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  1. Thread: Bat detector

    by zlp
    Replies
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    60,757

    I'll follow-up via PM but in the meantime I put a...

    I'll follow-up via PM but in the meantime I put a summary on my website:
    https://www.zachpoff.com/resources/diy-teensy-bat-detector/
    Many thanks to Edwin and Cor for making this tool possible. As...
  2. Thread: Bat detector

    by zlp
    Replies
    652
    Views
    60,757

    One more code request: 4) It would be very...

    One more code request:
    4) It would be very convenient to have variable increments in the RTC clock set menu item (so when the encoder turns faster, the increments are minutes, but switch to seconds...
  3. Thread: Bat detector

    by zlp
    Replies
    652
    Views
    60,757

    I finally built my detector, using Edwin's board...

    I finally built my detector, using Edwin's board and MEMS mic PCBs. Truly an amazing project. I'm so grateful to all involved.
    I added a tiny LiPo charger from Adafruit to handle the battery...
  4. Thread: Bat detector

    by zlp
    Replies
    652
    Views
    60,757

    I wonder if the z-axis layering of the 3D-printed...

    I wonder if the z-axis layering of the 3D-printed horn causes audible artifacts since the ultrasound wavelengths are very short.

    Some simple observations about ultrasound horns:

    Peterson's M500...
  5. Thread: Bat detector

    by zlp
    Replies
    652
    Views
    60,757

    Edwin, thanks for the Teensy 4 advice. For now I...

    Edwin, thanks for the Teensy 4 advice. For now I will stay busy assembling the bat detector based on your guide and a Teensy 3.6. I just placed an eBay order for your board + several of the MEMS mic...
  6. Thread: Bat detector

    by zlp
    Replies
    652
    Views
    60,757

    This is my first time post, but I have been...

    This is my first time post, but I have been following this thread for a long time. I'm so impressed with the work so far! I'm interested in recording and monitoring bat sounds in an art and activism...
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