const int wakeupPin = 3;  // GPIO 4 for external wake-up https://www.programmingelectronics.com/external-wake-up-esp32/
RTC_DATA_ATTR int bootCount = 0;  // Number of reboots

const int sleep_pin = 4;  //for testing
int buttonState = 0;  //for testing


void setup()
{


  Serial.begin(115200);  // Start serial port at 115200 baud rate
  
  pinMode(wakeupPin, INPUT_PULLUP);  // Declaring the pin with the push button as INPUT_PULLUP
  bootCount++;  // Increment the number of boots by 1
  Serial.println("Boot number: " + String(bootCount));  // Print the boot number
  esp_sleep_enable_ext0_wakeup((gpio_num_t)wakeupPin, LOW);  // Configure external wake-up
  delay(1000);  // Adding a 1 second delay to avoid multiple presses
  Serial.println("I'm going to sleep now.");  // Print a statement before entering deep sleep
   pinMode(sleep_pin, INPUT_PULLUP);



 pinMode(sleep_pin, INPUT); 


}
void loop()
{

if (buttonState == 1) {esp_deep_sleep_start;}  // Enter deep sleep mode

//for testing
    buttonState = digitalRead(sleep_pin);
   if (buttonState == HIGH) {     
Serial.println ("1");
  } 
  else {Serial.println ("0");
  }
  

delay(1000);
}