Camera Usage in Seeed Studio XIAO ESP32S3 Sense | Seeed Studio Wiki

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Camera Usage in Seeed Studio XIAO ESP32S3 Sense | Seeed Studio Wiki

This tutorial will explain how to properly use the camera on the XIAO ESP32S3 Sense.

https://wiki.seeedstudio.com/xiao_esp32s3_camera_usage/

[Mjrovai]

Some observations about the camera code on "Project I: Making a handheld camera":

1. If you want to use the SD card reader available on the XIAO ESP32S Sense, you should change the SD.begin(D2) to SD.begin(21), so it is not necessary to cut off J3.

2. The file saved on the SD card is not JPEG. It is raw data. It is necessary to convert the raw image to jpeg before saving. This is the code:
   if(display_is_pressed()){
   Serial.println("display is touched");
   char filename[32];
   sprintf(filename, "/image%d.jpg", imageCount);

   // Save photo to file
   size_t out_len = 0;
   uint8_t* out_buf = NULL;
   esp_err_t ret = frame2jpg(fb, 12, &out_buf, &out_len);
   if (ret == false) {
   Serial.printf("JPEG conversion failed");
   } else {
   // Save photo to file
   writeFile(SD, filename, out_buf, out_len);
   Serial.printf("Saved picture: %s\n", filename);
   imageCount++;
   free(out_buf);
   }
   }

3. Reducing XCLK_FREQ_HZ from 20KHz to 10KHz prevent the warning message "EV-VSYNC-OVF" appearing on Serial Monitor.

[MatthewJeffson]

Wow! Thank you so much for sharing it!

[t-lie]

Hey,
today I received my S3 sense from seedstudio.
Is there any sample Code or is it possible to generate a H264 RTSP stream for using within Frigate NVR ?
This would be great usecase.
thx

[MatthewJeffson]

Wow, it sounds a great idea!

[Peterhj05]

Hi. Can the OV5640 5MP Image Sensor?

[Peterhj05]

I was mean to ask, Can the OV5640 5MP Images sensor be connected instad of the supplied sensor?

[MatthewJeffson]

Yes, it can. The interesting thing is we are about launching the OV5640 image sensor :D
It is designed for (pin by pin) Seeed Studio XIAO ESP32S3 Sense.

[Peterhj05]

Hi Matthew. That is great news! Looking forward to hearing and seeing it!

[MatthewJeffson]

Hi, this is the link: https://www.seeedstudio.com/OV5640-Camera-for-XIAO-ESP32S3-Sense-With-Heat-Sink-p-5739.html