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  1. Hi, As you have written, these are simple...

    Hi,
    As you have written, these are simple functions. I think it might be easier not to use a microcontroller at all.
    You can buy blink diodes.

    The Transistors have to be able to handle the...
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    Whow, did not know, that the Hardware fifo is...

    Whow, did not know, that the Hardware fifo is 64bytes. In former times these have been only 2 bytes. Wanted even to suggest an extra dedicated teensy to handle this. Rts cts? There seems a lot going...
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    Hi, Can you reduce the baud rate? Perhaps it...

    Hi,
    Can you reduce the baud rate?
    Perhaps it might help to draw a timing diagram for all the tasks that have to be done.
  4. Hi, Perhaps a noise gate might be helpful. ...

    Hi,
    Perhaps a noise gate might be helpful.
    https://forum.pjrc.com/threads/56917-Controlling-Analog-Guitar-Efects-with-Teensy-Hybrid-Multi-Fx?p=210093#post210093
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    Hi, I do not think, that the amount of...

    Hi,
    I do not think, that the amount of information provided is sufficient to give an answer.
  6. Hi, Have you already tried more damping? For...

    Hi,
    Have you already tried more damping?
    For the sake of speed, this library works only with 16 bits, so yes the resolution is limited. I would assume, that some clipping is a good compromise...
  7. Controlling Analog Guitar Efects with Teensy - Hybrid Multi Fx

    Hi,
    The question was: How could you control Guitar Effects using a controller. Of course this makes even more sense, if you can combine the analog effects with the digital audio capabilities of...
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    16915 16916 Hi, perhaps this works? Best...

    16915
    16916

    Hi, perhaps this works?
    Best regards Christof
  9. Hi, having the same problems, I just wanted to...

    Hi,
    having the same problems, I just wanted to thank timo42 for the input:
    The delays solved the problem!
    "delayMicroseconds(1); // CS_n falling to first capture clock: >= 1 us"

    :-) Christof
  10. Hi tschrama, thanks for the replies! Linear...

    Hi tschrama,

    thanks for the replies! Linear sweep would be very easy to implement.

    As the sample frequency is 250kHz, you could go well over 20kHz. This high frequency signal would not look...
  11. Test Tone Generator, log frequency sweep, Grid Generator 250 kHz sample frequency

    Hi,
    this might perhaps be interesting for some guys working on audio projects.

    It is a testtone-generator which can do logarithmic frequency sweeps. If you have a 2-channel oscilloscope, then the...
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    Hi, Thanks to pjrc and the guys who have made...

    Hi,
    Thanks to pjrc and the guys who have made all the libraries. I just want to say, that the clock works completely stable for some months now 7/24.
    😊 Christof
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    ... tried to correct orientation of the image....

    ... tried to correct orientation of the image....
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    Making a Cuckoo-Clock with Teensy

    Making a Cockoo-Clock with teensy.

    Hi, perhaps this is an idea for a project of some other people. At least I had some fun with itů

    A cockoo clock is a clock hanging at a wall. It has a small...
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    Hi, and thanks again. your input helped to...

    Hi, and thanks again.
    your input helped to modify an existing library:
    https://forum.pjrc.com/threads/53122-DCF77-and-module-Which-library-is-working

    This actually works with "attachInterrupt()...
  16. Hi, I managed to solve the question: At ...

    Hi,
    I managed to solve the question:
    At
    http://thijs.elenbaas.net/2012/04/arduino-dcf77-radio-clock-receiver-library/
    is a description of his library, which is also on:...
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    Thank you very much, Paul and manitou, for your...

    Thank you very much, Paul and manitou, for your inputs! I will try the attachinterrupt and micros() approach first and see if this works good enough for this project.
    Christof
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    Howto use timer capture mode? Teensy 3.5

    Hi,
    According to the data sheet it must be possible to create the following:
    Set up a timer to capture mode at rising and falling edges of an input. (Goal is to measure pulse length.) And to have...
  19. OK, this is working and can decode the hours and...

    OK, this is working and can decode the hours and minutes:

    // Funktioniert mit Teensy 3.6
    int DCF77_pin = 2;
    #define DCF77_POWER 28 // PIN to switch on the module
    int DCFSplitTime =...
  20. OK, now I found ...

    OK, now I found
    http://muck-solutions.com/?page_id=1637

    I can compile the following code and I get a blinking LED with 1 Hz (as far as I can see):

    #include <DCF77.h>
    //#include <Time.h> //...
  21. DCF77 and module - Which library is working?

    Hi, has anyone managed to synchronise time on Teensy 3.6 with a module DCF77?

    I am using a module from pollin and I am able to get some signal from the module with this very basic test program:
    ...
  22. Visual Audio tool suggestions: Comments and User Modules

    Hi,
    the given audio modules and the graphical tool are great!!!

    1. A suggestion: Include some User Module blocks into the gui tool. UserA, UserB, UserC.... Each of these blocks should have...
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    Hi, is this "AudioSampleSnare.h" in the same...

    Hi,
    is this "AudioSampleSnare.h" in the same folder as your *.ino?
    Best regards, Christof
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    Hi blackaddr, yes, perhaps I will post the code,...

    Hi blackaddr,
    yes, perhaps I will post the code, when I am somewhat more happy with the result. I was still fighting with a user interface. It consists of a potentiometer, used like a joystick, a...
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    Thanks for the answers! Now I had some time to...

    Thanks for the answers!
    Now I had some time to simply try the differential input and it does not help.
    I had thought, that there was perhaps a path for the noise over the power lines to the adc....
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    Hm,Paul,at least I don't understand, why this...

    Hm,Paul,at least I don't understand, why this should help here. I thought, that this would help against 50 or 100 Hz hum.
    Best regards, Christof
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    Makes Idea of differential input sense?

    Hi,
    using the 16 bit audio shield and having some noise trouble. For example a serial line to a serial lcd can be heard.

    Now I wonder if it would make sense for example to couple the second line...
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    Sorry, better to do it quick and dirty instead of...

    Sorry, better to do it quick and dirty instead of not doing it at all....

    I am not familiar with the dsp-instructions of this CPU M4 so I cannot do it better quickly.
    :-) Christof
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    Thank you for the inputs! Sometimes one only...

    Thank you for the inputs!
    Sometimes one only needs to know the right words to google. "Recursive 1st order filter" was helpful! I found:...
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    Guitar Tube Amp Simulation Setup

    Hi,
    perhaps this is interesting for anybody.

    12346

    It is a guitar-amp Simulation-work in progress. It can be used to Play electric guitar together with a headphone or hifi stereo amplifier....
  31. Thread: Gate

    by cebersp
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    3,267

    Hi, to use this object for a guitar input signal...

    Hi,
    to use this object for a guitar input signal it makes sense to bring in some hysteresis. The level to Switch on has to be higher than the Level to switch off.
    My very simple modification:

    ...
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    Howto Filter with low steepness?

    Hi,
    at the Moment I use:

    biquad1.setHighpass(0, p_value[1], 0.707); // Butterworth filter, 12 db/octave

    Is there a way to get less than 12 db/octave? I would be grateful for some link with...
  33. Hi, Theremingenieur, ok, I was able to include...

    Hi, Theremingenieur,

    ok, I was able to include the noisegate object into my Project and I was able to modify it a little bit. :-) It seems to be the most simple object.

    The graphical tool is...
  34. Thread: Gate

    by cebersp
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    Hi, may I ask for a pull request to include this...

    Hi, may I ask for a pull request to include this great object into the official library?
    Best regards,
    Christof
  35. Empty Module for User defined Audio Modules

    Hi,
    the given audio modules and the graphical tool are great!!!

    Nevertheless 3 questions:
    1. Is there something like a tutorial how to build a first user defined Audio module? It would be very...
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