waking board from sleep with PIR Sensor and taking a picture is causing trouble

Hey guys,

I am new to arduino and was hoping you could help. I have a ESP 32 Cam and using arduino ide to program it. I have a PIR sensor that when triggered wakes up the board from deep sleep and takes a photo. For 15 sec it should then read the PIR sensor to wait to see if theres more motion. If there is it takes another photo. After the 15 seconds it should then send the photo to another board (havent gotten to this part so for now after the 15s it goes back to sleep).

However, after it wakes up and takes the photo, if it senses more motion it takes another picture, but when triggered again (3rd time), instead of just taking another picture it reboots completely and then takes a picture - this will cause issues when I later want to send the images after the 15s instead of the board just going to sleep. My code is below. Any advice will be greatly appreciated.

#include "esp_camera.h"
#include "Arduino.h"
#include "FS.h"                // SD Card ESP32
#include "SD_MMC.h"            // SD Card ESP32
#include "soc/soc.h"           // Disable brownour problems
#include "soc/rtc_cntl_reg.h"  // Disable brownour problems
#include "driver/rtc_io.h"
#include <EEPROM.h>            // read and write from flash memory
#include "DHT.h"               //Vir temperatuur sensor
#include <WiFi.h>"
#define EEPROM_SIZE 1
RTC_DATA_ATTR int bootCount = 0;

// Pin definition for CAMERA_MODEL_AI_THINKER
#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
int pictureNumber = 0;

void initSDCard( void ) {

  if( !SD_MMC.begin() ) { // fast 4bit mode
    if( !SD_MMC.begin( "/sdcard", true ) ) { // slow 1bit mode
  Serial.println( "SD card init failed" );

void captureImage(void){
  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_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_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;
  pinMode(4, INPUT);
  digitalWrite(4, LOW);
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
  // Init Camera
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x", err);
  Serial.println("Starting SD Card");
  initSDCard(); //initialise SD card
  camera_fb_t * fb = NULL;
  // Take Picture with Camera
  fb = esp_camera_fb_get();  
  if(!fb) {
    Serial.println("Camera capture failed");
  // initialize EEPROM with predefined size
  pictureNumber = EEPROM.read(0) + 1;    //keeps count of picture number
  // Path where new picture will be saved in SD Card
  String path = "/picture" + String(pictureNumber) +".jpg";
  fs::FS &fs = SD_MMC;
  Serial.printf("Picture file name: %s\n", path.c_str());
  File file = fs.open(path.c_str(), FILE_WRITE);
    Serial.println("Failed to open file in writing mode");
  else {
    file.write(fb->buf, fb->len); // payload (image), payload length
    Serial.printf("Saved file to path: %s\n", path.c_str());
    EEPROM.write(0, pictureNumber);
  // Turns off the ESP32-CAM white on-board LED (flash) connected to GPIO 4
  pinMode(4, OUTPUT);
  digitalWrite(4, LOW);

void setup() {

  int starttime = millis();
  int endtime = starttime;
  while(endtime - starttime <= 15000){
    int motion = digitalRead(13);
    if(motion == HIGH){
      Serial.println("Motion detected");
        Serial.println("no motion detected");
    endtime = millis();    

  esp_sleep_enable_ext0_wakeup(GPIO_NUM_13, HIGH); //PIR sensor will trigger wake up from deep sleep.
  Serial.print("going to sleep");


void loop() {
  // put your main code here, to run repeatedly: