mopane worm — Esp32 Cam simulation

An interactive Esp32 Cam circuit simulation you can run free in your browser on Velxio, by seabecyber.

Components

• Breadboard
• Dht22
• Gps Neo6M
• Grove Analog Microphone
• Ili9341
• Pro Ili9341 Touch

Sketch code

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

const char* ssid = "YOUR_SSID";
const char* password = "YOUR_PASSWORD";

// AI-Thinker ESP32-CAM Pin Definitions
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22

void setup() {
  Serial.begin(115200);
  delay(1000);
  
  WiFi.begin(ssid, password);
  Serial.print("Connecting CAM to Wi-Fi");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("\nCAM Wi-Fi Connected!");

  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sccb_sda = SIOD_GPIO_NUM;
  config.pin_sccb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG; 

  // Safe lower resolution configuration to prevent memory starvation
  if(psramFound()){
    config.frame_size = FRAMESIZE_QVGA;
    config.jpeg_quality = 12;
    config.fb_count = 2;
    config.fb_location = CAMERA_FB_IN_PSRAM;
  } else {
    config.frame_size = FRAMESIZE_QQVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
    config.fb_location = CAMERA_FB_IN_DRAM;
  }

  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("CAM_ERROR: Init failed 0x%x\n", err);
    return;
  }
  
  Serial.println(F("CAM_STATUS: Initialized Successfully"));
}

void loop() {
  // Attempt frame capture with a built-in retry safety check
  camera_fb_t * fb = NULL;
  int retries = 3;
  
  while (fb == NULL && retries > 0) {
    fb = esp_camera_fb_get();
    if (!fb) {
      delay(500);
      retries--;
    }
  }

  if (!fb) {
    Serial.println(F("CAM_ERROR: Frame capture failed after retries"));
    delay(2000);
    return;
  }

  // Simulated optical confidence score for mopane worm presence
  int simulatedOpticalConfidence = random(35, 95); 
  
  Serial.print(F("OPTICAL_DATA|Bytes:")); 
  Serial.print(fb->len);
  Serial.print(F("|Confidence:")); 
  Serial.println(simulatedOpticalConfidence);

  // Return frame buffer back to the pool
  esp_camera_fb_return(fb);
  
  delay(5000);
}

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• mopane — ESP32