Hi all, I'd appreciate if someone could explain to me why my ESP32 module does not power down when in deep sleep mode? The ESP32 is connected to a battery shield like this: https://www.aliexpress.com/item/4000200690185.html?spm=a2g0o.productlist.0.0.709c5ec9d6RQ34&algo_pvid=71f88c45-aa34-40f1-9af7-8...

@ESP_Sprite

Spot on, removing the analog read resolved the issue. Thank you!

Hi I cannot seem to figure out why the attachInterrupt is not working. I read from the sensor fine, however the ISR is not called. //cosntants for the pins where sensors are plugged into. const int sensorPin = 2; //Set up some global variables for the light level an initial value. int lightInit; // ...