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  • CorBee's Avatar
    08-14-2019, 07:11 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Well we have Edwin who assembles these modules and he might have a go at trying one without the central pad connected. So never ... say never
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-14-2019, 07:08 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Well the Mic is PCB mounted and thus that central pad is not something I can or will try to fiddle with ... its way to small for programmers ;) I am used to buttons instead of a microscope
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-14-2019, 06:55 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Frank, I am using one of the mics from Edwin so probably the central pad is connected. That 23Khz peak should be associated with something on the board I am quite sure but ... what is still a question. For the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-14-2019, 05:59 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Yep I see it now, but its a bit small and only shows the spectrum till 20Khz Here's one I made of the same microphone with a 1 transistor pre-amp on the PCB Edwin has created.
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-14-2019, 05:13 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Frank The attachment seems to be unavailable. regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-13-2019, 02:16 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have just uploaded V094 on the github repository. 0.94 important changes: -Lower menu format on screen now follows the alignment of the encoders/buttons on Edwins PCB. So the encoders control the lower line...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-12-2019, 01:55 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, In the past few weeks I have been building a detector using the v0.1 PCB designed by Edwin and using the same box (thanks for the support) he is using. irst The image slows from right to left the different...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-09-2019, 09:12 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, More about direct recording can be found overhere; https://github.com/WMXZ-EU/microSoundRecorder/wiki But there are more projects like that, a lot of good information (mainly in french) can be found overhere...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-09-2019, 08:02 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Frieder, Welcome to the teensy forum. Its known that I2S is possible with a Teensy (see https://forum.pjrc.com/threads/49065-ICS43434-I2S-Digital-Microphone-and-Teensy-3-2_ ) but for the batdetector you need a...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-09-2019, 06:07 AM
    CorBee replied to a thread Bat detector in Audio Projects
    You are getting a nice collection ;) Interesting work on the shape and position of the cone. I wonder if I can add such structure also to the GX16 connector. Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-08-2019, 06:36 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, V093 (available on github) is a minor update, there were problems with setting the sample_rate in the previous version(s) now setting the sample_rate from both the left or rightside encoder should be working...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-08-2019, 05:23 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Edwin Thats a special setup ;) The lines are indeed very clean, just a hint of the normal noisy lines. Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-07-2019, 05:01 PM
    Congrats on the release !
    4110 replies | 416970 view(s)
  • CorBee's Avatar
    08-06-2019, 05:41 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Well I think the way the menu is currently constructed is not yet the most logical setup. So we can do something about this when overhauling the menu structure once more. One of the things that isnt logical is that...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-05-2019, 09:23 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I just uploaded some work I have done on the PLAY and RECORD section. On my detector this seems to work again as planned and it also has several improvements compared to previous versions. This is the info I...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 03:51 PM
    CorBee replied to a thread Bat detector in Audio Projects
    The temperatures of previous weeks were off course beyond specs nearly. I need some time to get the recording/playing system working as before. For instance in the original mode the system would read the allready...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 02:54 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Ride of 80k went fine, enough wind like always ;) The delay is associated with the switch between the playing or recording mode. It now switches every time you start a recording whilst that can be done also once at...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 08:28 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I think I know where that originates, I will change that later today ... first I am going to do a bikeride. Thanks for testing Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 07:50 AM
    CorBee replied to a thread Bat detector in Audio Projects
    I will probable stick to the transistor based amplifier on your earlier PCB or use your new PCB and create a small subboard with the preamp directly behind the microphone. Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 07:17 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have uploaded v0.91 with the new code that should (hopefully) solve the issues with replay of file (max_files on SD currently 50 but that will change), the hex is also available. Please test this and report...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-04-2019, 06:53 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I am making some progress on this, I have been able to isolate the issue as a conflict between the playing/recording parts of the code. There is no simple solution yet but it also does not look like something that...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-03-2019, 08:02 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Nice work Edwin and thanks for sharing not only the option to get boards from you but also your design/setup. I am hoping to start building mine using your PCB and guidance after the weekend. regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-01-2019, 11:49 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Just checked and the version that is available on the 7th of june (v084) does still have a working system to replay files. So it looks as if the changes we have made afterwards when trying to solve the issues with the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-01-2019, 09:05 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I was allready notified by Edwin that the latest versions have problems with playing recorded files. When I checked yesterda my detector also seems to be affected by this, I am using v0.89. When I go the to...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    08-01-2019, 09:01 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have uploaded a word version (made with LibreOffice) of the manual with a new structure/image and more information at https://github.com/CorBer/teensy_batdetector/tree/master/documentation Its by no means a...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-31-2019, 08:58 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Thanks for sharing !
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-31-2019, 06:26 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I think it would be interesting to see how people have currently been building/housing for the detectors. Edwin (PE1WF) has been so kind to share his way to build a detector and it might be nice to see some more...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-31-2019, 06:21 AM
    CorBee replied to a thread Bat detector in Audio Projects
    OK, I will try documenting the basic functionality this week. I will create a DOC with some screenshots and will use your initial DOC as the startingpoint. After we all agree that the basic functionality is OK it can be...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-31-2019, 04:31 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remi, When do you want to have the manual ready ? I am willing to help you on this and a manual is in many project the thing that gets little attention so this is a good moment/reason to make an initial manual. ...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-28-2019, 08:38 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi https://github.com/CorBer/teensy_batdetector contains both the hex and the source voor v0.89. No major changes 0.89 -eeprom version 0001 -indicator for low-high detectionrange in graph for AUTO_TE -menu...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-27-2019, 05:05 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, Good to hear you could save ! I suggest not changing param currently, its an experimental setting I am working on and this allows me to try different settings. Param currently is used to set the minimum time...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-27-2019, 03:13 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, When you turn RL until PRESS_DEFAULT you are setting the system to always start using the DEFAULTS (programmed), you need to turn RL to PRESS_USER and then Press RL to go from white back to yellow. So turn the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-26-2019, 09:18 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Thanks and done as suggested
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-26-2019, 07:37 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi seriesman, Thanks for the info, its always good to know that people are using it. If you have specific requests/ideas/problems ... dont forget to share/bug us with those too ;) Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-26-2019, 05:31 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, Thats odd. The startup EEprom shows 0000h at startup indeed as that is the version of the EEprom parametersset that is getting saved. That will change only because of adding a new parameter to the set of...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-25-2019, 08:18 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remi, Good to hear. Did you try the EEprom saving feature allready ? regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-24-2019, 11:24 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Paul, Can we remove his message if this is the case ? Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-24-2019, 11:14 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, You want to know the number of people that have built and used this detector based on the Teensy ? If you read the forum you can see those that have actively participated thusfar, thats less than 10 people I...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-24-2019, 07:10 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have uploaded both the source and the pre_compiled HEX for v0.88. As stated earlier this contains the new EEprom setup, this allows you to save the current settings as a default for the next startup. For this...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-21-2019, 08:10 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have tried to compare the sensitivity of the SPU0410 vs the ICS40730 using one of Edwins PCBs for the ICS40730. I used a UST transducer (midfrequency 40Khz) to transmit a signal at 35, 45, 55 and 65 Khz, the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-20-2019, 05:42 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have made several HT receivers myself using such an ultrasonic microphone(UST/USR 40Khz), but their sensitivity is really not comparable to the ICS or SPU microphones. So it might be that the ICS picks up a...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-19-2019, 07:42 PM
    CorBee replied to a thread Bat detector in Audio Projects
    When you mention adding an ultrasonic microphone you mean the spu0410lr5h-qb ?
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-19-2019, 01:49 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remi, For me its unclear which amp you are currently using. So comparing isnt just possible, I am using a two-stage transistor preamp which is for instance also different from the setup that Edwin uses. Another...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-19-2019, 08:02 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have uploaded a precompiled version firmwarev088.hex onto the Github repository for those that want to test this. As this is a work in progress things might not work completely yet. How does it work ?...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-18-2019, 03:29 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hello Remi, The way I have set things up there will be an update at maximum once per minute currently. That way the 100000 writes will not be spoiled too fast. But for a state I will implement a preset-setup that...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-18-2019, 11:10 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hello, Working on the next version currently, this is not yet available but I am interested to hear from users what they would like to have "recorded" between sessions. Based (once again) on code from Frank(DD4WH) I...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-18-2019, 07:04 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Edwin, I am using a 16Gb Fat32 formatted card, have not experienced problems but will check today again as I am busy with v0.87. EDIT: just checked and I had no problem recording/playing files on v0.86 and...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-17-2019, 09:50 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remi, Thanks for the response and have a nice holiday with hopefully quite some bats that you can detect/record. As I am mainly busy on the software please tell what you find works awkward, is missing or does not...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-17-2019, 06:08 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I am interested to see if any of the proposed changes (opamp etc) is another improvement in the hardware design. There is always a difference between the simulation and reality and it would be nice to see a...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-13-2019, 10:41 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Be aware that the code in the bat-detector also uses //try to avoid interrupts as they can (possibly ?) interfere during recording #define ENCODER_DO_NOT_USE_INTERRUPTS
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-13-2019, 06:24 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Thats indeed special, if you try to use the encoder library to do the same does it still work ? THis is the library https://www.pjrc.com/teensy/td_libs_Encoder.html regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-12-2019, 04:21 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I suggest trying to start a check of the hardware, are the lines of the encoders connected to the teensy ? You can read from the code which line of the encoder should be directly connected to which pin on the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-03-2019, 01:49 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remis, Thanks for the info, so you managed to compile v086 using the uSDFS-master library of the 3rd of june 2019. Its important to mention that too, nice to see that testing different arduino versions also can...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-02-2019, 05:01 AM
    CorBee replied to a thread Bat detector in Audio Projects
    I have added the precompiled_082 again to the repository in the pre_compiled_hex directory
    435 replies | 31496 view(s)
  • CorBee's Avatar
    07-02-2019, 04:54 AM
    CorBee replied to a thread Bat detector in Audio Projects
    HI all, It is always possible to download an older version of the code, to do this you need to go to https://github.com/CorBer/teensy_batdetector/commits/master/main.cpp This will show all moments in time that files...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-30-2019, 08:58 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, No change (at least not intentional) for the playback. It still is part of the main menu structure (position in the menu is after Sample Rate) Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-30-2019, 08:15 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Edwin Thanks for chiming in to help new users. I was busy with other stuff. ' regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-25-2019, 07:59 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Remis, Looks Like the click of a button ;) Also be aware that if you look at the spectrum after reducing the speed the spectrum is also "divided" ! The wobble is a bit odd I think, looks as if you have static...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-25-2019, 06:27 PM
    CorBee replied to a thread Bat detector in Audio Projects
    @remis In Audacity you do FILE-IMPORT-RAW DATA, in the dialog select your file. Than Audacity will ask - Encoding : set that to signed 16bit - Byte Order: Little Endian -Channels : 1 channel -Start Offset:0...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-25-2019, 08:32 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, You are mixing things up I think. Keep an eye on who responds. The v086 is indeed available as is the compiled hex from my system, that should also work as a simple upload to the teensy without the need to...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-25-2019, 06:55 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I uploaded the code (v0.86) yesterday to the teensy and also the hardware was functioning as planned, both recording/play of files is working. I have not done any detailed analysis of the quality of the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-24-2019, 07:46 AM
    CorBee replied to a thread Bat detector in Audio Projects
    I know that its more default to work with arduino but I do program MSP430/ESP8266/Teensy/Orange Pi etc and most of it from VisualCode using platformIO. Although its a non standard setup its very easy and allows me to...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-24-2019, 06:16 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, Yes for me this compiles. Have not uploaded yet to teensy to test if hardware agrees, but I expect no direct problems. Will try later today (after work). I hope Edwin en Remis can test your suggestion to clear...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-24-2019, 04:31 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi WMXZ, The libraryname is just for storage, platformio has a librarysystem where available libraries can be downloaded using a #id. Your library is #2957. So no doubles but I will see if the previous version I was...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-23-2019, 12:06 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, In my setup I got errors with the new way to call granular, could easy switch back by commenting line 275 #include "effect_granular.h" and then renaming mAudioEffectGranular granular1; back to...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-23-2019, 11:47 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, Thanks very much for trying to get this working, I will wait until people that have the hardware and the windows-setup report back without compiler issues. In the mean time I will set this up in my environment...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-23-2019, 10:19 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Just saw that Edwin (pe1wf) has tried to use the new code (0.85) but still got compilation errors using a windows setup. It seems the whole structure of reading/writing to SDcards needs to be reconstructed to untangle...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-23-2019, 05:44 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Did I miss one then ? In the ff_utils_copy library I have no references to ff_utils or ff anymore ... and also not in the main code. A reference to ff is needed for other functions
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-23-2019, 05:25 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I an attempt to solve the problems in the windows environment I have split the function seconds2tm away from dependencies related to uSDFS. To do this I have copied/changed the ff_utils(.c/.h) file and renamed...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-22-2019, 10:31 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I do not think that the original source of Frank DD4WH was only using tm2seconds from uSDFS. That error raised when people where trying to ommit using the SD for recording, but that is not really the...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-22-2019, 07:15 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, I have just added the hex files that Edwin mentioned in message#259, they are available on github from https://github.com/CorBer/teensy_batdetector/tree/master/pre_compiled_hex kind regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-22-2019, 06:49 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, You mention a corberjune.ino.hex ... that you download ... I guess that is a compiled version of my code that I upload at https://github.com/CorBer/teensy_batdetector ? When sharing your work (and problems) try...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-21-2019, 08:45 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi Edwin, Good to see you are also able to attend the thread again. regards Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-21-2019, 05:48 AM
    CorBee replied to a thread Bat detector in Audio Projects
    Hi, Which SD card are you using ? Do you have the same problems with the original sketch from DD4WH ? Cor
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-20-2019, 01:52 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Nothing special, just use any setting you wish. Recording is ment to save raw data for later analysis. And like stated using 44Khz SR is not at all effective for bats. You should use at least 96Khz (for bats that dont...
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-20-2019, 12:00 PM
    CorBee replied to a thread Bat detector in Audio Projects
    Be aware that recording will switch to heterodyne mode as we cannot heavily process the incoming raw data at the same time. And using SR 44Khz will not record bats as you can guess
    435 replies | 31496 view(s)
  • CorBee's Avatar
    06-20-2019, 08:42 AM
    CorBee replied to a thread Bat detector in Audio Projects
    The SD should be from a good type, I think Frank DD4WH has even tested the effect of lesser quality SDcards. I am using a toshiba Exceria 16Gb that works as planned.
    435 replies | 31496 view(s)
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