adding an external flash for data storage

[finha29]

Hi, I'd like to know if its possible to use the flash API to connect an external flash(not shared with main flash) in dual mode and not use WP and HOLD, I have left only 4 pins and I don't wanna use an SD card beacuse of the vibration environment.

thanks

[ESP_igrr]

This should be possible, you can connect unused pins (WP and HD) according to the datasheet of the flash chip.

To see how to set this up in ESP-IDF, please check this example: https://github.com/espressif/esp-idf/tr ... lash_fatfs