
>>> -Pete
>>> On 4/18/22 14:58, Trampas Stern wrote:
>>>
>>> I think this is the Seeed one:
>>> https://wiki.seeedstudio.com/2.8inch_TFT_Touch_Shield_v2.0/
>>>
>>> It appears to use the *ILI9341 *driver chip.  The ILI9341 chip is what
>>> you are talking to via the SPI interface to turn pixels on and off.
>>>  Adafruit has some examples and tutorials on how to use the ILI9341, note
>>> the adafruit lcd/board is different, but process should be similar:
>>>
>>> https://learn.adafruit.com/adafruit-2-8-and-3-2-color-tft-touchscreen-breakout-v2/spi-wiring-and-test
>>>
>>> Here is the ILI9341 datasheet:
>>> https://cdn-shop.adafruit.com/datasheets/ILI9341.pdf
>>>
>>> I have used the ILI9341 (as well as several other LCD controllers)  on
>>> past projects, so if anyone needs some help I will be happy to help.   If
>>> there is enough interest I would not mind setting up an online(zoom)
>>> tutorial session.
>>>
>>> In general if anyone needs help solving hardware or firmware problems,
>>> please let me know and I will do my best to help.
>>>
>>> Thanks
>>> Trampas
>>>
>>>
>>> On Mon, Apr 18, 2022 at 2:15 PM John Wettroth via TriEmbed <
>>> triembed at triembed.org> wrote:
>>>
>>>> It was the Wiki and was V2.0- brain fart on something else I was doing.
>>>>
>>>>
>>>>
>>>> https://wiki.seeedstudio.com/2.8inch_TFT_Touch_Shield_v2.0/
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> All worked well for me even with the very latest Arduino iDE (.19)
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> Regards,
>>>> John M. Wettroth
>>>>
>>>> E: jwet at mindspring.com
>>>> M: (919) 349-9875
>>>> H:  (984) 329-5420
>>>>
>>>>
>>>>
>>>> *From:* Pete Soper <pete at soper.us>
>>>> *Sent:* Monday, April 18, 2022 2:05 PM
>>>> *To:* jwet at mindspring.com
>>>> *Subject:* Re: [TriEmbed] TFT'S from Hamfest
>>>>
>>>>
>>>>
>>>> The displays from the hamfest are V2.0 but I'm excited this more recent
>>>> stuff is compatible. Could you point us to the web page(s) you found the
>>>> firmware resources on? I've poked around the Seeed github site and don't
>>>> see this. Or is it in their wiki?
>>>>
>>>> Pete
>>>>
>>>> On 4/18/22 13:33, John Wettroth via TriEmbed wrote:
>>>>
>>>> TFT Touch v4.2
>>>>
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>
> --
> --------------------------------------------------------------
> Carl J. Nobile (Software Engineer/API Design)
> carl.nobile at gmail.com
> --------------------------------------------------------------
>

-- 
--------------------------------------------------------------
Carl J. Nobile (Software Engineer/API Design)
carl.nobile at gmail.com
--------------------------------------------------------------
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