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    Hello, I thought I would give people...

    Hello,

    I thought I would give people interested in this thread a preview of the article I wrote for Nuts and Volts magazine about my color organ. Check out the article at:...
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    Because the frequency selectivity was not as...

    Because the frequency selectivity was not as great as I had hoped, I have created new software (running on exactly the same hardware) that uses the 1024 point FFT with octave related bands that seems...
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    elapsedMillis ?

    I'm using an elapsedMillis timer with the audio library and it doesn't seem to keep accurate time. It seems to be running at about half speed. Is there some interaction possibly with interrupts that...
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    Color Organ Packaged and Working

    I've now got my color organ packaged up and running. You can see some videos of it here:

    Video One - https://www.youtube.com/watch?v=rro2kV_hPF4
    Video Two -...
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    Hi markonian, I haven't done a video yet...

    Hi markonian,

    I haven't done a video yet because I haven't yet built the enclosure for the color organ. So far I've only driven the string of 120 WS2812b LEDs while they were lying on my floor.
    ...
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    User Configurable 4 channel Color Organ

    Hello,

    I've been working on a new generation color organ that uses mostly pjrc.com products in its design. It uses the Teensy Audio library to do most of the heavy lifting, hence I call it the...
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    Paul, Yes the book is filled with sample code...

    Paul,

    Yes the book is filled with sample code but unfortunately the rights are owned by Prentice-Hall.
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    Paul, as a side note, I was wondering if you have...

    Paul, as a side note, I was wondering if you have ever come across my book, "Digital Audio with Java" which I wrote years ago? I asked because you are doing a lot of stuff in the Audio Library that I...
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    I didn't actually plot the filter data I just...

    I didn't actually plot the filter data I just looked at the amplitude in dB vs frequency in the serial monitor and could see the filters were working as I expected.

    Thanks for all your help Paul
  10. Duh Thanks it now works as expected

    Duh

    Thanks it now works as expected
  11. Plotting Filter Response Question Two

    With the help of others on this forum I got my response plotting code to work but I'm having a hard time justifying what I am seeing. I've included the code and the response data below.

    7698
    ...
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    Another Audio Library Question

    In the application I am developing I need to allow a user to select the filter response: either 12 db/octave or 24 db/octave. This of course will require either one filter element or two. So my...
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    Thanks for the tips, I increased the memory as...

    Thanks for the tips, I increased the memory as well and it worked for me. I hadn't thought about the settling time however, another great tip
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    Thanks I'll give it a shot.

    Thanks I'll give it a shot.
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    Problems Plotting Filter Response

    First let me say that I've just started to work with the Audio library today so I'm probably doing something stupid.

    I am trying to do a basic frequency response plot of the...
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    OctoWs2811 Library Questions

    I'm working on a project where I'm going to need to drive about 40 LEDs and I hope to use the OctoWS2811 library because of the fact it uses DMA and doesn't slow down the Teensy 3.1. My questions...
  17. I'll try and answer both questions here: First...

    I'll try and answer both questions here:

    First Constantin was exactly right. Moving high frequency signals from point to point gets more complex the higher the frequency. I didn't have a scope...
  18. Cheap Video with Teensy 3.1 and $5 OV7670 camera chip

    I posted this in project guidance but wanted to make sure more people saw it so I re-posted it here. I hope I didn't break any forum rules by doing so.

    I have just been successful interfacing a...
  19. I know this is kind of an old post but I have...

    I know this is kind of an old post but I have just been successful interfacing the Teensy 3.1 to the OV7670 Camera Chip and Adafruit 1.8" LCD display and wanted to share what I have learned.5555.
    ...
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    Hi, For what its worth, the technique I always...

    Hi,

    For what its worth, the technique I always use is to not try and decode the IR received codes but to just use the raw IR data codes from the IRRemote library directly and make my own code to...
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    Hi Jeff, You are certainly getting a lot of...

    Hi Jeff,

    You are certainly getting a lot of warnings but only one error I see. I think the file included in UISMFunctions.cpp should be UISMFunctions.h not AUISMFunctions.h. I don't know where the...
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    Phoebus, The video is private so I cannot see...

    Phoebus,

    The video is private so I cannot see it.
  23. Thanks did #2 above and all is well.

    Thanks did #2 above and all is well.
  24. Problems with new Teensyduino and FastLED and my Necklace app

    Hello

    This morning I upgraded Arduino to 1.6.1 and Teensyduino to 1.21 on my Mac running OSX 10.10.2. My Necklace app (attached) compiled and ran fine previously but now doesn't even compile. I...
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    Yes all fixed, thanks

    Yes all fixed, thanks
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    Is that necessary? I guess I could give it a shot.

    Is that necessary? I guess I could give it a shot.
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    More info. I tried running your cube example and...

    More info. I tried running your cube example and it fails as well. I'm running my Teensy3.1 at 96 MHz and am using Arduino 1.0.6 and Teensyduino 1.20. Everything worked fine until this new release.
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    Hello Sumotoy, I just downloaded your latest...

    Hello Sumotoy,

    I just downloaded your latest driver ILI9163C from github and have found that the clearScreen function no longer works reliably.
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    Every time I see something cool done on this...

    Every time I see something cool done on this forum using a Teensy 3.1 I'm inclined to try it myself and in the process have to spend more money and buy more stuff. Luckily this time the stuff was an...
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    Yes in my further investigation I proved to...

    Yes in my further investigation I proved to myself what you just said. Yes there is a speed hit but for my application it doesn't seem to be a problem. The Teensy 3.1 at 96 MHz is amazingly fast.
    ...
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    Teensy 3.1 and UTFT Library

    I have a LCD which is based on the SD1289 controller chip. I see that the UTFT library supports my display in 16 bit parallel mode. In looking at the UTFT requirements doc I see the wiring from the...
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    Another Teensy 3.1 Project to Share

    In case anyone is interested, I have finished another project based upon the Teensy 3.1 micro controller. Check it out here:
    http://www.craigandheather.net/celecrystalpalace.html

    Cheers
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    Thanks Stefan Your code is working great now....

    Thanks Stefan

    Your code is working great now. It is just beautiful on my Smart Matrix.
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    Stefan, Thanks for posting your code. I really...

    Stefan,

    Thanks for posting your code. I really look forward to running the mandela on my Smart Matrix. Unfortunately I cannot compile the code in the IDE. Did you miss checking in a file? I seem...
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    Stefan Will you be publishing code for the...

    Stefan

    Will you be publishing code for the above and for the electric mandala ?

    Hope so
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    I think this is great. I'm going to try out your...

    I think this is great. I'm going to try out your code on my SmartMatrix

    Thanks for posting it
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    bump, anyone know the answer ? Paul ?

    bump,

    anyone know the answer ? Paul ?
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    Teensy 3.1, Servos and PWM

    I've read that when using the Servo library on Teensy's certain pins will no longer support PWM. I'm trying to figure out which pins on the Teensy 3.1 won't work for PWM if I use the Servo library. ...
  39. Never mind. It is probably my Bluetooth SPP...

    Never mind. It is probably my Bluetooth SPP client that is adding the da.

    Sorry for the noise.
  40. Duff I have been experimenting with your...

    Duff

    I have been experimenting with your SerialEvent library on the Teensy 3.1 and I am seeing a weird problem. I modified your example program slightly as shown below:


    ...
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    Excellent. Thanks for making my coding just a...

    Excellent. Thanks for making my coding just a little easier.
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    Serial.printf

    I was looking at the serialEvent library and its example programs and I saw a

    Serial.printf("Termination Character %#02X Event fired: %s\n", Event1.rxTermCharacter, Event1.rxBuffer);
    ...
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    Paul, I did that of course hoping for an easy...

    Paul,

    I did that of course hoping for an easy fix but the problem is the teensy_write for OSX fails.

    But this no longer matters as I used the Teensyduino loader to load the hex file that I...
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    Just wanted to let people know that the normal...

    Just wanted to let people know that the normal Teensyduino loader can be used to load the app.hex file by just using File/Open and specifying the hex file.

    I did this and now have C Forth running
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    drg, This is exactly what I needed Thanks

    drg,

    This is exactly what I needed

    Thanks
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    OK Paul I understand why it is low priority but...

    OK Paul I understand why it is low priority but unfortunately I need it to work. So is it possible to fool the Teensyduino environment into downloading my hex file? That is can teensy_reboot (I think...
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    I'm trying to do this on OSX (10.9) but it looks...

    I'm trying to do this on OSX (10.9) but it looks like the mk20dx128 entry in the code is only available when using LIBUSB which OSX doesn't seem to use. I know running the command line loader must be...
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    I'm finally getting around to trying you Forth...

    I'm finally getting around to trying you Forth port but am having trouble with the command line loader to upload app.hex. How did you modify the CLI loader for the teensy 3.1? The code I have for the...
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    In looking at the C code it seems out of date and...

    In looking at the C code it seems out of date and doesn't have provisions for the Teensy 3.1. Is there updated code available?
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    Teensy cli loader and Teensy 3.1

    I've gotten the cli loader built but my question is what mmcu do I specify for Teensy 3.1?
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