Thank you very much ESP_krzychb !

BTW, there is conflicting information in the ESP Product Selector https://products.espressif.com/#/product-comparison and the ESP32-MINI-1 Datasheet https://espressif.com/sites/default/files/documentation/esp32-mini-1_datasheet_en.pdf : In all versions of the ESP32-MINI-1 Module it says CPU Xtensa® ...

Now I understand. Thank you very much!

Thank you ESP_Sprite for your answer.
In my question I have made reference to a specific development board and a specific microprocessor.
Could I have a more specific answer, please?

Hello. In the ESP32-DevKitM-1 Development Board documentation ( https://docs.espressif.com/projects/esp-idf/en/latest/esp32/hw-reference/esp32/user-guide-devkitm-1.html ) we can read: ! Attention ESP32-DevKitM-1 is a board with a single core module, please enable single core mode (CONFIG_FREERTOS_UN...

wesS2020, Thank you very much for your great help. I was already going crazy trying to figure out why ESP-NOW wasn't working for me after waking up from Light Sleep.