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Type: Posts; User: brogue

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    Ok, I fixed this error on teensy 3.2, but I don't...

    Ok, I fixed this error on teensy 3.2, but I don't know why it worked. I changed the speed of the CPU from 72 MHz (error about wrong formatted SD card) to 24 MHz (no error). Then I changed the SCK to...
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    Okay, I've changed the program to get more...

    Okay, I've changed the program to get more information about what is going on with my SD connection. It's copied from here http://mb-raw.blogspot.com/2017/07/teensy-tutorial-sd-card.html

    ...
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    I've tried it, it doesn't change anything. But...

    I've tried it, it doesn't change anything. But according to this thread https://forum.pjrc.com/threads/62897-Teensy-4-1-Connecting-multiple-SPI-devices it should be okay.



    What's the meaning...
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    Thanks for you reply. I found the information...

    Thanks for you reply. I found the information about alternative pins for the SPI library. As you can see at https://www.pjrc.com/store/teensy32_card7a_rev3.png. The alternative pin for SCK is the pin...
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    Doubt. In Hardware Requirements...

    Doubt. In Hardware Requirements (https://www.pjrc.com/teensy/td_libs_FreqCount.html) there is an information, that the library requires special pin, Teensy 3.2 - Pin 13.


    On the other hand, I...
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    Hello, on the website FreqCount library...

    Hello, on the website FreqCount library (https://www.pjrc.com/teensy/td_libs_FreqCount.html) - Hardware requirements, there is a table with board types and frequency input pins included - is there...
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    Hello! Does anybody find any solution to my...

    Hello! Does anybody find any solution to my problem to connect FreqCount with SD card?
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    The solution of my problems was adding a peak...

    The solution of my problems was adding a peak detector circuit before comparator and everything started working very well. Then, the hysteresis became unnecessary.

    Now, I want to improve my device...
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    Maybe, I'll try to summarize the current work...

    Maybe, I'll try to summarize the current work status.

    I wrote a PM to Theremingenieur, because when I was doing research on LM331 (F/V converter) which he advised me to use, I realized that he...
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    Ok, I thought that this library counts the rising...

    Ok, I thought that this library counts the rising slopes, I'll get rid of this. So you thing that this comparator will be better option, than simply using some kind of analogRead instruction? The...
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    Pulses counting in intervals with teensy 3.2

    Hello everyone!
    Iím trying to use the teensy 3.2 with PaulStoffregenís library (https://github.com/PaulStoffregen/FreqCount) to count the number of partial discharges.


    #include <FreqCount.h>...
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