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Hi Projectitis and KrisKasprzak,
thanks for your replies. Right now, I don't have the time to put up pix or a video. I'll try and put up some pix over the next few days.
Projectitis, looked at the...

Hi everyone,

I have written a library that (I think, at least) markedly simplifies managing a simple graphical user interface on the ILI9341 and similar. It so far written expressly for Teensy 3.5...

Thanks for the link. Hardware reset is easy to implement, and seems to have been at least partially helpful. Hopefully, if this library works, more to come.

I am working on a library for the ILI9341 and I am making a lot of changes to code and to some information on an SD card. When I push the reset button on the Teensy, I am finding that the display...

Hi KurtE,
Yes, an additional library was the problem. I was a bit surprised that the offending library was in C:\Program Files (x86)\Arduino\libraries than in my \Documents\Arduino\libraries...

Hi all,
Simple question.
Trying to use some of the example sketches for the SD card functionality on Teensy 3.6. Comments indicate that I need to set the chipSelect variable to BUILTIN_SDCARD....

Thank you. I thought perhaps there were known parameters, but I guess each one of the little guys is different.

Hi all,
I'm using the color touchscreen display and am making good progress. When I look at the raw numbers of touch point coordinates, they clearly have no relationship to the underlying pixel...

MichaelMeissner,
After some fiddling around, I discovered that the Wire library indeed works as you describe. The first I2C bus is active on 18 and 19, and the DS1307 library works without...

Thanks tonton81 and KurtE. tonton81, you are absolutely right. I checked the i2c_t3 code more closely and the only change is at initialization. Both libraries are robust and helpful. Thanks again to...

Thanks. Not good news. Means the library would need a major rewrite.

Trying to use the real time clock library that connects to a DS1307. In my case, it is actually connecting to a DS3231. This is fine. The DS3231 uses the same instruction set and register addresses...

You are correct, it was the wiring, but not the error you suggested. Pin 13 is on the other side of the board, not adjacent to pin 12. Grrrr......
Thank you. Works just fine now.

Here it is--
9418

Hi all,
I'm far from the best hacker in the world, but I usually can get the examples to work. Trying to use the ILI9341 TFT/Touchscreen combo with both the adafruit and optimized PJRC libraries...