Today when i compiled my code of OLED SH1106 spectrum analyser,
When i compiled the code i got many errors, i solved those but the last error isn't solving, it's #include "freertos/ringbuf.h" compilation terminated. And I'm using Arduino ide 2.0.4 and Arduino Uno r3
did the error show up when using the older version (1.somehting) of the IDE?
A UNO does not work like a ESP32. ESP32's have a freeRTOS ringbuffer extension, the Uno does not.
Thanks but I'm getting library issue not board or performance issue
Can you share the error screenshot with the complete code
It means that the library you use is not for Arduino Uno
@krishna_agarwal , do not teach beginners bad 
Errors should be inserted as text, not pictures.
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That's true but I just want to check if there anything is also displaying
The board you are using is a Uno?
Yes it's Arduino Uno r3 but I'm getting library issue,
Issue is arm_math.h no such file or directory
An Uno does not run FreeRTOS. An Uno dos not contain an ARM processor. Whatever it is you're attempting to do, it will not work.
post your code.
ohk, Thanks
You are welcome.
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