Sleep modes and Wi-Fi

[balix53]

Hello,

I would like to know more about the sleep modes and Wi-Fi with the ESP32 regarding this section in the documentation and the section "3.7 RTC and Low-Power Management" of the datasheet.

I need to maintain the connection to the Wi-Fi access point, as said in the documentation I can enable automatic light-sleep feature. But does it prevent my application to ever enter in deep-sleep mode ? The light-sleep mode consumes a bit much for my needs and it will be useful if there was a way to maintain the connection in deep-sleep.

Thanks.

[ESP_Sprite]

Light sleep does not prevent deep sleep. Deep sleep is something you go into on command. However, there's no way for deep sleep mode to keep the WiFi connection, as both the CPU as well as the WiFi hardware are powered off.

[balix53]

Thanks. I also found in the forums a really interesting document about low power solutions : https://www.espressif.com/sites/default ... s_en_0.pdf

But it's only for the ESP8266, is there any other one for the ESP32 ? I couldn't find it.