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  1. It is possible, but you must have a TFT handy...

    It is possible, but you must have a TFT handy that allows you to present the graph in real time, but your array must also be capable of processing the amount of data you want to show, perhaps a...
  2. Try to get the FFT function to respond with the...

    Try to get the FFT function to respond with the correct settings. The audio signal should be on A2, it even works without the audio shield. If there is something wrong with it let the experts clarify...
  3. I have used this sequence to "hear" the audio...

    I have used this sequence to "hear" the audio signal


    AudioInputAnalog adc1;
    AudioOutputI2S i2s1;

    This is the configuration sequence that has worked in the FFT analyzer...
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    Sticky: From W11-22H2 insider preview 29083 TL 1.57...

    From W11-22H2 insider preview

    29083

    TL 1.57 perfectly functional on IDE 200-rc9. Thank you Paul and your team of professionals, who keep us interested in the project
  5. Backlight: 29033

    Backlight:

    29033
  6. You could try with this screen in its touch...

    You could try with this screen in its touch version ST7735
  7. How to perform a simultaneous reading of A2 (for FFT) and A14 (for a NTC sensor)?

    I want to use a teensy 4.1 to be able to monitor the audio signal from the PC obtaining it's approximate FFT.

    Since I recently installed liquid cooling for the processor and video card of the PC,...
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    How small is this world! jejeje. I found a couple...

    How small is this world! jejeje. I found a couple of those MSGEQ7 chips in DIP8 format. After reviewing many assemblies on the net, I found the most suitable circuit, consider 3 smd 104 capacitors,...
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    I found this repository with an adaptation of the...

    I found this repository with an adaptation of the ILI9341 library to handle the GC9A01 driver. Try using it on your screen:

    https://github.com/PaintYourDragon/Adafruit_GC9A01A
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    Maybe if you change SPI_MODE3 to SPI_MODE0 in the...

    Maybe if you change SPI_MODE3 to SPI_MODE0 in the DEV_Config.ccp file

    To fine-tune the speed of the SPI port, consider using the SPI.beginTransaction statement, after SPI.begin()

    For example:...
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    3.2" ILI9341 (SPI) size: 5.6 x 9.8 cm

    3.2" ILI9341 (SPI) size:
    5.6 x 9.8 cm
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    Exploring windows 11 on a computer that in theory...

    Exploring windows 11 on a computer that in theory should not support it ...

    Teensy 3.6 online, IDE 1.8.16, teensyduino 1.56-beta2

    26187
  13. That type of ILI9341 screen does not have a touch...

    That type of ILI9341 screen does not have a touch panel. Photo of the back of your TFT or link to the site where you purchased it
  14. Awesome device, congratulations. The teensy 3.6...

    Awesome device, congratulations. The teensy 3.6 has an accessory to which USB devices can be connected:

    https://www.pjrc.com/store/cable_usb_host_t36.html

    You will have to look at the examples...
  15. In this case, as in other similar ones, you have...

    In this case, as in other similar ones, you have to connect wire by wire again, you have to check the continuity to ensure that any of them is not broken.

    You also have to check the welds on the...
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    Trying to catch the ball in the air ... does it...

    Trying to catch the ball in the air ... does it work for teensy 4?
  17. You can use this combination in teensy 4 or 4.1...

    You can use this combination in teensy 4 or 4.1
    - ILI9341_t3
    - XPT2046_Touchscreen
    - JPEGDEC
    - SD or SdFat
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    I refer to the TFT, there are some that have a...

    I refer to the TFT, there are some that have a chip dedicated to pixel management, it is generally incorporated into the PCB in addition to the screen's controller chip itself. The advantage is that...
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    In arduino, a TFT needs to have a graphics chip...

    In arduino, a TFT needs to have a graphics chip that is in charge of managing each pixel.

    The EVE 4 chips, specifically the BT817, could be a close option, the 10.1 "version has a 1280x800...
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    It is possible that with the most recent version...

    It is possible that with the most recent version of SdFat beta you can use the 256 Gb memory.

    I have a 128 Gb microSD installed in the GPS and it works very well

    24806

    24807

    24808
  21. The Neo7 that has worked very well is similar to...

    The Neo7 that has worked very well is similar to the Neo8 you have:
    GPS NEO-7M

    A version of the Neo6 that also works is this:
    Neo6 (GT-U7)

    Since the SMA connector is fragile, these spare...
  22. It works perfectly, much better than with the...

    It works perfectly, much better than with the built-in antenna. The external antenna is complementary, nothing has to be removed.

    PD: by the way, the Neo7s are much better, a pair of Neo8s have...
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    Paul some questions on the code: 1) What...

    Paul some questions on the code:

    1) What frequencies could cover the range 0-20 that you propose in the vector?

    for (int i=0; i < 20; i++)

    2) If it were zoomed in between 2-135 bins, would...
  24. When we work on TFT's that do not have a...

    When we work on TFT's that do not have a dedicated graphics processor, we must "mask actions so that they appear immediate" on the screen. We can achieve this by duplicating screens, whose difference...
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    If you are going to program your teensy 4.1 with...

    If you are going to program your teensy 4.1 with the external power supply still connected, you will damage your precious teensy.

    A phrase that has been said in the forum is more than eloquent:...
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    Some alternatives are somewhat more expensive and...

    Some alternatives are somewhat more expensive and at first they were very limited with what could be obtained from them, without forgetting the learning curve, however, after some time I think I have...
  27. It is not that complicated, the first thing is to...

    It is not that complicated, the first thing is to get the touch panel to work using SPI. Then comes the calibration. The rotation of the screen must be considered and obtain the corresponding...
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    There is the detail: you come from the AVR-5V...

    There is the detail: you come from the AVR-5V environment. The teensy 4.1 you must use it with another approach, you must use an intermediate chip if you want to continue using the components you...
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    Windows 10 x64 V 20H2 Arduino IDE 1.8.13 ...

    Windows 10 x64 V 20H2
    Arduino IDE 1.8.13

    GD23ZUTX runs without issues at this moment. SdFat with the SDIO reader of the teensy 4.1 runs very fine, like a well greased motor.

    ...
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    I take advantage of the query, since I consider...

    I take advantage of the query, since I consider that it goes in the same direction: external source for teensy 4.x.

    How bad is it to connect an external source directly to the microUSB connector,...
  31. Like I said: Saint Google doesn't know...

    Like I said: Saint Google doesn't know everything. Thanks for sharing your knowledge.

    I have been rechecking all the GPS code that I am building for work, I used a teensy 3.6 with the idea that...
  32. To take advantage of the topic started by...

    To take advantage of the topic started by manes6969, I took what I learned.

    I moved towards improving the code for the GPS with what was exposed here. Previously I used only float, because the use...
  33. In teensy 3.6 it doesn't work, but in teensy 4 it...

    In teensy 3.6 it doesn't work, but in teensy 4 it does:

    https://www.mediafire.com/convkey/2ff7/k9j6nw2fsr4kdg7zg.jpg


    double XLat, YLong; //sensor
    XLat= 1.00000001; YLong= 1.000000005;...
  34. Ups, sorry Paul!, THX test again!

    Ups, sorry Paul!, THX test again!
  35. It's fine when you define the double variable, as...

    It's fine when you define the double variable, as in:

    double Lat = 1.00000001L
    But when that value comes from another source, such as some data thrown by a sensor or by some previous...
  36. Could you share how your sketch finally turned...

    Could you share how your sketch finally turned out?
  37. THX KurtE. These screens are very fussy about...

    THX KurtE.

    These screens are very fussy about the use of the Reset pin; to avoid headaches I suggest connecting to a separate RESET and DC pin on the second screen.

    So far none of the...
  38. In the header you could use something like this...

    In the header you could use something like this to define the two screens:


    #define TFT_RST 8
    #define TFT_DC 9
    #define TFT_CS 10

    #define TFT_RST2 21
    #define TFT_DC2 20
    #define...
  39. It seems to me that you can connect the two...

    It seems to me that you can connect the two displays in SPI1, you just have to use different CS and generate two control instances in the header, for example tft_1 and tft_2
    ...
  40. THX Excuse my novice question, but how do you...

    THX

    Excuse my novice question, but how do you install the hardware, that is, do you have a basic arrangement to test the operation of the library you have designed?
  41. I have looked inside the skecth on which the...

    I have looked inside the skecth on which the reading sequence of the video file in RAW format is plotted. The key is this function:


    drawImage (0, i * nl + j + (statMode> 0? 0: 4), lcd.width (),...
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    THX Paul. I put these lines at the beginning...

    THX Paul.

    I put these lines at the beginning of the SD.h file:


    // Use FILE_READ & FILE_WRITE as defined by FS.h
    //#ifdef FILE_READ
    #if defined(FILE_READ) && !defined(FS_H)
    #undef FILE_READ...
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    Thanks for your constant work on improving the...

    Thanks for your constant work on improving the working environment for teensy boards. Great effort.

    I am getting familiar with the ILI9488_t3 library and the settings to SdFat. Today I was...
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    Interesting project that you have considered....

    Interesting project that you have considered. From experience, the learning curve that you are about to start will inevitably lead you to explore other types of screens.

    Although it is a common...
  45. You must install the teensyduino 154-beta 3 or...

    You must install the teensyduino 154-beta 3 or the 154-beta 3
  46. Upload a link to see which screens you purchased.

    Upload a link to see which screens you purchased.
  47. Offtopic: To upload bmp images to your HX8357,...

    Offtopic:
    To upload bmp images to your HX8357, use the attached sketch. Allows uploading the image from the SDIO reader of the teensy 4.1, also use the SdFat Beta library instead of the SD library....
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    Well, well!. We have again some issues with the...

    Well, well!. We have again some issues with the SPI lines of the teensy 4.

    First I think we should know how to start SPI2 on the teensy 4. However, on this board, SPI2 is addressed to the SDIO...
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    Certainly, the spacing between the pads meant...

    Certainly, the spacing between the pads meant that I will not weld all the wires together, I took my time to relax my pulse. I used the wires from an old IDE cable that was stored in the drawer and...
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    I adjusted the dial example to match the physical...

    I adjusted the dial example to match the physical dimensions of the NHD-43 TFT.


    #include <GD23ZUTX.h>

    //Aguja indicadora
    int Centro=272/2; //AE8.png, 400x400 px, Centro=400/2
    float...
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