ESP32 enable and use external ram (SPI RAM / PSRAM)
Introducing ESP32-C3 | Espressif Systems
How to store data on ESP32 for IoT applications?
Use PSRAM
Inspect: Strange RAM size with ESP32 - PlatformIO IDE - PlatformIO Community
ESP32 Flash Memory - Save Permanent Data | Random Nerd Tutorials
ESP32 Memory Analysis — Case Study | by Mahavir Jain | The ESP Journal
ESP32 - need more RAM?
Tech Note 136 - ESP32 Using its 8K of RTC RAM to retain data variables during deep sleep. - YouTube
ESP32 Flash Memory - Save Permanent Data | Random Nerd Tutorials
ESP32 Programmers' Memory Model. Internal memory of the MCU is probably… | by Amey Inamdar | The ESP Journal
HEAP][v4.4.3][ESP32-S3] only 225KB of the 520KB SRAM is available for the heap. Why so little? (IDFGH-8857) · Issue #10281 · espressif/esp-idf · GitHub
ESP32 - Out of memory - How to solve this compiler error and get more of the memory you paid for! - YouTube