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  1. hey paul, i believe i may have pinpointed the...

    hey paul, i believe i may have pinpointed the problem. running the following code:



    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include <SerialFlash.h>
    #include...
  2. ok, so it seems to kind of work now. every two...

    ok, so it seems to kind of work now. every two channels are tied together though (1+2, 3+4, 4+5...) and giving the same reading. and every other potentiometer doesnt effect any of the readings. so...
  3. 21718 here's my wiring for potentiometers,...

    21718

    here's my wiring for potentiometers, both 20k and 100k currently not working. if i wire the second pin of the potentiometer into A2 instead of the mux signal pin, it works normally. i dont...
  4. @kallikak: i made a mistake in the diagram, i had...

    @kallikak: i made a mistake in the diagram, i had kept the EN pin on GND because i saw that in a lot of wiring diagrams online and tutorials for this multiplexer

    thanks guys for all the replies!...
  5. sweet project man!!! it looks like you used the...

    sweet project man!!! it looks like you used the same multiplexer that i did, any chance you could take a look at my wiring and help with my issues?...
  6. 21691 It looks like I'm getting pretty similar...

    21691

    It looks like I'm getting pretty similar behaviour whether or not I add the resistor to this wiring. Sometimes the readings go crazy, sometimes the readings are 0 on all channels but when my...
  7. sniffing the surroundings for voltage is a great...

    sniffing the surroundings for voltage is a great way to put the behaviour i'm seeing hahahaha. how do i know what value resistor to use? do i need to do a bunch of circuit math because that was my...
  8. i had thought floating meant that something...

    i had thought floating meant that something wasn't connected to ground. Am I misunderstanding this term? This project uses 4 multiplexers, 2 for buttons and 2 for potentiometer knobs. i'll switch to...
  9. oops! sorry i've tied the EN pin to gnd, a...

    oops! sorry i've tied the EN pin to gnd, a mistake on my part in the diagram. i'll swap to the 3.3v pin from the 5v. I have multiple multiplexers, is it a problem if they're connected to the same...
  10. heres my code: #include ...

    heres my code:



    #include <Audio.h>
    #include <Wire.h>
    #include <SPI.h>
    #include <SD.h>
    #include <SerialFlash.h>
    #include <Bounce.h>
  11. thanks for the quick reply, i'm using a delay of...

    thanks for the quick reply, i'm using a delay of 5000 microseconds, does that sound too fast?
  12. Teensy 4.0 Audio Project Multiplexer Wiring Help

    Hey guys, not specifically related to the Audio stuff with the Teensy, but everyone here has been super helpful in the past so I was wondering if anyone could help with my multiplexer wiring:
    ...
  13. Thanks for the help. So along with 23,21,20,8,...

    Thanks for the help. So along with 23,21,20,8, and 7 I'll also need GND(between 3.3 and Vin), 3.3V, 18, 19. Awesome, thanks.
  14. Question about minimal required pin hookups between Teensy 4.0 and audio adapter

    Hey guys, I'm working on an audio project with a bunch of inputs and just wanted to make sure my research was correct on which pins I'll need to connect to make this function. I don't need to use the...
  15. The only thing soldered to my board is the Audio...

    The only thing soldered to my board is the Audio Adapter, but I had tested that to be working long before I had any of these issues arise. I haven't added any external power to my setup either.

    I...
  16. I'm not seeing any activity when clicking the...

    I'm not seeing any activity when clicking the pushbutton whether all my pins are connected/disconnected or whether or not the Teensy loader is in Auto mode or not. My computer is not recognizing a...
  17. 1. LED strip is powered just using the USB power....

    1. LED strip is powered just using the USB power. The Teensy is plugged into USB, the Vin pin is connected to the +5V pin on the LED strip.

    2. The Teensy isn't recognized as a USB device whether...
  18. Yea did I do something wrong from my description...

    Yea did I do something wrong from my description above to suggest I fried it!!! Im worried hahaha
  19. On my teensy I had the following pin connections:...

    On my teensy I had the following pin connections:

    GND > breadboard ground
    Vin > +5V pin on LED strip
    Digital Pins 0,1,2 > R,G,B on LED strip

    I just saw a notification about a power surge on...
  20. Thanks for the quick reply! Auto mode is off, and...

    Thanks for the quick reply! Auto mode is off, and the Program/Reboot buttons are greyed out. Tools > Port in the Arduino editor is also greyed out and it is not a connected USB device. Pressing the...
  21. Teensy 4.0 will receive USB power but won't connect to a computer as a USB device

    When I plug my Teensy into my computer with a USB cable (I know its not the cable or USB port because my other Teensy works fine) it will receive power and it will power my LEDs (super basic code)...
  22. hey thanks everyone for all the info :)

    hey thanks everyone for all the info :)
  23. What is the current state of Audio Library support for the Teensy 4.0?

    Howdy everyone,

    I've been doing a bit of digging on the forums and am a bit confused by the extent of the Audio Library I can utilize with my Teensy 4.0 with the Audio Shield.

    Is there any up...
  24. Thanks for the help Paul. Using the hex file for...

    Thanks for the help Paul. Using the hex file for the 4.0 worked! I must have been using an old version of the blink code that wasn't working.

    I'm trying to make sure I soldered the Audio Shield...
  25. When I first connected it to my computer it did....

    When I first connected it to my computer it did. Somewhere during the course of me attempting to switch between the fast blink and slow blink programs is when I began to experience the issue noted...
  26. Thanks for the reply Paul. I'm not seeing a slow...

    Thanks for the reply Paul. I'm not seeing a slow red LED blink. Also the Teensy is showing up as a USB device when its plugged in (Teensy USB Serial). What is happening is as follows:

    When I press...
  27. Teensy 4.0 - On Program/Reboot Teensy loses power & disconnects! (Beginner)

    Hello PJRC!

    I got a Teensy 4.0 and soldered on the audio shield, following this tutorial: https://www.youtube.com/watch?v=UJcZxyB5rVc

    Everything seemed fine, I plugged it in to my computer, the...
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