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    My goal here is just to be able to do...

    My goal here is just to be able to do non-blocking playing of short audio clips on the T4 and I can't use the Audio Shield because it is far too large to fit in my project. The MCP4725 board is about...
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    audio DAC for Teensy 4 - what one? MCP4725?

    I have a MCP4725 wired up to a T4 on pins 16 and 17 and it "works" but I may have chosen the wrong thing. What I want to do is have non-blocking way to play short (1 sec or so) audio samples. I was...
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    I am trying to trace the code backwards and see...

    I am trying to trace the code backwards and see what is going on, but if 30mhz is supposed to be the max spi, then it is "overclockable" out of the box because you can send in up to 38000000 into ...
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    Teensy 4 - SPI bus > 38mhz possible?

    It looks like 38mhz is what the spi bus tops out at on T4, is it possible to go higher? I saw other posts talking about T3 F_BUS /2 = SPI clock, is it the same in T4?

    edit: looks like it is f_bus...
  5. So I have been playing with t3n on T4 using the...

    So I have been playing with t3n on T4 using the framebuffer with good results but I wondered if it would make sense to have two framebuffers - you could be composing to one while the other one was...
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    t3n is working fine with CS not connected to...

    t3n is working fine with CS not connected to anything, thanks for the help.
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    They are out there, the one I have is just a...

    They are out there, the one I have is just a display without any touch or SD card socket. It works on 32u4 with adafruit and other libraries - I just set the CS to an unused pin and you cant have...
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    Teensy 4.0 - what 9341 library to use?

    I am trying to figure out the pluses and minuses of the 3 main 9341 libraries that I know of:

    ILI9341_t3 ILI9341_t3DMA and the ILI9341_t3n

    I have a single tft I will put on SPI0, this...
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