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  • Helge's Avatar
    04-28-2021, 06:25 PM
    Helge replied to a thread Bat detector in Audio Projects
    I have an infrared video camera. This records 1 second before a noise is detected. I connected this to the audio output of the detector. In "mode TE" it works wonderfully. If I then switch to "AutoREC" and there is...
    844 replies | 92657 view(s)
  • Helge's Avatar
    04-24-2021, 10:53 PM
    Helge replied to a thread Bat detector in Audio Projects
    For the temperature sensor, I installed a copper sheet with the sensor drilled through on the outside. This is also how it measures the outside temperature. The GPS needs 27 mA for me. I had problems with the GPS,...
    844 replies | 92657 view(s)
  • Helge's Avatar
    04-24-2021, 03:58 PM
    Helge replied to a thread Bat detector in Audio Projects
    Have a new device built up and equal resistors 150 ohms as the others for GPS and temperature sensor installed. It works wonderfully. If you like this, it could be included in the circuit diagram.
    844 replies | 92657 view(s)
  • Helge's Avatar
    04-13-2021, 10:02 AM
    Helge replied to a thread Bat detector in Audio Projects
    Kudos to the inventors who developed this great device. Is there an advantage if you remove the 6 resistors again, possibly lower power consumption or interference. Is it possible to select and load different saved...
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-26-2021, 02:01 PM
    Helge replied to a thread Bat detector in Audio Projects
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-26-2021, 01:44 PM
    Helge replied to a thread Bat detector in Audio Projects
    Ich habe noch einen zusätzlichen Antennen und Mikrofonanschluss getestet. Die VLF Empfangseigenschaften sind gut. Man sieht gut den DCF 60 und 77 Zeitzeichensender.
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-17-2021, 04:41 PM
    Helge replied to a thread Bat detector in Audio Projects
    Hello Edwin, where is the GPS connected and is the code in the hex file in the current Teensybat1.0final.hex active.
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-12-2021, 11:57 AM
    Helge replied to a thread Bat detector in Audio Projects
    so denke sollte es richtig sein.
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-12-2021, 11:44 AM
    Helge replied to a thread Bat detector in Audio Projects
    Hallo WMXZ, ich habe die Unterlagen von dieser Seite: https://www.zachpoff.com/resources/diy-teensy-bat-detector/
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-11-2021, 04:03 PM
    Helge replied to a thread Bat detector in Audio Projects
    Ist da ein Fehler im Schaltplan? Das Mikrofonsignal wird über R2 und C6 gegen Masse Kurzgeschlossen. C1 sollte wohl an Pin 2 des TL972.
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-10-2021, 09:25 PM
    Helge replied to a thread Bat detector in Audio Projects
    Ich habe ein Horn montiert, das ist von einer kaputten Fahrradlampe. Dieses ähnelt einem Fledermausohr und bringt etwa 10db.
    844 replies | 92657 view(s)
  • Helge's Avatar
    03-10-2021, 08:28 PM
    Helge replied to a thread Bat detector in Audio Projects
    Danke für die schnelle Antwort. Ich habe R12 ausgebaut und als R9 eingebaut. So habe ich ein gedimmtes Display und ich kann die Hintergrundbeleuchtung so mit dem S3 ganz abschalten, das spart schon 35mA. Das helle...
    844 replies | 92657 view(s)
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