Guess what? I hit another wall.
It seems the camera is giving trouble, despite me configuring the pins as here:
here
E (218) camera: Camera probe failed with error 0x20001
ESP_ERROR_CHECK failed: esp_err_t 0x20001 (ERROR) at 0x4008a228
0x4008a228: _esp_error_check_failed at /home/marta/esp/esp-idf/components/esp32/panic.c:721
file: "/home/marta/Arduino/esp32-cam-ai-thinker/examples/google_storage/main/main.c" line 195
func: app_main
expression: esp_camera_init(&camera_config)
config XCLK_FREQ
int "XCLK Frequency"
default "20000000"
help
The XCLK Frequency in Herz.
menu "Pin Configuration"
config D0
int "D0"
default "32"
config D1
int "D1"
default "35"
config D2
int "D2"
default "34"
config D3
int "D3"
default "5"
config D4
int "D4"
default "39"
config D5
int "D5"
default "18"
config D6
int "D6"
default "36"
config D7
int "D7"
default "19"
config XCLK
int "XCLK"
default "27"
config PCLK
int "PCLK"
default "21"
config VSYNC
int "VSYNC"
default "25"
config HREF
int "HREF"
default "26"
config SDA
int "SDA"
default "4"
config SCL
int "SCL"
default "13"
config RESET
int "RESET"
default "15"
endmenu
