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Type: Posts; User: Anoat

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    TLC5940 and Teensy 4.1

    Good morning all:cool:,

    I need your help, I'm trying to use a teensy 4.1 with TLC5940 ... Unfortunately it doesn't work:mad:. The arduino IDE displays "unknown chip", it seems that the library is...
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    Hi, unfortunately I have the same problem, I have...

    Hi, unfortunately I have the same problem, I have a teensy 4.1 and I cannot get the TLC5940 to work ... Did you find a solution?
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    MIDI controlled analog synthesizer

    Hello everyone:D,

    It's been a while since I worked on the manufacture of an analog synthesizer totally controlled at midday.

    Thanks to your help and support, I realize this project a little...
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    Its good !!! I found the solution !! While...

    Its good !!! I found the solution !!

    While searching on the forum I found a member who wanted to light leds with midi messages.
    I took its code and I modified it to match the project (I have on /...
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    Midi to logic controls

    Hello everybody,

    I am currently making a USB MIDI controlled synthesizer. The microcontroller is a teensy 4.1. This should drive 2 dac Max11300 and 7 switch DG333.

    I specify, I am new to...
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    good now step 2: There it is well it works by...

    good now step 2:

    There it is well it works by midday in Usb, however for a synthesizer you need two envelopes, one for the vcf and one for the vca. So now the goal is to be able to manage two...
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    Its good !!! I found the solution ! I don't...

    Its good !!! I found the solution !

    I don't really understand why but the "word" variable was the problem .... I replaced it with "int" and everything works !!!!

    ...
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    Damn I forgot to specify, I use a Teensy 3.6 and...

    Damn I forgot to specify, I use a Teensy 3.6 and an MPC4922 for the DAC
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    Need help to MIDI control ADSR envelope

    Hello everyone!:cool:

    I come to implore your help for my project ...

    Let me explain THE PROBLEM:

    I am making an analog synthesizer totally controllable in MIDI.

    For the management of ADSR...
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    I use 23 digipots MCP41HV31. Finally I was...

    I use 23 digipots MCP41HV31.

    Finally I was able to recover 23 digital pins on the teensy.

    That's a lot of track! Now the question is "Demux or not demux".

    Is there any advantage to using...
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    Thank you for your answer, I also use mux4067 to...

    Thank you for your answer,
    I also use mux4067 to manage my analog pots from my midi controller.

    However in this case it is a digital potentiometer. I'm looking for a way to expand my CS pin (chip...
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    CS Pins expander 74HC154 or MPC23S17 ?

    Good morning all,

    I am writing to you because I have an existential question ...

    I use a teensy 3.6 which controls 25 digital potentiometers in SPI. Unfortunately, I do not have enough CS pins...
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    At first I planned to use comunication with the...

    At first I planned to use comunication with the coupler, but it was a lot of problem.

    In hindsight the USB communication seems more suitable in my project, because I intend to use 6 teensy with...
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    Indeed the DAC is for the synthesizer. The...

    Indeed the DAC is for the synthesizer.

    The MAX11300 is very interesting! I did not know, so I inquired about it, however there are several problems with this IC, firstly it is a 12bits, the...
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    wiring DAC AD5360

    Hello everyone,

    I intend to use a DAC AD5360 with my Teensy 3.6.

    However, I wonder about the connections.

    From the information I could find (datasheel / evaluation board / arduino library)...
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    voici un schéma du circuit de enveloppe piloté...

    voici un schéma du circuit de enveloppe piloté par un teensy 3.6.

    Le DAC sur le schéma est un DAC8718, 8 channels 16 bits. Sa plage de fonctionnement va jusqu’à 15V.
    https://imgur.com/rUBAsl8
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    HADSR with Teensy ?

    Hello everyone,

    As part of our synthesizer project, we chose to use the HADSR envellope from https://midisizer.com/5u/dds-ahdsr-for-5u-modulars/
    code source :...
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    In fact, that's what I did, however I put 7...

    In fact, that's what I did, however I put 7 together.

    While looking on the forum I found the answer to my question: MCP23S17, 16 pins digital in SPI. We can put 8 ic on the same port spi, the...
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    control 7 digital switch with minimum pins

    Good morning all,

    I need help with my synthesizer project.

    To control by MIDI the different analog switches of the synthesizers, I replaced them with digital switches (DG444 and MAX333ACWP). To...
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    https://i.imgur.com/N6wPLMG.png

    https://i.imgur.com/N6wPLMG.png
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    Synthesizer 6 voices by midi control

    Hello,

    I am currently making a 6 voice polyphonic synthesizer. I recently posted on this forum and your advice was very valuable.

    The signals of the switch and potentiometers of the controller...
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    Thank you for your reply. I thought of this...

    Thank you for your reply.

    I thought of this solution, however the Teensy USB port (MIDI controller) is already used for sending and receiving MIDI data from the computer.

    Maybe it is possible...
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    communication midi high speed between teensy

    Hello,

    I allow myself to write to you because I need your help and advice in my project. I am new to the world of teensy.

    I make an analog synthesizer controlled in "midi". For that I chose...
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