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  • hoho's Avatar
    05-09-2019, 08:51 PM
    The codec chip on OSH Park links to CS42448-CQZ. I've found CS42448-DQZ on AliExpress which seems to be exactly the same except for the wider working temperature range. Should DQZ match as well?
    7 replies | 1233 view(s)
  • hoho's Avatar
    05-08-2019, 01:24 AM
    Could you by any chance make two or three for me? If yes, what will the price look like?
    130 replies | 29981 view(s)
  • hoho's Avatar
    05-08-2019, 01:03 AM
    I think you have opened a Pandora's box for me... I was exploring more and that CS42448 is exactly what I need! Thanks. Am I correct that https://oshpark.com/shared_projects/2Yj6rFaW is the empty board only? Is there...
    13 replies | 275 view(s)
  • hoho's Avatar
    05-07-2019, 10:07 AM
    Soldered a jack and tested the pass through with an audio player. It works but the level directly from the Audio Player -> Phones is significantly higher than the level from the Audio Player -> ADC -> Pass through ->...
    3 replies | 169 view(s)
  • hoho's Avatar
    05-07-2019, 12:32 AM
    In desperation I have created even two topics on it :). Good news is that I have progress. That's the main one: https://forum.pjrc.com/threads/55963-Quad-channel-input-problem (I've reported the progress there)....
    13 replies | 275 view(s)
  • hoho's Avatar
    05-07-2019, 12:29 AM
    OMG, several nights of desperation and I think I have managed to make it working. I'm definitely doing it not 100% correctly, but here is my diff to the Audio library which makes my setup sound: diff --git...
    3 replies | 169 view(s)
  • hoho's Avatar
    05-06-2019, 09:42 PM
    @WMXZ that might be something I need. To get my thing working (https://forum.pjrc.com/threads/55963-Quad-channel-input-problem). But it exactly does compile, but doesn't work. And it seems incomplete (comparing to...
    11 replies | 820 view(s)
  • hoho's Avatar
    05-06-2019, 03:43 PM
    I try to realistically estimate my capabilities and that CS42448 is over my head for now. I am a software engineer with a little Arduino experience. I can solder the pins to the board, I can solder a resistor if I...
    13 replies | 275 view(s)
  • hoho's Avatar
    05-06-2019, 12:04 PM
    Thanks for the response! I will really try SD card. As you say, there is a chance that it will do the thing. It's just I've been looking at the similar reasoning (with some bandwidth calculations) in some other thread....
    13 replies | 275 view(s)
  • hoho's Avatar
    05-03-2019, 11:02 PM
    I'll repost it here since it really seems to be a technical support question and I fear the original topic will be buried (https://forum.pjrc.com/threads/55963-Quad-channel-input-problem). @PaulStoffregen was Teensy...
    0 replies | 69 view(s)
  • hoho's Avatar
    05-03-2019, 10:02 PM
    @PaulStoffregen was Teensy 3.6 ever tested with simultaneous quad channel input and output? It seems like there is a configuration problem. With the current configuration only quad channel output works. I was looking...
    3 replies | 169 view(s)
  • hoho's Avatar
    05-02-2019, 06:17 PM
    And I actually even doubt that flash memory is what I need. It seems I can't overwrite the data without erasing it first and the time to erase seems to be insane on a flash chip (tens of seconds to minutes)...
    13 replies | 275 view(s)
  • hoho's Avatar
    05-02-2019, 04:40 PM
    Or https://www.ebay.com/itm/5-PCS-W25Q128FWSIG-SOP-8-NOR-Flash-Serial-SPI-1-8V-128M-bit-16M-x-8-7-5ns/323757654506... I am definitely bad at reading the specs.
    13 replies | 275 view(s)
  • hoho's Avatar
    05-02-2019, 04:33 PM
    And I'm even more confused because in some specs W25Q128FVSG is 128MB in some others it's 128M-bit... I've found another one which seems to be 128MB:...
    13 replies | 275 view(s)
  • hoho's Avatar
    05-02-2019, 02:52 PM
    Hi, There is a number of threads on SPI Flash, the data is rather scattered and incomplete though. I would really appreciate some clarification. I need to record fragments of audio (from the ADC board), store...
    13 replies | 275 view(s)
  • hoho's Avatar
    05-02-2019, 01:50 AM
    hoho started a thread PCM1802 and FSYNC in Audio Projects
    Hi, I have two types of ADC boards, one is PCM1808, another one is PCM1802. PCM1808 connection is fairly simple (thanks to JayShoe who shared the info in another thread). But PCM1802 has one more pin called...
    1 replies | 69 view(s)
  • hoho's Avatar
    05-02-2019, 12:57 AM
    Hi, I'm using PCM1808 ADC board (as mentioned in this topic: https://forum.pjrc.com/threads/53069-Teensy-with-PCM5102a-Module-via-I2S) with Teensy 3.6. I'm trying to use two of them at a time. At first, I...
    3 replies | 169 view(s)
  • hoho's Avatar
    05-02-2019, 12:33 AM
    @JayShoe, just wanted to thank you again! I've received the devices and it seems to work (except for the quad channel input but I'll create another topic about it as it seems to be a bug).
    22 replies | 2074 view(s)
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CS42448 Audio Board BOM Replacements 05-09-2019 08:51 PM
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