Hi boarchuz, thanks for your answer. True it's possible but then its more "work" to find out what triggert the wake up. At a German Forum I got a simple hint: //Button (GPIO 26) auf Low (0) esp_sleep_enable_ext0_wakeup(GPIO_NUM_26,0); //Button (GPIO MASK = 2^27 = 0x800 0000 -> GPIO 27) auf Low (0) e...

Hi, trying to wake up my esp32 (ttgo t-call) from deep sleep with the esp_sleep_enable_ext1_wakeup function. But my RTC ds3231 alarm pulls low on alarm event. that's with the ext1 methode a problem for me, because I want to use as a second possibility to wake up by push button. the ext1 function can...