In it's place we use a much faster and huge 64 Mbit PSRAM chip (quad SPI RAM chip: ESP-PSRAM64H). This chip is volatile and forgets its contents at power down. For working space of PSBT files during ...

But after replacing another type of PSRAM chip to PSRAM64H, it failed to recognize when I ran an ESP-IDF example and enabled the PSRAM configuration. What is the reason? Yes, ESP32 supports ...