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Thanks Phil, I do have the proper 5" display, so after building the main board and testing it with the 5" display, then I'll try it with the 7" Thanks for your detailed advice. Best regards, John

John First point - The display Normally used for T41 have the RA8875 controller, not RA8876. Second point - As mentioned by Terrance the post on PJRC forum speculates RA8876 and LT7683 controllers

My fat fingers...I missed the last "6". When I said RA887 I meant RA8876. According to the website, it said the ones I ordered today are the RA8876. Well see, however, I am interested to see if we can

That post is actually referring to the RA8876 *not* the RA8875. From here ( https://www.buydisplay.com/7-inch-1024x600-tft-touch-shield-for-arduino-capacitive-touch-screen ) on the BuyDisplay?

I went ahead today and ordered two 7" RA887, 4-wire SPI, with Capacitive touch. Hopefully, the tariff won't kill me. Larry, you said that you use the LS7683 controller display on your T-41 radio. How

Jack- No, because Buy Display said it was compatible with the RA8875 and I didn't want to deviate from the T41 software.? I also have had it running the K7MDL software which is also written for the

Did you check for an LT7683 library? Jack, W8TEE

Ok… I just don’t have any experience with the LT part. It may, in fact, work… Has anyone tried it that can report? Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ

I have an LT7683 chip on the Buy Display board that I bought 1 or 2 years ago.?? If I recall correctly, Buy Display said it was compatible with the RA8875.? The board does run the T41 software and

I doubt it… no telling how different the RA8875 and LT7683 chips/ libraries are. You should use a display that has an RA8875 controller chip and SPI connections. Dr. William J. Schmidt -

As long as the board uses a RA8875 controller chip… it will work no matter what it is.. Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner -

Has anyone bought one and tried it? Jack, W8TEE

This post ( https://forum.pjrc.com/index.php?threads/recommendations-for-10-tft-display-with-touchscreen-for-teensy-4-1.75666/#post-348223 ) over on the PJRC forum speculates the two controllers are

Looks like it will be a lot of work, even if I can find a LT7683 library for the Teensy4.1???

Thanks Bill and Phil, The BuyDisplay China office was quick to send me the datasheet for the three displays that I purchased. I have uploaded them here at Files>BuyDisplays DataSheets. I am trying to

John Owens K1JO <johnowenschina@...> added folder */BuyDisplays DataSheets*

“but it the layout of the board is different than the one they sent me” ??? Then its probably a different REV than whats on the sheet. I’m not sure that matters. I have multiple 5” and

The display driver kits will work with any display that is SPI interfaced. Dr. William J. Schmidt - K9HZ J62K(J68HZ) 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ VP2EHZ Owner - Operator Big

Hi John Does your board look like this: This board is the 7", type 5 ver4. Does the Big Chip on yours have RA8875 stamped on it? It's possible the display you ordered has the wrong controller -

Hi Bill, Hope you have a nice trip. Yeah, one of those PDFs is the one I downloaded from the BuyDisplays site but it the layout of the board is different than the one they sent me. Best regards, John