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    Okay, yes i see the time for fill-screen on...

    Okay, yes i see the time for fill-screen on 480x320 is ~100000us = 0.1s = 10fps on other demos.

    Thanks for your reply.

    It looks like the HX8357_t3n library is on par with the esp32 ones....
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    Doing a test with teensy and a 480x320 tft...

    Doing a test with teensy and a 480x320 tft I was able to achieve a max fps of just 10 when clearing all pixels each loop. This is running HX8357_t3n which KurtE confirmed is about the max fps for...
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    Thanks! Those libs are cool, but still a ways to...

    Thanks! Those libs are cool, but still a ways to go, and not specifically relevant for my project given I am not using VGA in any way...

    Guess this project will be a bit more difficult than I...
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    Good Teensy GFX and Game Library ???

    Hello, I am having difficulty finding a graphics library for Teensy4 that handles such things as animated sprites, collisions, lines, shapes, fill, text, and optimizations to be rendered to a TFT...
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    It's working well now. Added a 2.5W amplifier to...

    It's working well now. Added a 2.5W amplifier to the line out. And most importantly, hooked up an AGC microphone module, which eliminated all the noise.
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    Ah yes okay I will connect the line to some...

    Ah yes okay I will connect the line to some amplification and try again.

    I tried headphones. Any reason why I could not hear anything through headphones? Is there a way in the code to specify...
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    Audio Recorder, Can't Hear Playback

    Hello,

    This is my very first test with the Teensy Audio Library so probably just make a basic error.

    Simply, can't hear any playback from the recording in the Recorder Example. I have tested...
  8. This would be great, yes, thank you. It sounds...

    This would be great, yes, thank you. It sounds quite advanced for me but I would love to see the code and teensy-audio-gui layout (if you have it)

    I also found this: https://youtu.be/Is2dHl0MkUs...
  9. Anyone want to collaborate on a Teensy audio effects "thingy"?

    Hello,

    I have spent quite a bit of time reading at the audio-design tool for teensy as well as looking at the examples but truthfully I don't have much intuition around what would sound good.
    ...
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    @vjmuzik rad. If you could share your code, that...

    @vjmuzik rad.
    If you could share your code, that would be massively helpful :)
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    Rotary encoders on i/o expander 16x

    Paul's encoder library on Teensy works extremely well, yes!

    I am working on a project and need additional i/o for encoders.

    I am curious if there is an i/o expander for encoders that can work...
  12. sample/manipulate/jam instrument w/ Teensy. Possible???

    Hey gang!

    So I am considering building a audio sample/manipulate/jam (SAMAJA?) type instrument with the Teensy3.5 + Audio Adapter. You can think of the instrument as a crude mashup between the...
  13. Paul do you mind just posting the Arduino code...

    Paul do you mind just posting the Arduino code you are using and I will test it on my end? This way we can see if it is my SD card or my BMP file.
  14. Sorry my bad. I didnt have the code configured...

    Sorry my bad. I didnt have the code configured right. Good news, it is running at ~500ms. Let's be ambitious and try for 100ms.

    Initializing SD card...OK!
    Loading image 'm0.bmp'
    File size:...
  15. Paul, Unfortunately still taking > 1s: ...

    Paul,
    Unfortunately still taking > 1s:

    Loading image 'm0.bmp'
    File size: 230456
    Image Offset: 54
    Header size: 40
    Bit Depth: 24
    Image size: 240x320
    Loaded in 1047 ms
  16. Niiiiice! That is certainly an improvement. Any...

    Niiiiice! That is certainly an improvement. Any thoughts on that 8bit BMP goodness?
  17. Okay. That's fine. Because 8bit BMP files will be...

    Okay. That's fine. Because 8bit BMP files will be exactly 1/3 the size of 24bit. So using my math skills, we should be able to get it down to ~230ms ???

    Playing with the buffer didn't help at all?
  18. Oh I will definitely run a performance test and...

    Oh I will definitely run a performance test and compare your 8bit with adafruits 24bit. no problem!
  19. I did find http://home.comcast.net/~elmoi/bmpvu.c...

    I did find http://home.comcast.net/~elmoi/bmpvu.c from WINDOWS '98!

    Paul I am gonna boldly request you bless us with your genius and write a c file that can ready 8bit BMP files :]

    Then finally...
  20. TFT LCD displaying BMP as fast as possible (ILI9341_t3)

    I tried the adafruit ILI9341 library and it takes about 1000ms for a 320x240 (~320kb) BMP to be drawn.
    I then tried Paul's optimized library (https://github.com/PaulStoffregen/ILI9341_t3) and it...
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    I also just tried with the Teensy optimized SD...

    I also just tried with the Teensy optimized SD library paul wrote. improvement.
    now it works if you power on/off.
    reset on teensy results in the same issue. but i think with a hard power off-on i...
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    Hey Paul. I just tried it. Unfortunately no luck.

    Hey Paul. I just tried it. Unfortunately no luck.
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    oh right -- code! ...

    oh right -- code!

    https://github.com/adafruit/Adafruit_ILI9341/blob/master/examples/spitftbitmap/spitftbitmap.ino

    tested on arduino uno with the same code without any issues. but have to use...
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    Major Micro SD Weirdness w/ Teensy3.0

    I am using Teensy3.0 with an adafruit LCD (https://learn.adafruit.com/adafruit-2-4-color-tft-touchscreen-breakout/bitmaps-spi-mode). Everything is working reasonably well and I am able to display BMP...
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    Teensy Synth? (for Dummies)

    Hey gang. After discovering http://www.pjrc.com/teensy/gui/ and begining to understand some of the audio potential of Teensy3, I am keen to start experiemnting with a Teensy Synth.

    Can someone...
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    It's been a while. Really hoping this can get...

    It's been a while. Really hoping this can get resolved soon. Need this for TeensyMonster, which is launching very soon.
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    Teensy3 + Mac + Serial = :[

    Here is a video I made to (maybe) help resolve this problems.


    http://www.youtube.com/watch?v=ZPY2eixLqrs&feature=youtu.be

    If you have any idea what is causing these inconsistencies, or any...
  28. I just started using my Teensy3 today for...

    I just started using my Teensy3 today for touchRead()...
    I will update you if I determine exactly what induces this goofiness...
  29. 10.6.8 Plugged directly in. I dont have a hub.

    10.6.8
    Plugged directly in. I dont have a hub.
  30. The problem keeps occurring, forcing me to...

    The problem keeps occurring, forcing me to restart...
  31. Yep, I am using a mac!

    Yep, I am using a mac!
  32. Restarted my computer, everything went back to...

    Restarted my computer, everything went back to normal.

    Teensy3 is working fine now.

    Oldest trick in the book.
  33. Macintosh Teensy3 Errors (fixed by Teensyduino version 1.16)

    Paul, just wondering if you have any idea what is going on?

    (Arduino 1.0.5, Teensyduino, Teensy3)

    Here is the trend.

    Teensy3 is not visible in serial port.
    I click upload, it asks me to...
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    I did a quick test. Both Teensy2++'s have...

    I did a quick test.

    Both Teensy2++'s have 0.3V across them when plugged into USB.

    The Teensy2 has 5.0V (as expected).

    These boards seem fried. But for no reason. All I was doing was...
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    Teensy2++ Not Visible In Serial Port

    I am having some bad luck.

    I have 3 Teensy boards here, all of which have worked well in the past.

    427

    I am trying to upload code to two of the Teensy2++ boards with no luck. They do not...
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    More weirdness... I switched from a pointer to...

    More weirdness...

    I switched from a pointer to an array. Now even stranger stuff is happening...

    When only the first pin is interrupt enabled, everything works as expected



    #include...
  37. usbMIDI code throws error if MIDI is not selected

    I have code that I run in USB serial mode (for debug), and USB MIDI mode as a controller.

    Every time I toggle between modes I have to comment/uncomment all the 'usbMIDI.' messages otherwise an...
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    Using the Encoder library with pointers

    First off, thanks for this awesome encoder library. Writing encoder-code from scratch is a total pain. I tried once, and failed terribly.

    I having some unexpected behavior when using the Encoder...
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