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    I tried also with an ASUS VT207 : no response...

    I tried also with an ASUS VT207 : no response too. Is anyone has infos about Touchscreen USB interfaces ? Can we test something with the TEENSY 3.6 ?
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    USB HOST PORT as Touchscreen Input TEENSY 3.6

    Hello all,

    When I connect the TEENSY 3.6 USB HOST port to a touchscreen USB output with a BUYDISPLAY HDMI screen , all is running fine.
    But with another touchscreens such as the svga LG FLATRON...
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    Magic, It runs without !Serial ! Thank you so...

    Magic, It runs without !Serial !
    Thank you so much !
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    Usb 3.6 usb problem

    Hello all,

    TEENSY 3.6 controlling the Techtoys video board 8876 is running fine ONLY WHEN THE Teensy micro-USB1 plug is connected to a PC/USB 2.0
    (For information, the USB Host 5 pins connector...
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    Thank you so much, Paul. It runs !

    Thank you so much, Paul. It runs !
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    PC to USB SERIAL interface

    Helle all,
    I'm planning to connect a TEENSY 3.2 or 5 to a PC.
    Teensy is declared as SERIAL
    Sytem configuration indicates COM16, but the CreateFile() function don't recognizes this port nor another...
  7. TEENSY DEVICE NAME detection under WIN XP ? GetRawInoutDevceList missing under VISUAL

    Hi all,

    Teensy Device name detection is running fine under WINDOWS 10 but not under XP and VISUAL C++6
    it always replies : Périphérique Audio USB
    in the device name provided by :...
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    Hi all, As I said previously, the 3.6 USB host...

    Hi all,
    As I said previously, the 3.6 USB host port is running fine with Buydisplay touchscreen. 10.1"
    Using a Techtoy HDMI board and the Techtoy shield adaptor for 3.6.
  9. Replies
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    Hi all, I tried with an example. Complex, but...

    Hi all,
    I tried with an example. Complex, but can be largely simplified.
    Runs on a BUYDISPLAY screen but not on a FLATRON Touchscreen
    Runs with mouse anyway.
    You can download it here :...
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    Touchscreen running on BUYDISPLAY 1°.1" but not on FLATRON T1710

    ------------------------------------
    Thanks a lot for your message !
    The Touchscreen is running fine with the example program "Mouse". It runs as well with a real mouse or with the 10.1"...
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    Hi all, I am planning to use the USB Host port...

    Hi all,

    I am planning to use the USB Host port on TEENSY 3.6 for X Y coordinates inputs from a USB Touchscreen.
    Does anyone has some programming example ?
    Thanks for your help,
    Pascal
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    Dear Paul and all, I'm using a RA8876 video...

    Dear Paul and all,
    I'm using a RA8876 video board from Techtoys with an TEENSY 3.2 or 3.6 shield which is running fine. Very nice board with direct HDMI high definition fast output.
    Transforms a...
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    TEENSY 4.0 ? May I suggest : The next TEENSY...

    TEENSY 4.0 ?
    May I suggest :
    The next TEENSY generation would be nice with :
    - A Graphic processing Unit (available with NXP I think ? or other external unit or a shield or daughter board)
    -...
  14. OK ! Thanks a lot, Pascal Leray

    OK !
    Thanks a lot,

    Pascal Leray
  15. 12338 Dear Paul, MIDI controls are no...

    12338

    Dear Paul,

    MIDI controls are no longer recognized with ARDUINO 1.8.5 and TEENSYDUINO 1.40
    Of course, the same program is running under 1.6.7 and TEENSYDUINO 1.27
    (Attached the error in...
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    Hello, I'm trying to use the Serial Inputs RX2...

    Hello,
    I'm trying to use the Serial Inputs RX2 and RX3 for MIDI input.
    The First RX1 port is running fine. Using MIDI.begin(0);

    But there is no mean for opening RX2 and RX3 in the MIDI Library....
  17. I'm trying to use another RX ports for merging...

    I'm trying to use another RX ports for merging several MIDI inputs. Say : Port RX2, RX3
    My program is running fine with MIDI_CHANNEL_OMNI (port RX1) but once I add another port, for example :...
  18. You can watch all the PCB I designed for real...

    You can watch all the PCB I designed for real Pipe organ and for digital organs here :
    http://pascal.leray.free.fr/web_org/org_en.html

    Pascal
  19. Thanks for your reply, Paul. Of course, this...

    Thanks for your reply, Paul. Of course, this little difference is due to the 470 Ohms resistor and the LED.
    (Light capacitive effect). But sufficient to induce problems for very fast real time...
  20. I tested with my oscilloscope this simple program...

    I tested with my oscilloscope this simple program : It appears that the LEDPIN decay is not so fast as for other pins. Moreover, there are important Gibbs phenomenon (oscillations) for Low to High...
  21. Thanks, Paul, but for me it's a critical issue....

    Thanks, Paul, but for me it's a critical issue. Fortunately, I'am using a software artefact in order to control my entries correctly. You can see my board here : ...
  22. Obviously, time response is different on PIN 13...

    Obviously, time response is different on PIN 13 (LED) (PTC5) than on any other Pin. I'am using this pin (and the others ones PTC0 1 2 3 4 for 6 74HCT138 controls. All are running fine, but the PTC5...
  23. PIN 13 (LED) has a different behaviour due to the...

    PIN 13 (LED) has a different behaviour due to the LED capacitor. So 8 bits register C is not available. Register A is not completely available (A0 A1 A2 A" already used by memory) and B is not...
  24. Thread: K66 Beta Test

    by LERAY
    Replies
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    For information, I have now boards which fit...

    For information, I have now boards which fit directly with FATAR keyboards.
    http://pascal.leray.free.fr/web_org/org_en.html
  25. Thread: K66 Beta Test

    by LERAY
    Replies
    1,558
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    526,279

    But we could use a X86 with some GB and the...

    But we could use a X86 with some GB and the Arduino audio Library ?
  26. Thread: K66 Beta Test

    by LERAY
    Replies
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    526,279

    Indeed, I thought that K66 had 512MB and not...

    Indeed, I thought that K66 had 512MB and not 512KB !
    This gave me hope !
  27. Thread: K66 Beta Test

    by LERAY
    Replies
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    526,279

    Der Paul, K66 would be nice for a Virtual Pipe...

    Der Paul,
    K66 would be nice for a Virtual Pipe Organ software. With 512k SRAM 200 MHZ
    and I would like to contribute
    Does the audio library can support now such application ?
    Thanks,
    Pascal
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    Hello Dave, I have been designing a 64 pins...

    Hello Dave,

    I have been designing a 64 pins interface (KI64) between a Teensy based board (KI7_MIDI_USB)
    So I can control up to 7 x 61 keys keyboards, pedal or shoes.
    You can watch them on :...
  29. Thread: Pipe organ tuner

    by LERAY
    Replies
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    1,221

    The program is only giving a constant frequency...

    The program is only giving a constant frequency value. Even when no signal is sent to the audio inputs.
    May be some statements are missing ?
    Thanks foryour help !

    Pascal
  30. Thread: Pipe organ tuner

    by LERAY
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    Pipe organ tuner

    Dear all,
    I'm using the Audio Shield for Pipe Organ tuning.
    I am using Arduino 1.6.7
    I wrote the following program, which outputs only a constant value, when sending a .wav file via the Line Out...
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    After all, a 32/64bits Pentium is also a...

    After all, a 32/64bits Pentium is also a microprocessor : Why not develop a PJRC TEENSY PC ? Without operating system, but with all the libraries.
    It would be the ideal platform merging very high...
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    OK ! 2048 is of course a maximum. That's why one...

    OK ! 2048 is of course a maximum. That's why one must have wav stored in RAM. But for embedded, particular applications, for example a 16' or 32' pedal extension for small organs, only 2 simulaneous...
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    Polyphony need 12 simultaneous wav files, (10...

    Polyphony need 12 simultaneous wav files, (10 fingers + 2 feet) and multi stops need to multiply this number by the number of stops.
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    Dear Manfred, Indeed, I designed a PCB board...

    Dear Manfred,

    Indeed, I designed a PCB board with TEENSY 3.1, which can be seen on:
    http://pascal.leray.free.fr/web_org/org_en.html
    Which is running fine. This board can proocess up to 6...
  35. Dear Paul, OurOrgan open source code is...

    Dear Paul,

    OurOrgan open source code is available.
    I upload the 1538 open source code release on my website :
    http://pascal.leray.free.fr/downloads/ourorgan_src_1538.7z

    Please advise me when...
  36. 036-C.wav means that the first C key on the organ...

    036-C.wav means that the first C key on the organ keyboard must launch the 036-C.wav,
    036-C#.wav for the C#, and so on.
    Don't mind with the complex OurOrgan ODF (object description file). Which are...
  37. OurOrgan and Hauptwerk softwares are doing this...

    OurOrgan and Hauptwerk softwares are doing this task, but, indeed, all the .wav files are loaded at the beginning in about 3GB RAM. (4GB RAM are sufficient for running very large pipe organs on PC)...
  38. Yes, raw audio files are lloking primarily more...

    Yes, raw audio files are lloking primarily more simple than wav files, but many Virtual Pipe Organs are using .wav format.
    Which is a good, worldwide used audio format, without compressing.
    As a...
  39. No problem, Paul ! You can download public...

    No problem, Paul !
    You can download public domain .wav files on :
    http://www.familjenpalo.se/vpo/download
    There are several interesting .wav files, recorded directly from real Pipe ! Outstanding...
  40. Dear Paul robsoles and all ! I'm now home...

    Dear Paul robsoles and all !

    I'm now home again, and all is perfectly running ! Hardware and software. My software on the PC was simply sending MIDI On messages at a wrong address.
    But now, we...
  41. Soundbank organ keyboard

    Of course, dear Paul ! I checked the waveplayer, with a SANDISK 16GB as you recommend, and ot's running fine.
    So the hardaware is running perfectly.
    But there is no example today with a mix of...
  42. Teensy audio board as a soundbank organ keyboard

    Hi paul and all,

    I'm trying to use the Teensy audio board as an organ keyboard with soundbanks, using teh 16GB SAN DISK.
    Th board is running perfectly, when I'musing the waveplayer example.
    ...
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    Dear Paul, I have now designed sets of...

    Dear Paul,

    I have now designed sets of MIDI/USB boards using Teensy 3.1 . (fantastic computer !) Response time <1mS, fairly simple.
    http://pascal.leray.free.fr/web_org/org_en.html

    I am...
  44. TEENSY large bandwidth is OK but other MIDI peripherals are not recognized.

    The probleme is not the TEENSY bandwidth, (I highly appreciate the TEENSY speed with USB) but only the fact that the other MIDI Peripheral is ignored by the system.
    Thanks a lot for your reply. i'm...
  45. USING SEVERAL MDI/USB audio peripherals : TEENSY 3.1 takes all the bandwidth

    Hi all !

    I'm using 2 MIDI/USB peripherals connected to 2 USB ports directly on the motherboard :
    TEENSY 3.1 (used as as an expression pedal), and a separate MIDI->USB interface.
    When I connect...
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    Of course, TEENSY 3.1 can't load such huge files....

    Of course, TEENSY 3.1 can't load such huge files. But some new prototype based on a powerfull 32bits ARM, with 4GBytes of external RAM memory and 2x16bits audio output could do the job.
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    Hi Paul ! Indeed, the TEENSY concept is very...

    Hi Paul !
    Indeed, the TEENSY concept is very attractive, as one can compile and load directly C++ code, without any boring operating system. It could be extended to other hardware boards, with 2 or...
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    Yes, you can have some free, high quality...

    Yes, you can have some free, high quality soundbanks at :
    http://pascal.leray.free.fr/musique/banques_de_sons_en.html
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    The weight of the magnets is irrelevant : I am...

    The weight of the magnets is irrelevant : I am using magnets 3x5x20mm. Largely under the key weight.
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    Hi ! Of course, wav files are too large for the...

    Hi !
    Of course, wav files are too large for the 64 KBytes memory. But maybe another 32 or 64 bits ARM processor could manage 2 or 4 MBytes of fast RAM. (as it's done on INTEL 80xx). Moreover, wav...
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