I found a lot of infos about ESP32 and sleep. I like to let the esp32 sleep until I wake it up by Bluetooth, USB, or a Pin.
Bluetooth, USB, or Pin are working fine and all with interrupt.
But I can not even let teh ESP32 sleep.
I tried to implement esp_sleep.h in c code or in suplement code but I get a fail when I compile.
does anyone have a good idea?
regards
Stefan
A demo code from Martin:
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