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Firmware flashing error

I am flashing my Audiomoth devices with 1.10.1 firmware from 1.9.3. 19 of the devices flashed just fine, but one of them refused to cooperate. The given error is added as a screenshot below. I tried to detach and reattach, but no luck so far. The device itself seems to work. I can configure it, and the Audiomoth-live app gets a signal. I'll try to make some recordings during the night to check further. A week ago, the device was working properly.

I am using the latest MacOS operatingsystem.

7 comments

7 Comments

Alex Rogers

Jun 11

The SRAM also isn’t used when running as an AudioMoth USB Microphone. The best test is generally to record your own voice at 48kHz.

Oliver Kalda

Jun 21

Replying to

Look's like the device is dead. I put it out to record bats and I got a punch of files with no audio in them, just black sonogram. Thanks for help anyway.

Alex Rogers

Jun 21

Replying to

You should still be able to use this as an AudioMoth USB Microphone if you switch the firmware.

Oliver Kalda

Jun 21

Replying to

Thanks for the info. I'll keep that in mind.

Alex Rogers

Jun 04

Hi Oliver, Try unchecking the 'Use USB HID Flashing' option in the main menu for this device. The firmware is copied to the exernal SRAM on the AudioMoth and then a CRC check is performed. It's possible this AudioMoth has a bad SRAM. This workaround will enable you to flash the firmware. However, then check the audio quality in recordings. If it is just a few bits somewhere in the SRAM then you won't see any difference in recordings.

Alex

Edited

Oliver Kalda

Jun 11

Replying to

Your instructions worked and I managed to update the Audiomoth. Checking from the Audiomoth live app, the audio quality seems ok, but I will confirm this in the actual working environment before using the device to collect data.'

french macdonald

Dec 11

Replying to

Thanks for your guidance. space waves

Edited