“ This article focuses on the ESP32-S3, explaining its SPI Flash partition table settings, connection to Flash, and also introduces partition table configuration and initialization mounting of each partition.” 01 — Introduction 1. The Partition Table of ESP32-S3 (Partition Table) is a configuration mechanism used to divide the SPI Flash storage space. Its function is … Read more
In the Deep Sleep mode of the ESP32, data in ordinary memory is lost because the main CPU and most peripherals are powered off. However, RTC Memory (RTC Slow/Fast Memory) and non-volatile storage (such as Flash/NVS) can be used to preserve data during sleep. Below are detailed methods and considerations for data preservation: 1. Data … Read more
The Settings subsystem provides methods for persistent storage configuration and runtime status. Developers can flexibly choose the backend to store configuration and status in specified permanent storage based on actual conditions. In simple terms, the Settings subsystem can be used to store data such as volume and duration, which remain effective even after rebooting. The … Read more