# Use lower CPU frequency CONFIG_ESP32_DEFAULT_CPU_FREQ_80=y # Enable support for power management CONFIG_PM_ENABLE=y # Enable tickless idle mode CONFIG_FREERTOS_USE_TICKLESS_IDLE=y # Use RTC timer as reference CONFIG_PM_USE_RTC_TIMER_REF=y # Put related source code in IRAM CONFIG_PM_SLP_IRAM_OPT=y CONFIG_PM_RTOS_IDLE_OPT=y