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By sayanee
#70211 Thanks @jarnoldbrown! I have tried to simulate it on the circuit simulator: http://tinyurl.com/y8wrndog

It seems like the GPIO12 pin (which I am using to read the value right after wake up), does not hold onto LOW for long enough for the ESP to wake up so that I can read the LOW value.

jarnoldbrown wrote:The diode is round the wrong way. Also, I was assuming you were using PIO16 to wake from sleep. In which cas you need another diode from PIO16 to /RESET. One again the diode needs to have the arrow pointing away from the /RESET pin.