diff --git a/driver/camera.c b/driver/camera.c
index 33a15ad..a923070 100755
--- a/driver/camera.c
+++ b/driver/camera.c
@@ -852,6 +852,18 @@ esp_err_t camera_probe(const camera_config_t* config, camera_model_t* out_camera
         vTaskDelay(10 / portTICK_PERIOD_MS);
         gpio_set_level(config->pin_reset, 1);
         vTaskDelay(10 / portTICK_PERIOD_MS);
+    } else if(config->pin_pwdn >= 0) {
+		ESP_LOGD(TAG, "Resetting camera by power down line");
+        gpio_config_t conf = { 0 };
+        conf.pin_bit_mask = 1LL << config->pin_pwdn;
+        conf.mode = GPIO_MODE_OUTPUT;
+        gpio_config(&conf);
+
+		// carefull, logic is inverted compared to reset pin
+		gpio_set_level(config->pin_pwdn, 1);
+		vTaskDelay(10 / portTICK_PERIOD_MS);
+		gpio_set_level(config->pin_pwdn, 0);
+		vTaskDelay(10 / portTICK_PERIOD_MS);
 #if CONFIG_OV2640_SUPPORT
     } else {
         //reset OV2640
diff --git a/driver/include/esp_camera.h b/driver/include/esp_camera.h
index 4b23789..10da228 100755
--- a/driver/include/esp_camera.h
+++ b/driver/include/esp_camera.h
@@ -16,6 +16,7 @@
  *
     static camera_config_t camera_example_config = {
         .pin_reset      = PIN_RESET,
+        .pin_pwdn       = PIN_PWDN,
         .pin_xclk       = PIN_XCLK,
         .pin_sscb_sda   = PIN_SIOD,
         .pin_sscb_scl   = PIN_SIOC,
@@ -77,6 +78,7 @@ extern "C" {
  */
 typedef struct {
     int pin_reset;                  /*!< GPIO pin for camera reset line */
+	int pin_pwdn;                   /*!< GPIO pin for camera power down line */
     int pin_xclk;                   /*!< GPIO pin for camera XCLK line */
     int pin_sscb_sda;               /*!< GPIO pin for camera SDA line */
     int pin_sscb_scl;               /*!< GPIO pin for camera SCL line */