After compiling and uploading a sketch, a digitalRead of a pin or an interrupt on a pin will do what it is supposed to. After a deepSleep(), the same event will reset the ESP8266. This example was ...

Hi, I have noticed a serious issue on digitalRead () on any pin. I have a system with a 47k pull-down resistor, and a switch that pull the pin high. However, I noticed that if I don't run the ...