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  1. Interference between LEDs (PWM) and DAC (Teensy 3.2)

    Hi guys,
    I met a problem about interference when I'm using PWM OUTPUT on LED and DAC OUPUT of my Teensy 3.2
    This is the sketch that allowed me to understand this behavior.

    As you can see from...
  2. Breaking news! Thank you for support and problem...

    Breaking news!
    Thank you for support and problem was a weld on the MKL02Z32VFG4!

    My biggest doubt was that the scheme needed other supporting components, but so, fortunately, it is not!

    Thanks...
  3. Thank you for your response. I ordered the...

    Thank you for your response.
    I ordered the bootloader directly.
  4. Create a custom board with MK20DX256VLH7 but not recognize via USB

    Hi guys,
    I developed my project using Teensy 3.2, and now I'm trying to produce a my custom board.

    I based myself on the schema that I found here

    I purchased the MKL02Z32VFG4 component with...
  5. Thank you for reply Theremingenieur. It is sad...

    Thank you for reply Theremingenieur.

    It is sad to hear this because they are good products, but if you have to do a business project, there is a problem with the bootloader, not all electronic...
  6. MKL02Z32VFG4 with bootloader teensy 3.2 on europe market

    Hi guys,
    is it possible to buy it through a European distributor?
  7. CopyFromSerial: rawfile-uploader.py not transfer correctly files

    I'm trying to use SparkFun LSM6DS3 with Teensy 3.2, but I have strange behavior.

    I follow the sketch sequence as soon as the led stays fixed, then I execute the program in python (using python 2.7...
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    Write File from pc to flash

    Hi guys,
    I'm trying to usa standard python rawfile-uploader.py and CopyFromSerial example.

    I attached screenshot that shows error.
    What is the problem?

    I attached breadboard also.

    I'm...
  9. Replies
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    I'm sorry. I'm checking again my circuit and......

    I'm sorry. I'm checking again my circuit and...
    I had just mistaken the GND pin on the speaker, this created abnormal behavior.
    I'm an idiot! Sorry.
  10. Replies
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    Teensy 3-6 DACS issue

    Hi guys,
    I'm working with Teensy 3.6 and DACS.


    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include <SerialFlash.h>
  11. WateTable and labriry compress array

    Hi guys, I'm thinking if is it possibile compress an array generated by wav2sketch...

    I would try to generate a sketch in order to have all values compressed and then decompress them as needed, do...
  12. OK. I ran again EraseEverything and now It works...

    OK. I ran again EraseEverything and now It works all ok.

    Thank you very much for your support!
  13. I don't understand where I wrong, can you show me...

    I don't understand where I wrong, can you show me your connections Teensy3.2-Flash?
    And then, in WrtiteConfig method is correct SerialFlash.remove(fileName); or I have to use erase?

    WP is to...
  14. Strange...... I'm reading CopyFromSD sketch and I...

    Strange...... I'm reading CopyFromSD sketch and I not found createErasable method but create method.

    A portion skecth of ufficial CopyFromSD, I read that it uses remove and create methods.


    ...
  15. Overwrite files on flash, it has no effect ...

    Hi guys,
    I writed a simple project because I'm trying to overwrite a config file with different value, but it seems that it not takes effect.

    Synthesizing...

    This sketch read MYFILE.CFG, that...
  16. Bluetooth HC-06 interference with DAC of Teensy 3.2

    I hear the interference bluetooth from DAC,
    just do the voltage teensy3.2.

    I simply connect BT HC-06 in this schema (power supply range 3.6V - 6V)*:
    BT_VCC = T_V3.3
    BT_GND = T_GND
    BT_RX =...
  17. Ok! I think I understand. I connect HOLD and WP...

    Ok!
    I think I understand.
    I connect HOLD and WP to pin 2 = HIGH level,
    after that, I find out that there are problem using 72 Mhz clock, then I compile again at 48Mhz, and all it works.

    Thank...
  18. This is my breadboard 8338 this is schema...

    This is my breadboard

    8338

    this is schema of flash Cypress S25FL256SAGMFIR01

    8339

    there are my scketches
  19. what do you mean? pin 7 of flash or pin 7 of...

    what do you mean?

    pin 7 of flash or pin 7 of teensy?

    Because pin 7 of flash is CS, it is already connected to 9,
    instead pin 7 of teensy 3.2 is DOUT/RX3, I do not think you mean this

    8303
  20. Another thing, if connected WP to VCC+, the...

    Another thing,
    if connected WP to VCC+, the sketch RawHadrwareTest shows me this


    Raw SerialFlash Hardware Test

    Read Chip Identification:
    JEDEC ID: 0 0 0
    Part Nummber: (unknown...
  21. Nothing.... same results, if I connect WP to VCC+

    Nothing.... same results, if I connect WP to VCC+
  22. Thank you for note, I'm new.... This evening...

    Thank you for note, I'm new....
    This evening I'll try to change pin of WP...
  23. Into documentation shows this I'm think...

    Into documentation shows this


    I'm think that is correct connect pin WP to GND, is it correct for you?

    My sketch is this

    #include <SerialFlash.h>
    #include <SPI.h>
  24. VCC => 3.3V of Teensy 3.2 CS => pin 9 SO/IO1 =>...

    VCC => 3.3V of Teensy 3.2
    CS => pin 9
    SO/IO1 => pin 12
    SCK => pin 13
    SI/SO0 => pin 11
    VSS => GND
    WP#/IOS2 => GND

    I compiled on Teensy 3.2 72 Mhz optimized speed, Arduino 1.6.12 with...
  25. EraseEverything sketch how much it can take?

    HI to all,
    I'm using sketch EraseEverything on Teensy 3.2 with flash S25FL256S on macOS Sierra.

    It shows me

    Flash Memory has 33554432 bytes.
    Erasing ALL Flash Memory:
    estimated wait: 67...
  26. Replies
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    I corrected my post, T3.2

    I corrected my post, T3.2
  27. Replies
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    51,725

    I'm using 1.6.12 with T 1.31 it works! (macOs...

    I'm using 1.6.12 with T 1.31 it works! (macOs Sierra)
    it compiled correctly:
    #include <ADXL345.h>
    #include <L3G4200D.h>
    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>...
  28. Example for write and read a TXT File by SerialFlash

    Hi to all,
    are there examples that show better way to write and read simply text file?
    I have some confusion, because I'm new....

    I'm using Teensy 3.2 connected with S25FL256S
  29. Replies
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    Problem with CopyFromSD

    Hi to all,
    I'm trying CopyFromSD with S25FL256S Flash.

    I'm not sure if I connected correctly flash and SD shield (Sparkfun with red shield)

    Flash to Teensy 3.2:
    CS => 9
    SCK => 14
    SO => 7...
  30. Ok, now. I read again PlaySdWav and I see that...

    Ok, now.

    I read again PlaySdWav and I see that it could activate the Optimization Mode.

    I found a file SD_t3.h


    // This Teensy 3.x optimized version is a work-in-progress.
    //
    // Uncomment...
  31. I'm sorry for rules, I did not mean to violate...

    I'm sorry for rules, I did not mean to violate it.
    I expressed myself badly, the piece of code was just to show the structure Audio.
    In reality, you have already answered my question, in your last...
  32. Audio library and SdFat Library crash audio

    Hi,
    I'm trying to use Audio Library with Accell and Gyro sensor.

    [CODE]
    AudioPlaySdWav EventPlaySdWav; //xy=150,302
    AudioPlaySdWav HumPlaySdWav; //xy=151,232
    AudioMixer4 ...
  33. Replies
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    Extactly, Teensy 3.2, ok I'll try it this...

    Extactly, Teensy 3.2, ok I'll try it this evening, thank you for precious support!
  34. Replies
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    They used this approach...

    They used this approach http://garagelab.com/profiles/blogs/tutorial-how-to-use-sd-card-with-arduino,
    how can I keep this?
  35. Replies
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    SD sparkfun without support circuit, SdFat library and Audio library of Teensy.....

    Ok my problem is this: I projected a circuit using https://www.adafruit.com/products/254 and I try to use Audio Library, it's all OK! Great!
    Now I met a problem because my friends are using...
  36. Replies
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    Audio library and SdFat Library

    Can Audio Library use SdFat library?

    This is ink https://github.com/greiman/SdFat
  37. Ehm, I met this compiler error. What's up? ...

    Ehm, I met this compiler error.

    What's up?


    C:\Users\Dario\Documents\Arduino\libraries\MahonyAHRS-master\src\MahonyAHRS.cpp: In static member function 'static float Mahony::invSqrt(float)':...
  38. Thank you very much! You are great!

    Thank you very much!
    You are great!
  39. NXPMotionSense > MahonyIMU where is MahonyAHRS.h ???

    Hi to all,
    I'm trying demo scketch but where I find MahonyAHRS.h and relative version for Teensy 3.2?

    Actually I'm trying with LC.

    Help!!!
  40. I'm thinking... but how can I close or dispose an...

    I'm thinking... but how can I close or dispose an SD instance?
    I'm trying to clear my question.
    Can I stop all instance of Audio library and SD/SPI library and in second time riactivate all?
  41. Thank you Paul, I'll try it. Stay tuned.... :-)

    Thank you Paul, I'll try it.
    Stay tuned.... :-)
  42. Play SdWav with Audio Library and read other file from SD

    Hi to all,
    I would use a PlaySdWav, then open SD play a specific wav file, but before this, I use other library to open a specific file, this file is in same SD card.
    It seems that after open...
  43. Replies
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    2,225

    Great! You are wonderful! Thank you.

    Great! You are wonderful!
    Thank you.
  44. Replies
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    Ok! it works. Thank you.

    Ok! it works.
    Thank you.
  45. Replies
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    Thank's Paul, but It could add a costructors...

    Thank's Paul, but It could add a costructors without parameter?
    Sothat I could create an AudioConnection in my header file, and then I'll instance varaible in cpp file?
  46. Replies
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    975

    Play a file in subfolder

    Hi,
    I'm trying to play on subfolder of SD, but I don't know which way I have to take.

    I tryed to call open methods, as I use when I keep a files, but I think that is a bad way.
    Infact, it take...
  47. Replies
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    Good job! Thank you.

    Good job!
    Thank you.
  48. Replies
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    AudioConnection costructors

    Hi to all,
    Has AudioConnection class a costructors with 0 parameter?
    I can't find header file of this class, I'm finding in ..\Arduino\hardware\teensy\avr\libraries\Audio
    Is it correct my search...
  49. Using Audio library into other library???

    Hi to all,
    I would create a my library that incapsulates all work with audio.
    But the problem is, where I have to write code about AudioConnections?

    First: I tryed declare my 3 patchcords into...
  50. Replies
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    Oh my God! Ok... don't worry be happy. In...

    Oh my God!
    Ok... don't worry be happy.

    In Arduino: DI >
    The circuit:
    * SD card attached to SPI bus as follows:
    ** MOSI - pin 11 on Arduino Uno/Duemilanove/Diecimila
    ** MISO - pin 12 on...
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