ESP8266 Community Forum

Hello,

I have read a lot of article about the ESP8266 and the 'deep sleep mode'.
But I don't find an answer for my case:
It is possible to put the ESP8266 (ESP01 version) in deep sleed mode (for an infinit time) and wake it up with an Arduino ? (with rst pin for example)
If yes, which firmware I must put ont the esp chip ?

Thanks a lot for your answer.
(Sorry for my poor english, I speak french all day, don't english )

Just connect CH_PD (pin 4 on ESP-01) to a GPIO of your Arduino, this way you can completely disable the ESP by pulling the GPIO low.

yes it is possible. you can use with nodemcu and rst pin

but is that a wake up or is it a reset?
I see Function 2 for GPIO16 (XPD_DCDC) to be EXT_WAKEUP and Function 3 to be DEEPSLEEP.
Maybe try using it in Func2? (You might need to solder a wire)