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Type: Posts; User: nhk

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    Access IBM Watson using this new Shield -> T3DUO

    Hi All,

    Introducing my shield: T3DUO.

    This project started out as a Teensy 3.x + Photon + BLE, but morphed into Teensy 3.x + sensors + Audio (2x mic, 2x Amp channels) + gyro + magneto +...
  2. How to play 22.1KHz WAV file on Teensy 3.x

    Hi Paul,
    You mention a need for conversion of an audio clip to 22.1 KHz (or 44.1 KHz). The document on Audio lib indicates only 44.1 KHz.

    So is it possible to play back WAV files with sample...
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    Thank you Pedvide for your information. ...

    Thank you Pedvide for your information.

    Alternately, while you are working on AudioInputAnalog1, I figure I can always use your "Example for synchonized measurements using both ADC present in...
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    Hi Pedvide, Just starting to explore the use...

    Hi Pedvide,

    Just starting to explore the use of your ADC lib.
    Great lib, thanks for the fantastic contribution!

    How to use ADC lib and Audio lib together in a sketch to mix audio and adc ...
  5. Teensy3.2 not responding on USB-serial when A2 and A3 used in Audio library

    Edit:
    Digging around in the Audio section of this forum, I found the answer, so I am adding this note: on what I think is the problem for anyone else running into the same issue ->
    OK, the Audio...
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    Great feedback, hope it continues.. @Paul:...

    Great feedback, hope it continues..

    @Paul:
    Yes, the end cost of a "fully loaded" base board is approx $70 or less depending on volume. The one common thread for all the three major components is...
  7. Paul, Thank you for the quick reply. I am in...

    Paul,
    Thank you for the quick reply.
    I am in the process of implementing hardware that will use two microphone inputs.
    I was hoping to use the second microphone for some ambient noise...
  8. Can the audio library handle a second input with adc2 ?

    Hi All,
    I noticed that the new ADC library allows usage of a second ADC on Teensy 3.1.

    I am attempting to use the second adc in an audio application as follows:
    AudioInputAnalog ...
  9. @crx091081gb, I am two years too late in asking...

    @crx091081gb,
    I am two years too late in asking this question: Wondering how far you got?
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    @defragster, Yup, Even with TYQT installed same...

    @defragster,
    Yup, Even with TYQT installed same issue with T_3.2:
    Here is what I did:
    1. Load Blink on both T3.1 and T3.2.
    2. Load TYQT, observe if I can reset each of the T3.{1,2} -- OK. (Done...
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    @defragster, OK thank you. I realize that the...

    @defragster,
    OK thank you. I realize that the DMM is grounding the PROG pin, but should a DMM alter the state of the pin being measured?

    If that were true, any other reading on the other pins...
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    I am observing a curious behavior on several...

    I am observing a curious behavior on several Teensy 3.2s that I got from OSH( Listed as a Official distributor on PJRC web page). This does not happen on Teensy 3.1 I got from PJRC.

    Observation:...
  13. Thread: Audio Library

    by nhk
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    501,270

    Hi vladn, Can you share what you did with the...

    Hi vladn,
    Can you share what you did with the mixer header file to do this subtraction of two audio signals?
    Appreciate any code snippets,
    Thank you
    nhk
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    T3PO Shield -- need some feed back.

    Hi All,
    I was looking for a system that allows for low cost Audio + SD storage + WiFi and BT 4.0 along with the ease of use of Arduino IDE and associated libraries. Teensy3.x obviously fit the Audio...
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    Hi , Just tried the AES128 lib with Teensy3.1 :...

    Hi ,
    Just tried the AES128 lib with Teensy3.1 :
    "Here is one that supports AES 128 in CBC mode https://github.com/DavyLandman/AESLib."

    With the Davy Landman's code:----------------------...
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    Hi, I was wondering if I can use the pins 3, 4...

    Hi,
    I was wondering if I can use the pins 3, 4 on Teensy 3.1 for Rx Tx per the diagram below:

    5359

    Attempting to use the above pins with the following code:

    #include <SoftwareSerial.h>
    ...
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    Hi Cosford, I am planning to use the code space...

    Hi Cosford,
    I am planning to use the code space for video processing. Prefer to have video routines, some of which require local memory for processing. Perhaps, SD is not the appropriate type ......
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    Hi Paul, Is there a way to use the SD adaptor or...

    Hi Paul,
    Is there a way to use the SD adaptor or the TEENSY3_AUDIO adaptor + W25Q128FV device to increase code space? I am looking for min 2MB of code space.

    Thanks in advance
  19. Need advice or guidance on a new audio project with Teensy3.1

    Hi All,

    I am a noob , sorry for posting a very basic question, but any advice is helpful:

    I am about to start a new project that involves a small sound file to be played via Teensy 3.1 DAC...
  20. OK, got it. Thanks Paul

    OK, got it. Thanks Paul
  21. Hi Paul, Still have an issue with my setup....

    Hi Paul,
    Still have an issue with my setup. Perhaps I am not using the library as intended.
    I have modified the videodisplay.ino for this test case. Code included below.

    The test case uses a...
  22. Hi Paul, Sorry I was about to cancel this post...

    Hi Paul,
    Sorry I was about to cancel this post when I realized "forum rule" but you beat me to it!.
    But memcpy helped :-)
    Thanks
  23. OK, Thanks Paul, I am attempting to modify...

    OK, Thanks Paul,
    I am attempting to modify VideoDisplay and came across two items of interest that I am unable to figure out:
    Item 1:
    I declare LED_WIDTH=256; LED_HEIGHT=8; (yes, I know this is 2K...
  24. Hi Paul, Why does OctoWS2811 use 6 ints per LED?...

    Hi Paul,
    Why does OctoWS2811 use 6 ints per LED? Surely there is a very good reason, but I am unable to find it.
    "displayMemory: The memory used for display data. Use an array of "int" 6 times...
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    Hi Paul, OK, I looked up the documents...

    Hi Paul,
    OK, I looked up the documents (extracts below) you mentioned. I understand that even though the Teensy3.1
    has the device (extracts from data sheet / manual below) that is capable of...
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    Hi Paul, Thank you for the reply. Yes, my...

    Hi Paul,
    Thank you for the reply. Yes, my description is unclear. Perhaps the attached diagram helps.
    In the diagram, the first and second configurations work hardware plus software. Note the x86...
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    Teensy3.1 USB to FT232R communications

    Hi,
    I am attempting to drive Teensy3.1 with a (x86 micro plus FT232R) system.
    On the x86 I have serial read/write that appears to work with x86<->FT232R<-USB cable->Win_7_PC
    On Teensy 3.1 I have...
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    Hi MichaelMeissner & fretless_kb, Thank you for...

    Hi MichaelMeissner & fretless_kb,
    Thank you for the info. I think I know what I need to do...
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    Hi MichaelMeissner, Thanks for the quick...

    Hi MichaelMeissner,
    Thanks for the quick response,
    I have ws2812b yet. UI am planning to purchase a Teensy3.1+adaptor.
    I have adafruit flora which I use to drive a chain of 4 neopixels with the...
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    WS2811, Teensy3.1 and C prog example

    Hi,
    Newbi here, unable to find any posts on WS2811, or C prog example for driving WS2811 on FAQ search.

    So my questions:
    I am using "C" programming on eclipse on windows7.

    Q1. Are there any...
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