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  • pe1pwf's Avatar
    11-26-2020, 06:47 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    I would not expect the audioboard to get into trouble when you make a short on the teensy board. Did you lose microphone audio, or headphone (playback) or both? If the teensy does not "talk" to the audioboard the...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    11-26-2020, 12:36 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Hi Jim, Sorry to hear you damaged something. What is still working, and what is not working right now? There is a small fuse on the teensy, so if that blew you might be able to fix it. You can uses...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    11-21-2020, 05:42 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    I did simply connect one of the chinch output connectors (GND and signal lines) to the audio input lines of the TDA2030 amplifier board. And ofource the output of the amplifier to the ribbon tweeter. And I also...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    11-15-2020, 09:11 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Hi Justin. would you be so kind to share the code that you use to create the GUANO standard metadata? I might be nice for other user to have. For the hardware part also found something interesting to share. ...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    10-25-2020, 10:27 AM
    pe1pwf replied to a thread Bat detector in Audio Projects
    I guess I could also write something about the filenames and recording duration. We ran into an issue using autorecord. Upon creating a new autorecord file we there was a check for the next number. Somehow that...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    10-24-2020, 01:11 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Hi Justin, We are gathering samples much faster that the SGTL chip was intended for but it works. I guess the code describes who found the way to take quicker samples or maybe Cor can reply on that. It works just...
    682 replies | 69582 view(s)
  • pe1pwf's Avatar
    10-18-2020, 09:59 PM
    pe1pwf replied to a thread Bat detector in Audio Projects
    Hi Ivano, Are you still reading this tread? I guess so. I have been playing around with your schematic, it actually looks like something I tried before. And I mean the active filtering in te second opamp stage. I...
    682 replies | 69582 view(s)
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About pe1pwf

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About pe1pwf
Location:
Netherlands
Interests:
Ham radio / electronics
Occupation:
Mechanical and electrical service tecnician

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Bat detector 11-26-2020 06:47 PM
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11-11-2018