esp32-cam-webserver/camera_pins.h

/*  
 *   Pin definitions for some common ESP-CAM modules
 *   
 *   Select the module to use in myconfig.h
 *   Defaults to AI-THINKER CAM module
 *   
 */
#if defined(CAMERA_MODEL_WROVER_KIT)
//
// ESP WROVER 
// https://dl.espressif.com/dl/schematics/ESP-WROVER-KIT_SCH-2.pdf
//
#define PWDN_GPIO_NUM    -1
#define RESET_GPIO_NUM   -1
#define XCLK_GPIO_NUM    21
#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      19
#define Y4_GPIO_NUM      18
#define Y3_GPIO_NUM       5
#define Y2_GPIO_NUM       4
#define VSYNC_GPIO_NUM   25
#define HREF_GPIO_NUM    23
#define PCLK_GPIO_NUM    22
#define LED_PIN           2 // A status led on the RGB; could also use pin 0 or 4
#define LED_ON         HIGH // 
#define LED_OFF         LOW //
//#define LAMP_PIN        x // No LED FloodLamp.

#elif defined(CAMERA_MODEL_ESP_EYE)
// ESP-EYE
// https://twitter.com/esp32net/status/1085488403460882437
#define PWDN_GPIO_NUM    -1
#define RESET_GPIO_NUM   -1
#define XCLK_GPIO_NUM     4
#define SIOD_GPIO_NUM    18
#define SIOC_GPIO_NUM    23
#define Y9_GPIO_NUM      36
#define Y8_GPIO_NUM      37
#define Y7_GPIO_NUM      38
#define Y6_GPIO_NUM      39
#define Y5_GPIO_NUM      35
#define Y4_GPIO_NUM      14
#define Y3_GPIO_NUM      13
#define Y2_GPIO_NUM      34
#define VSYNC_GPIO_NUM    5
#define HREF_GPIO_NUM    27
#define PCLK_GPIO_NUM    25
#define LED_PIN          21 // Status led
#define LED_ON         HIGH //
#define LED_OFF         LOW //
//#define LAMP_PIN        x // No LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_PSRAM)
//
// ESP32 M5STACK
//
#define PWDN_GPIO_NUM     -1
#define RESET_GPIO_NUM    15
#define XCLK_GPIO_NUM     27
#define SIOD_GPIO_NUM     25
#define SIOC_GPIO_NUM     23
#define Y9_GPIO_NUM       19
#define Y8_GPIO_NUM       36
#define Y7_GPIO_NUM       18
#define Y6_GPIO_NUM       39
#define Y5_GPIO_NUM        5
#define Y4_GPIO_NUM       34
#define Y3_GPIO_NUM       35
#define Y2_GPIO_NUM       32
#define VSYNC_GPIO_NUM    22
#define HREF_GPIO_NUM     26
#define PCLK_GPIO_NUM     21
#elif defined(CAMERA_MODEL_M5STACK_WIDE)
#define PWDN_GPIO_NUM     -1
#define RESET_GPIO_NUM    15
#define XCLK_GPIO_NUM     27
#define SIOD_GPIO_NUM     22
#define SIOC_GPIO_NUM     23
#define Y9_GPIO_NUM       19
#define Y8_GPIO_NUM       36
#define Y7_GPIO_NUM       18
#define Y6_GPIO_NUM       39
#define Y5_GPIO_NUM        5
#define Y4_GPIO_NUM       34
#define Y3_GPIO_NUM       35
#define Y2_GPIO_NUM       32
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     26
#define PCLK_GPIO_NUM     21
// M5 Stack status/illumination LED details unknown/unclear
//#define LED_PIN          x // Status led
//#define LED_ON        HIGH // 
//#define LED_OFF        LOW //
//#define LAMP_PIN        x  // LED FloodLamp.

#elif defined(CAMERA_MODEL_M5STACK_NO_PSRAM)
//
// Common M5 Stack without PSRAM
//
#define PWDN_GPIO_NUM -1
#define RESET_GPIO_NUM 15
#define XCLK_GPIO_NUM 27
#define SIOD_GPIO_NUM 25
#define SIOC_GPIO_NUM 23
#define Y9_GPIO_NUM 19
#define Y8_GPIO_NUM 36
#define Y7_GPIO_NUM 18
#define Y6_GPIO_NUM 39
#define Y5_GPIO_NUM 5
#define Y4_GPIO_NUM 34
#define Y3_GPIO_NUM 35
#define Y2_GPIO_NUM 17
#define VSYNC_GPIO_NUM 22
#define HREF_GPIO_NUM 26
#define PCLK_GPIO_NUM 21
// Note NO PSRAM,; so maximum working resolution is XGA 1024×768

#elif defined(CAMERA_MODEL_AI_THINKER)
//
// AI Thinker
// https://github.com/SeeedDocument/forum_doc/raw/master/reg/ESP32_CAM_V1.6.pdf
//
#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
#define LED_PIN           33 // Status led
#define LED_ON           LOW // - Pin is inverted.
#define LED_OFF         HIGH //
#define LAMP_PIN           4 // LED FloodLamp.

#else
// that went badly...
#error "Camera model not selected, did you forget to uncomment it in myconfig?"
#endif