Hi.
Did you upload the files to the microSD card root folder?
Where are you placing the files?
 
Regards,
Sara

Hello Sara, yes the SD card was programed as per the RNT Tutorial: “ESP32: Guide for MicroSD Card Module using Arduino IDE” (screenshot below verified the configuration on the SD card). This tutorial worked as designed and correctly wrote and read with the embedded SD card reader/ writer on the Elecrow 3.5in. ILI9488 TFT ESP32-Wromer-B Display  (screenshot attached below: test.txt $ foo.txt files).
https://randomnerdtutorials.com/esp32-microsd-card-arduino/
https://imgur.com/a/TijY291
I have noticed the screen color changes every

Hi.
It’s hard to tell what might be wrong.
The error mentions it cannot find the images. But, as you’ve shown the images are on the SD card root folder.
 
Maybe it is better to try to open an issue in the library Github page or try to contact the developer.
 
Regards,
Sara
 

Hi Sara, I am begening to think the problem might be that the 32GB SDHC micro card I used might be  the problem? I have connected Elecrow to see what is the configuration (develement age  mcroSD, microSDHC, micrSDXC or microSDUC) level of the embedded SD card module on their TFT display board. 
A Guide to SD and microSD Card Types – Kingston Technology 
Also, as a long shot, I have ordered an 2GB SD micro card to see if that is the resolve the issue, cross our fingers!

Will not see the 2GB microSD cards til Thursday, stay tuned!

Then, let me know if that will fix your issue.
Regards,
Sara

Sara, I finally received a microSD 2GB card; unfortunatelly that did not resolve the issue????
 
16:20:13.537 -> Card Mount Failed
16:20:13.672 -> ERROR: File “/EagleEye.jpg” not found!
16:20:15.824 -> ERROR: File “/Baboon40.jpg” not found!
16:20:17.974 -> ERROR: File “/lena20k.jpg” not found!
16:20:20.137 -> ERROR: File “/Mouse480.jpg” not found!

Hi.
I’m not sure what might be wrong.
In your code, try changing the image path by removing the /
For example, try it like this:
drawSdJpeg(“EagleEye.jpg”, x, y); // This draws a jpeg pulled off the SD Card
 
Let me know if this makes any difference.
 
Regards,
Sara

I think I may have found the issue? I have sent an email for Elecrow’s Tech Support for  their input regarding that their database User_Setup.h file not defining the SD chip select pin. We shall see what they have to say????
 
Part of the email to Elecrow Tech Support: 
// Set all chip selects high to avoid bus contention during initialisation of each peripheral:

 
  digitalWrite(22, HIGH); // Touch controller chip select (if used)
  digitalWrite(15, HIGH); // TFT screen chip select
  digitalWrite( 5, HIGH); // SD card chips select, must use GPIO 5 (ESP32 SS)

 
 
The User_Setup.h file in your data base does not define the SD card chips select?
 
C:\Users\Paul\Documents\Arduino\libraries\269-Elecrow-3.5-TFT-with-ESP32-built-in-main
 

#define ILI9488_DRIVER
 
//#define TFT_INVERSION_OFF
#define TFT_BL   27
#define TFT_BACKLIGHT_ON HIGH
 
#define TFT_MISO 12
#define TFT_MOSI 13
#define TFT_SCLK 14
#define TFT_CS    15 – User_Setup.h matches the sketch
#define TFT_DC    2 
#define TFT_RST   -1
#define TOUCH_CS 33 – Sketch must be changed to 33

Please advise about the SD card chips select pin selection required.

Hello Sara, so Elecrow Tesh Support sent the following SD card define bits which I added to the User_Setup.h and t, with the same error message?!?!?!?!?!?
#define SD_MOSI 23//added per Elecrow’s Tech Support
#define SD_MISO 19
#define SD_SCK 18
#define SD_CS 5
11:29:54.438 -> Card Mount Failed
11:29:54.571 -> ERROR: File “/EagleEye.jpg” not found!
11:29:56.729 -> ERROR: File “/Baboon40.jpg” not found!
11:29:58.852 -> ERROR: File “/lena20k.jpg” not found!
11:30:01.017 -> ERROR: File “/Mouse480.jpg” not found!
Arduino 1.8.12 Sketch – ESP32_SDcard_jpeg.ino posted on  Pastbin

https://pastebin.com/QE38bUJW

I just noticed the following warning message while compiling and uploading???

C:\Users\Paul\AppData\Local\Temp\arduino_modified_sketch_545131\ESP32_SDcard_jpeg.ino: In function ‘void jpegRender(int, int)’:
C:\Users\Paul\AppData\Local\Temp\arduino_modified_sketch_545131\ESP32_SDcard_jpeg.ino:201:14: warning: unused variable ‘mcu_pixels’ [-Wunused-variable]
uint32_t mcu_pixels = win_w * win_h;
^~~~~~~~~~

The error is because you’re defining the mcu_pixels variable and you’re not using it. Just delete the following lines:
// calculate how many pixels must be drawn
uint32_t mcu_pixels = win_w * win_h;
 
However, that will not fix the issue.
 
 
The card mount failed issue is probably because the microSD card is not being initialized properly or the right pins are not being defined.
If your’re sure you’re using the right pins, double-check the lines that initialize the microSD card and compare with a working sketch.
 
 
Regards,
Sara