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Onboard USB chip may interfere with deep sleep. (#2627)

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* Update deep_sleep.rst

Added note to explain that onboard USB chip may interfere with deep sleep.

* Update deep_sleep.rst

Added note to explain potential with deep sleep on some ESP8266

* Update deep_sleep.rst
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RubyBailey 2023-02-05 11:21:00 -08:00 committed by GitHub
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components/deep_sleep.rst
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@ -30,6 +30,10 @@ even Over The Air updates.
run_duration: 10s
sleep_duration: 10min
.. note::
ESP8266 that have an onboard USB chip (e.g. D1 mini) one the chips' control lines is connected to the RST pin. This enables the flasher can reboot the ESP when required. This may interfere with deep sleep on some devices and prevent the ESP from waking when it's powered through its USB connector. Powering the ESP from a separate 3.3V source connected to the 3.3V pin and GND will solve this issue. In these cases using a USB to TTL adapter will allow you to log ESP activity.
Configuration variables:
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