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Type: Posts; User: KrisKasprzak

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  1. @matrixRat -- I updated the setHandleSize() and...

    @matrixRat -- I updated the setHandleSize() and setHandleShape() methods to redraw upon a change. The handle will only be redrawn after the draw method (that way we're not painting handles before the...
  2. @matrixRat -- I never intended to change the...

    @matrixRat -- I never intended to change the handle shape after init but depending on your use case this may be easy to address. What are you truing to do? Are you trying to dynamically change the...
  3. @matrixrat, fixed up the library, let me know if...

    @matrixrat, fixed up the library, let me know if something doesn't work.

    ScreenX issue was a typo SceenX was accidentially used
    changed() was removed as I found a better way to managed telling...
  4. Let me look into this. member Changed() will be...

    Let me look into this. member Changed() will be easy to add back in, looking into ScreenX errror.
  5. yep, easy. I thought about doing this in v1.0,...

    yep, easy. I thought about doing this in v1.0, not sure why I didnt't

    Display.fillRect(293, 200 - (j * 3), Length, 2, GetColor( (MINTEMP + (inc * j)) ));
    // Display.fillRect(293, 200 -...
  6. MLX90640 Thermal Camera and a Teensy 4.0

    As you may recall. I built a thermal camera using and 8x8 sensor and a Teensy 3.2, and while my interpolate routing to scale the 8x8 up to 70 x 70 to smooth the display, 8x8 is, well eh.

    Melexis...
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    welcome home.... For digitalRead your ground...

    welcome home....

    For digitalRead your ground is fine. for analogRead you can use AGND, but i use GND. I believe AGND is slightly more insulated.

    Regarding button pushes, you will probably get...
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    Happy birthday young man!

    Happy birthday young man!
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    I'd have to agree with Paul. I made a similar...

    I'd have to agree with Paul. I made a similar switch from Arduino stuff some 3 years ago and never looked back. I never really understood how a goofy form factor of an UNO or Mega could be used for...
  10. Unfortunately no. According to the documentation...

    Unfortunately no. According to the documentation I found, the hardware only supports 1 connection. I was able to get an ESP-01 connected to a Teensy working, but the ESP kept crashing on a web page...
  11. I'm very interested in this thread...I have a...

    I'm very interested in this thread...I have a similar tach setup where I'm reading a IR LED sensor to measure reflective tape on a flywheel. Generally the system works well but every once in a while...
  12. ...white screen....What is RST on the display...

    ...white screen....What is RST on the display connected to?
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    check out Display.setTextColor(TextColor,...

    check out Display.setTextColor(TextColor, BackColor);
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    these displays are 65535 color depth (color565)...

    these displays are 65535 color depth (color565) meaning 16 bit color depth (5 bits for red, 6 for green, 5 for blue). The library has a method to covert true color to 565

    This tested code should...
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    First get the ttf font, maybe this site is what...

    First get the ttf font, maybe this site is what you are looking for?
    https://www.dafont.com/ethnocentric.font

    Then watch this vid on how to convert the font into an ILI9341 font...
  16. welcome home, looks impressive, i'm sure someone...

    welcome home, looks impressive, i'm sure someone will take advantage of any code /designs you make available.
  17. a buck says its the RST line :)

    a buck says its the RST line :)
  18. Yep, when I run into this it's due to RST not...

    Yep, when I run into this it's due to RST not being powered up correctly (some displays are finicky and require some extra steps). The RST needs to be high just slightly after the display is powered...
  19. I use these sensors as well and found only 4K7...

    I use these sensors as well and found only 4K7 pullups work, not sure what you are using. I've used on ESP-32.

    I also have switched to this lib linked below--as I had issues with the lib you use....
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    Happy new year from Northern Alabama. Kris

    Happy new year from Northern Alabama.

    Kris
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    Happy Holidays!

    All,

    Happy holidays to my fellow Teensy friends. I thoroughly enjoy being part of this community and hope to get/give more assistance next year.


    Kris
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    if you start using custom fonts filling the...

    if you start using custom fonts filling the background will not work, and as you see drawing a rectangle causes a flicker. Try this.

    https://youtu.be/uMqTAoCCCX8

    Kris
  23. OK i'll take a stab, first thing I see is that...

    OK i'll take a stab, first thing I see is that your increment amount is a byte 0-255 but your loops go to 256, so at 256, loop counter will got to zero, hence for loop will run infinataly


    byte...
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    This is actually a great question. I too had tons...

    This is actually a great question. I too had tons of code for sliders, menus, etc. I created my own libs for lot's of the common UI stuff I use. Moving code to libraries did take some learning, but...
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    Wow to write to the status window

    I saw this somewhere but don't recall. I want to write to the compiler status window, anyone recall how?

    PS not the serial window but the pane just below the code.

    tia
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    Regarding RESET the resistor is 1000 ohm, and the...

    Regarding RESET the resistor is 1000 ohm, and the cap is a 10 uF--yea sounds huge, but the 2.2 TFT's used here were very finicky. You may have to adjust these values, hence, pushing 3v3 through a 10K...
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    9the cable? Do you mean the cable shielding? If...

    9the cable? Do you mean the cable shielding? If CAT5 had 9 cables, i would have include touch capability. Now I do plan on exploring a touch display and only using T_CS and MISO lines (attempt to...
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    I've spend a fair amount of time trying to get...

    I've spend a fair amount of time trying to get these "Arduino dedicated" LCDs to work with a non-arduino--i've never been successful. Pinouts and mapping is one issue, getting a lib that matches the...
  29. Actually i can use all features...

    Actually i can use all features (Display+SD+Touch), I can't read the displays MISO--hence no readPixel capability.
  30. Cannot readPixel with 3.5" TFT display, even with added tri-state buffer

    All,

    I'm using a Teensy 3.2 and a 3.5 ILI9488 screen, and i have this display and tested the MISO line from the display and sure enough it's not tri-state. Meaning I could not get the display AND...
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    @leacolumbi yea see attached partial...

    @leacolumbi

    yea see attached partial schematic.

    The environment my display is in, is a telemetry system for an electric race--brushed DC motor, relays, buzzers, nasty EMI and noise. I've tried...
  32. @jkoffman I built this mic processor for my DSLR...

    @jkoffman I built this mic processor for my DSLR and has meters for frequency levels. Maybe it will help.

    https://youtu.be/tCUUaf6nYE8
  33. @mlu, The next time I'm in Sweeden, I will buy...

    @mlu, The next time I'm in Sweeden, I will buy you beer(s)!. My original menu code (5 screens with up to 10 items per screen with several listmenus) compiled at ate close to 30K memory. Your...
  34. @jkoffman, The ghosting effect should be fixed...

    @jkoffman, The ghosting effect should be fixed and v5.1 is now posted. I added code in draw methods for the SliderH and SliderV to automatically blank out the old slider handle. The code is smart...
  35. @jkoffman, our exchanges crossed paths, i created...

    @jkoffman, our exchanges crossed paths, i created some test code and can easily duplicate the problem. I have it fixed but need to test, and will re-post tonight. Problem is draw() is not...
  36. @jkoffman, very cool display. I can probably test...

    @jkoffman, very cool display. I can probably test at my end but I'll need to know what your slider parameters are. Can you just send me you init() statement? And setScale() if you are making that...
  37. not sure when you downloaded the lib, but a few...

    not sure when you downloaded the lib, but a few days ago i posted version 5 which fixed some bugs. have a look in the header and if you dont see a

    5.0 11/2020 kasprzak modified sliders,...
  38. Thanks for responding. I'll try that, but i do...

    Thanks for responding.

    I'll try that, but i do have a mental block when it comes to pointers, now a double pointer is new to me :)


    first i create a bunch of arrays


    MenuText0 = {"red",...
  39. Stuck figuring out how to pass an array of char to a library

    All,

    I'm writing a small menu system library where I would like to pass in an array of chars and have that array be stored with a certain menu item--kinda hard to explain...

    Can anyone take a...
  40. good news is you got a buffer chip to work, bad...

    good news is you got a buffer chip to work, bad news is that I tied a 74AHC1G125 and it did not work.

    Yes please share the chip you used.
  41. Hopefully this will be an easy one.... I'm...

    Hopefully this will be an easy one....

    I'm getting several low level errors trying to run demosauce.ino using a 2.8" TFT II9341 display

    I have the Teensy 4.1
    Arudino 1.8.12
    Teensydunio 1.53
    ...
  42. All, granting more wishes this week... ...

    All, granting more wishes this week...

    https://github.com/KrisKasprzak/ILI9341_t3_controls

    Included in this new lib
    0. fixed bugs
    1. Button class with methods like change text, change button...
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    ahh I see a teensy 3.6. Performance may be 1-2...

    ahh I see a teensy 3.6. Performance may be 1-2 frames per sec. and you should have enough memory.

    Put a Serial.println("it landed here"), at various points in your code to see where it hangs, if...
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    Which Teensy? I'm not sure the 3.2 will have...

    Which Teensy?

    I'm not sure the 3.2 will have enough memory, and I'll guess performance will be around 2-3 seconds per frame. However, you will need several changes

    Also, I'm not sure I see how...
  45. I use the XPT lib when I can but I have some...

    I use the XPT lib when I can but I have some displays that won't allow sharing of the SPI and the UTouch let's you have separate connections for the touch.
  46. Got it working, thanks to all.

    Got it working, thanks to all.
  47. Getting started Teensy 4.1 and audio shield rev B

    I'm trying to get something working with a Teensy 4.1 and a rev b audio shield. I initially tried connecting per the following (taken from the pjrc site but no rev b so I used Rev D).

    Teensy 4.1 ...
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    The files i was using as a goal are files that...

    The files i was using as a goal are files that use Microsoft’s “structured storage” document format, PPT files show number of slides for example. Installs of those products have some methodology for...
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    Yes, I'm looking at a powerpoint file and it has...

    Yes, I'm looking at a powerpoint file and it has several attributes in the properties dialog (Right click on the file to access). I realize this is a complex file and PPT probably wrote some...
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    I didn't see any way to create meta data using...

    I didn't see any way to create meta data using SDfat libs, but does anyone have some code that will do that? My datalogger also captures information such as test number and I'm currently writing a...
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