ESP32. Store tempor...
 
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ESP32. Store temporary data in RTC memory during deep-sleep


christophe
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The ESP32 has 16KB of SRAM called RTC fast memory which allows data to be stored even when the processor is put to sleep. Data stored in RTC memory is not erased during deep sleep. They persist until the reset button (or the EN input of the ESP32 board) is pressed.

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