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I am researching different IoT development boards and found that Espressif uses the IDF framework. When I looked at the source code it uses FreeRTOS libraries.

I have an Arduino Uno and I want to use FreeRTOS for programming it. I found that FreeRTOS has multiple libraries that support different microcontrollers. Arduino Uno has an ATmega328P and FreeRTOS has libraries for it.

I also found libraries for the Arduino family of boards.

What is the difference between these two libraries?

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    One is a demo, the other is a library. One is not for Arduino but for "bare metal" programming, the other is for Arduino. They're both FreeRTOS.
    – Majenko
    Dec 11, 2020 at 11:10
  • Thank you Majenko for the clarification Dec 12, 2020 at 9:30

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ATmega328PB is not the same MCU as used by Arduino boards. Those use ATmega328P (no B). ATmega328PB is a mostly compatible successor and offers more timers, built-in touch functionality and more but does not come in large DIP packages. Arduino uses the older ATmega328P.

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