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Type: Posts; User: Nebula525

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    Hi Richard :D, I've put together a bill of...

    Hi Richard :D,

    I've put together a bill of materials, just wanted to confirm with you if you have the time before going out and sourcing parts. Here is a google spreadsheet of all the parts:...
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    Good idea, youíre right. No need for them to be...

    Good idea, youíre right. No need for them to be mounted on the PCB. Thanks for the suggestion on the jacks.

    Iíll go ahead and convert the .brd to a Gerber file and order some blank PCBs if...
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    Good to know, did not realize you could plug in...

    Good to know, did not realize you could plug in unbalanced signals to balanced inputs and expect it to work. Iím just hoping there wonít be a lot of noise, but I guess Iíll see once I try it out.
    ...
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    Hi Richard, Ah didnít realize haha, Iíll get...

    Hi Richard,

    Ah didnít realize haha, Iíll get to ordering parts! Sounds like a fun project you got going there. Hopefully your PCBs arrive soon!

    The 4.1 is great 👍 Teensys are super fun to play...
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    Howís it going @palmerr? Hope all is well! Just...

    Howís it going @palmerr? Hope all is well! Just wanted to check in and see where you are at. Stay safe 🤘
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    Great to hear! Iím so excited 😬😬 Yes, youíre...

    Great to hear! Iím so excited 😬😬 Yes, youíre absolutely right about needing a big battery. I was planning on using 1-2 18650 cells and a TP4056 charging module. So for each cell that should hopefully...
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    By the way, does this circuit have to run off the...

    By the way, does this circuit have to run off the 5V pin? Just asking out of curiosity. Iím wondering because when I run the Teensy off a battery, Iím concerned it wonít be able to supply the 5V...
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    Iím glad the answer came to you over a good...

    Iím glad the answer came to you over a good nightís rest. By the way Iím definitely in no rush so definitely take your time.

    The files and board look awesome on github 👍
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    Just ordered my Teensy 4.1 and audio board 😬...

    Just ordered my Teensy 4.1 and audio board 😬 Super excited for this! Shout out to Paul for making these awesome products. 8 MB of flash memory 😮
  10. Thanks Pete, nice catch. Maybe check out this...

    Thanks Pete, nice catch.

    Maybe check out this older thread of someone who was having a similar issue Pangolin?...
  11. I may be wrong here but according to the source...

    I may be wrong here but according to the source of free verb: roomsize is stored in a variable "n" which is passed into a "sat16" from dspinst.h. This object is only defined once during object...
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    Ah, completely misunderstood as I thought. The...

    Ah, completely misunderstood as I thought. The dual ganged pot sounds promising. Best of luck, let s know how it goes!
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    If you have a multimeter, perhaps put it in...

    If you have a multimeter, perhaps put it in continuous mode (may have a speaker or music icon) and touch the probes to every leg next to each other. If you hear a beep, it means there is a bridge in...
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    I think we should go the DPDT route if it will...

    I think we should go the DPDT route if it will allow us to have two phantom separate phantom power switches. In my opinion, the space trade off here is worth it- if I am understanding that correctly....
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    I agree, letís not add the extra headers. I...

    I agree, letís not add the extra headers.

    I actually like the idea of using traditional LEDs simply for their shape. For me, it means I can make a small hole in my enclosure and stick the head of...
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    Okay, yeah I thought it would introduce a lot of...

    Okay, yeah I thought it would introduce a lot of design problems. Scratch that! The WS2812B sounds like a cool idea. In my opinion, if the WS2812B is being used to save one GPIO the cost might...
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    I just found these really cool potentiometers....

    I just found these really cool potentiometers. They have a clear shaft which can light up and models PEL12D & PEL12T have a built in push switch.

    Theyíre expensive at about $4 each from mouser...
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    Hi Richard 👋 Looking pretty damn good 😱 I...

    Hi Richard 👋

    Looking pretty damn good 😱 I think we should leave out the tricolor LED. I feel as if it would be hard for people to manufacture enclosures correctly implementing the function even...
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    No problem at all! Itís looking great. One...

    No problem at all! Itís looking great.

    One aesthetic related thing I was looking at was push buttons that internally illuminated but I couldnít find any and didnít know if they would complicate...
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    Any updates on this thread? Is FFT really not...

    Any updates on this thread? Is FFT really not working on teensy 4.0 + the audio board?
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    Okay, great to know about the SGTL's mic pre. I...

    Okay, great to know about the SGTL's mic pre. I think you may be thinking of @mhelin who suggested running the THAT chip from phantom power.

    For USB power, I think going off of USB 2.0 spec....
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    One further question- would using one side of the...

    One further question- would using one side of the line input per a combo jack lose stereo compatibility of signal going into the jack? For example, if I am using a guitar pedal that produces stereo...
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    Great, thank you for your enlightenment on this...

    Great, thank you for your enlightenment on this topic. Super awesome getting to learn from someone who really knows their stuff like you!

    1. Very cool. This doesn't mean audio will only be...
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    Awesome! I'm glad we are getting more discussion...

    Awesome! I'm glad we are getting more discussion on this.

    The layout looks great to me in terms of physical size. I think 5" width for two inputs is not a bad deal and since this design has...
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    Richard, The design looks great! I wonder if...

    Richard,

    The design looks great! I wonder if they made the mic input output through both channels to facilitate mono recording, as mono is a typical way to record microphones. Anyway, if we have...
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    I think option 2 is the better one in this case....

    I think option 2 is the better one in this case. A dual state push button shouldn't really take up too much space and allows for people to use more of their GPIOs for their projects. I know I have to...
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    I found another module that has a switching...

    I found another module that has a switching frequency of 400khz. Iím not quite too sure if it meets the other specifications fully though.
    ...
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    I see, as you can tell- I donít know much about...

    I see, as you can tell- I donít know much about electrical engineering.

    This all sounds great! Keeping the pot if it allows us to use it as a gain control knob sounds awesome. Very cool idea of...
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    I get how the switching works now, beautiful...

    I get how the switching works now, beautiful engineering. Combo jacks are truly a gift.

    2. Ah, I see now about the pot. My thinking was to have a knob next to the combo jack as an input gain- as...
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    Hi Palmer 👋 Beautiful work!! I love the the...

    Hi Palmer 👋

    Beautiful work!! I love the the board layout and it simply looks fantastic! Great idea of having the physical pot there for gain control.

    I definitely donít mind going with the...
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    I now realize that the line out on the audio...

    I now realize that the line out on the audio board is meant to be run through an amp in order o play on monitor speakers. This makes spec #7 useless because it becomes a matter of finding the right...
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    Great! So Palmerr and I have been talking about...

    Great! So Palmerr and I have been talking about creating a spec for this project. We want to share the design with the community for anyone else who may find it helpful.

    This spec is going to be...
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    Fantastic! Thank you so much for your great work...

    Fantastic! Thank you so much for your great work and schematic. I saw your audio boards previously and they looked amazing. I messaged you with an inquiry on design. Thank you!!
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    XLR Input on Audio Shield

    Hello 👋

    I am planning on adding an XLR input for a condenser microphone onto my audio shield. I have found another thread (https://forum.pjrc.com/threads/42198-Phantom-powered-Teensy) in which...
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