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  1. Thanks, Michael! I did do a search, but did not...

    Thanks, Michael! I did do a search, but did not see these posts. I'll check these out...thanks again!
  2. T3.6 and T4 Compatibility problem with XPT2046 and Audio Shield

    It appears that T4 has a compatibility problem with the Audio Shield and the XPT2046 library. The library touch screen controller is hardwired to pin 11 for MISO and the audio adapter uses pin 11 for...
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    Where is the RP driver and which display uses it?...

    Where is the RP driver and which display uses it? And it works with the T4?
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    BuyDisplay has several larger displays, of which...

    BuyDisplay has several larger displays, of which we've used the 5" and 7" with the graphic image shown about. Both use the RA8875 library with the SPI interface. They downside is they are pretty...
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    mjs513: Thanks! The image above was used with the...

    mjs513: Thanks! The image above was used with the RA8875 library and it works well. I did not know that it had been updated for the T4. I have been following the work by KurtE, which strongly...
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    I have the T3.6 working with several displays,...

    I have the T3.6 working with several displays, but not the T4 with a 480x320 display. Here's an image of my use of a T3.6 with a 5" display:

    17761

    I could use the extra horsepower of the T4 if...
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    T4 with 480x320 displays?

    I want to use the T4 in a book project, but cannot seem to find a library for the higher-resolution (480x320) displays. I can use any of the ili9481 ili9468, ili9488, hx8357, or r61581 controllers,...
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    @Theremingenieur: Thanks for the information and...

    @Theremingenieur: Thanks for the information and link! It looks like I have some digging around to do...
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    Max I/O current for 4.0

    I'm sure this has been stated somewhere, but I can't find what the maximum current draw can be on a 4.0 I/O pin
  10. We ended up with a very nice DSP project as an...

    We ended up with a very nice DSP project as an addition to the µBITX amateur radio transceiver. The Teensy 3.6 and the audio board handle all of the touch screen tasks, digital processing, IF and...
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    I am using Teensy 3.6 under Win 10 and when using...

    I am using Teensy 3.6 under Win 10 and when using Arduino IDE 1.8.7, my code (fairly large at 210K) compiles just fine. However, if I attempt to compile the same project with Version 1.8.8, it aborts...
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    Thanks, Paul. I did not know that. I was pretty...

    Thanks, Paul. I did not know that. I was pretty sure it would be a flat-forehead mistake...
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    Teensy 3.6 EEPROM issue

    I am using a Teensy 3.6 under Win 10. No matter what variable I try to write to EEPROM, its value is not coming back correctly during a read. The following short program illustrates my problem:

    ...
  14. defragster: Thanks for noodling my problem. I do...

    defragster: Thanks for noodling my problem. I do have one interrupt in the code which works in conjunction with a rotary encoder, but that interrupt does not come into play with anything in the...
  15. I have a list of symbolic constants for all of...

    I have a list of symbolic constants for all of the variables that are kept in EEPROM. The "factory settings" start at offset = 200 while the "user settings" are offset = 400. The screen calibration...
  16. Michael: Actually, I'm just using the union to...

    Michael: Actually, I'm just using the union to abstract from the Endian problem, if any, across platforms. Another discovery today: using this to work with the same union as above:



    ...
  17. Paul: I have been tracking a "bug" for three days...

    Paul: I have been tracking a "bug" for three days now (I'm not that good) and it concerns writing/reading EEPROM. I have a union:


    union {
    byte array[6];
    int num;
    long bigNum;
    float...
  18. Thanks, Paul. I should be okay with the default...

    Thanks, Paul. I should be okay with the default settings.
  19. Since the EEPROM is simulated in Flash, what is...

    Since the EEPROM is simulated in Flash, what is the approximate write cycle lifetime for the EEPROM on the 3.6? My application is used in an amateur radio application where I need to store frequency...
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    RA8875 with 3.6 and touch debounce

    I am using the 5" display (resistive) from East Rising with the RA8875 library and have it working...sort of. The problem is that when I touch a button, it responds correctly, but then quickly reads...
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    I have the RA8875 library working with 3.6 using...

    I have the RA8875 library working with 3.6 using a 5" resistive touch screen and everything works pretty well. However, whenever I draw a YELLOW rectangle, the top, bottom and left legs are YELLOW,...
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    Thanks, Defragster. We are still experimenting...

    Thanks, Defragster. We are still experimenting with the 2.8" but it's a little "dense" for all the stuff we're sticking on the display. We're also testing the idea of paging in a second page for...
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    I find this puzzling. As popular as the Teensy...

    I find this puzzling. As popular as the Teensy 3.5/6 are, other than Paul's display (which I have), I cannot get any vendor to say they have a graphics library that works with their display. First, I...
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    Michael: I replied once and thanked you then, but...

    Michael: I replied once and thanked you then, but I don't see it here. Anyway, I have since ordered one and we'll see how it works out. Thanks again!
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    Thanks, Michael. I'll give one a try.

    Thanks, Michael. I'll give one a try.
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    I've been looking for a Teensy 3.5 (or 3.6)...

    I've been looking for a Teensy 3.5 (or 3.6) library for a 3.5" 480x320 display or the 5" 800x420 display from BuyDisplay.com. I do have Paul's display and library, but I want to use a touch screen...
  27. Thread: No COM port

    by econjack
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    I have seen code similar to that for the Due. ...

    I have seen code similar to that for the Due.

    Thanks, Kurt.
  28. Thread: No COM port

    by econjack
    Replies
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    I did as you suggested and a COM port was...

    I did as you suggested and a COM port was available. I wrote a short program:


    void setup() {
    // put your setup code here, to run once:
    Serial.begin(9600);
    Serial.println("Hello World");...
  29. Thread: No COM port

    by econjack
    Replies
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    703

    I'm not sure about the serial driver, but my...

    I'm not sure about the serial driver, but my Driver Manager says the driver is up to date. I do have antivirus software running, so I turn that off, reinstall and see what happens.

    Merci! Thanks...
  30. Thread: No COM port

    by econjack
    Replies
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    703

    No COM port

    I've just installed the Beta version of Teensyduino 1.41 with the Teensy 3.5. I'm using Win 7 and Rel. 1.8.5 of the Arduino IDE. It appears that the installation of the Teensyduino software was...
  31. Thanks, Paul, you're right. I donated even before...

    Thanks, Paul, you're right. I donated even before the download just because of the volume of work that must have been involved in writing it.

    Jack, W8TEE
  32. I'm new to this Forum, so forgive me if this is...

    I'm new to this Forum, so forgive me if this is an old question. Being new, I do not know the URL for some of the libraries being discussed and where I can go to downloaded them, like:

    #include...
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