165 questions
https://developer.sony.com/develop/spresense/docs/sdk_tutorials_ja.html↑SDK TutorialWhen creating this 2.1 section alarm sample application2.2.1 Write the build procedure
In the Spresense SDK tutorial, During the boot loader installation, the otkey not specified が is printed twice.root@ubuntu:~/tools/kconfig-frontends/spresense/sdk#./tools/flash.sh-e~/spresense-binarie...
As per the title, the SD card inserted into the expansion board is not recognized.I also suspected the contact between the main board and the expansion board, which is another questioner's solution, b...
If you play a chirp signal that transitions from 18 kHz to 48 kHz at a sampling rate of 96 kHz using a sprense, noise like the image will be generated.The part surrounded by green is the desired playb...
Currently, we are creating a program in arduino that records the value of the triaxial acceleration in flash memory on the spresense main board.However, the file is unstable, such as being created or ...
Is it possible to record on SD while checking the sound with headphones?I thought audio_through was the closest sample, but it didn't work well.(Nothing rings from the headphones.)There was no audio_t...
[Response] If you revert to the previous version below, the problem will no longer occur.SPRESENSE v1.1.3 Release (2018/1/16) In order to receive future updates, please let me know how to deal with th...
I have connected LEDs and speakers to the Spresense+LTE expansion board+acceleration sensor configuration.In order to use GPS (GNSS) and Audio, an error occurred during initialization and could not be...
I followed the Spresense Arduino tutorial for a sample program to play MP3 in spresense, and the following message was displayed on the serial monitor:What is the problem? What is 0x22 or 0xf1?initial...
I don't know how to use the high-level API in the Sony Spresense SDK, so please let me know.I'm thinking of developing a program that processes audio signals from microphone input with its own algorit...
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