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  1. Teensy 4.0 Internal Temperature measurement

    As in latest Teensyduino 1.51 Temperature shutdown bug get fixed.
    My question is how can we measure Teensy internal temperature?
    Any direct register access gives the value to be calculated and...
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    When is this version going to get released?

    When is this version going to get released?
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    SuPaulMan ! So fast !!

    SuPaulMan ! So fast !!
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    @mjs513: Thank you for this update. I didn't...

    @mjs513:
    Thank you for this update. I didn't updated my Arduino because of Teensyduino only, As now both are updated I am going to give it a go and update here.
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    Is SD Library issue addressed in this realease?...

    Is SD Library issue addressed in this realease? 1.48 is having SD library working but 1.49 does not. (I tested on Both)
    Hardware : Teensy 4.0
    Interface: SPI
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    I just downgrade to Teensyduino 1.48 and SD Card...

    I just downgrade to Teensyduino 1.48 and SD Card ReadWrite example is working fine. And Same Example same hardware setup it gets SD Card Init failed with Teensyduino 1.49.
    Teensy 4.0
    Hardware...
  7. https://www.digikey.com/products/en?keywords=AE113...

    https://www.digikey.com/products/en?keywords=AE11351-ND -- this should work for you.
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    Sorry, I missed that out. Post Updated. Hardware...

    Sorry, I missed that out. Post Updated. Hardware connection is SPI. Pins 11,12,13 and 4 as CS.
    If I am not wrong I was having this setup working with previous version 1.48. I am going to try that...
  9. @mjs513 I got MPU working with Teensyduino1.49...

    @mjs513

    I got MPU working with Teensyduino1.49 and WriteFast you mentioned @ https://forum.pjrc.com/threads/58688-Teensy-4-0-Clock-speed-influences-delay-and-SPI?p=224096&viewfull=1#post224096.
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    Looks like with Teensyduino 1.49 deafult SD...

    Looks like with Teensyduino 1.49 deafult SD library is having issues. Basic example ReadWrite is now failed to Init SDCard function. I am using Teensy 4.0

    Hardware connection is SPI. Pins...
  11. There is detailed discussion about the same...

    There is detailed discussion about the same here:- https://forum.pjrc.com/threads/58689-Teensy-4-0-CPU-Speed-Option-Not-Working-Properly-!?p=223762
  12. Looks like this modification is working. I...

    Looks like this modification is working. I started observing data is changing for all 9 DOF. Not sure along with this fix we need 1.49 Beta#3 or 1.48 is also good enough to go with this fix.
  13. Yes, Now Looks like Delay problem has been...

    Yes,
    Now Looks like Delay problem has been fixed. But still SPI is not working same with all CPU Speed. 24MHz it just stuck in begin itself. I will test with MPU as well and update here.
  14. Hi Chris, I also came across similar issue, In...

    Hi Chris,
    I also came across similar issue, In my case I am not able to use delay functions as simple delay as it changes based on CPU Speed.
  15. Teensy 4.0 CPU Speed Option Not Working Properly !

    I do see option to choose Teensy 4.0 CPU Speed from arduino options. But I have seen very weird behavior using some generic functions with different CPU Speed I choose from the option.

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