Master ESP32

#include <Wire.h>
#include "esp_camera.h"

void setup() {
  Wire.begin();  // Start I2C communication
  camera_init(); // Initialize the camera module
}

void loop() {
  camera_fb_t *fb = esp_camera_fb_get();  // Capture an image frame
  if (!fb) {
    Serial.println("Camera capture failed");
    return;
  }
  // Send image data over I2C to Slave ESP32
  Wire.beginTransmission(8); // Address of Slave ESP32
  Wire.write(fb->buf, fb->len); // Send image data
  Wire.endTransmission();

  esp_camera_fb_return(fb);  // Return frame buffer to free memory
  delay(2000);  // Delay before next capture
}