Helmut Bitter

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Hi Ursu-Alex, would you mind to give some more details: - what HW are you using? - Arduino IDE version, which Board is selected, what is selected under Tools (screenshots...

Hi Ursu-Alex, you are trying to compile for ESP32 an example (probably BasicWrite.ino from https://github.com/tobiasschuerg/InfluxDB-Client-for-Arduino) as far as I can see. Sorry, but I cannot help. I have no experience...

Equipment from Gfs looks really nice - it is in a different price range. Regards, Helmut

Hi glosair, I don' t know what your motivation is to place the microphone on a piggypack underneath the Teensy. One thing you should consider is, that the overall frequency...

glosair, that sounds interesting. I know that application note from InvenSense. We tried to get hold of the membrame (McMaster-Carr Part Number 86435K31) they suggested in the AN but had...

Hi Burkhard, further up there is an Application Note from TDK/InvenSense mentioned. In the Application Note InvenseSense shows this picture: ![Microphone Response with Different Protective Seal Materials](https://user-images.githubusercontent.com/559304/105375235-d5b78500-5c08-11eb-8863-9cee032ac28b.png) Regards, Helmut

Hi Burkhard, coefficients of biquad filter: that was a mixture of using software for calculating the coefficients than doing a lot of measurements and repetitions of that. We did overall...

Hi erduino, - can you tray to access the NodeMCU with a diffenrent Web Browser instead of Edge Browser (Mozilla, Chrome, Brave). It is possible that your problem is linked...

Hallo erduino, - wieviel Flash Speicher hat das Board, das Du benutzt? Der ESPHome-Flasher zeigt das u.a. an. Wenn das Board nur 1MB hat, funktioniert es nicht mit dem Board....

Hi Peter, the experiences with IM72D128 are quite good. There will be no changes except, that I will update the files to KiCad Version 7. We just recently did measurements...