Deep-Sleep needs WiFi and Bluetooth switched OFF for low current consumption
rudi48 made some investigations regarding power saving during deep sleep here.
Summary:
To achieve maximum power saving during deep sleep it is necessary to switch off Bluetooth and WiFi before calling esp_deep_sleep_start();
Example:
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#include <esp_wifi.h> #include <esp_bt.h> ... esp_wifi_stop(); esp_bt_controller_disable(); esp_deep_sleep_start(); |
