ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify

ESP32-CAM using Blynk and Ultrasonic Sensor HC-SR04. When Ultrasonic sensor detected motion. ESP32-CAM takes a photo and send to LINE Notify.

ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify

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This code ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify Version 1

//ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify V.1

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "esp_camera.h"
#include "esp_system.h"

hw_timer_t *timer = NULL;
void IRAM_ATTR resetModule(){
    ets_printf("reboot\n");
    esp_restart();
}

//Get Auth Token in the Blynk App.
//value from pin  V1:CAM  V2:Sensor
char auth[] = "Your_Blynk_Auth_Token";

#include <TridentTD_LineNotify.h>
#define SSID        "Your_ssid"
#define PASSWORD    "Your_Password"
#define LINE_TOKEN  "Your_Line_Token"

// 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

//Your Sensor Pins
const int trigPin = 13;
const int echoPin = 15;
boolean startTimer = false;
unsigned long time_now = 0;
int pinSensor = 0 ,Cam_capture = 0 ,time_capture=0;
long duration;
int distance;

// This function will be called every time Slider Widget
// in Blynk app writes values to the Virtual Pin V1
BLYNK_WRITE(V1){
  Cam_capture = param.asInt();

}
BLYNK_WRITE(V2){  
   pinSensor = param.asInt();
}
void setup()
{
  Serial.begin(115200);
   while (!Serial) {  ;  }
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  WiFi.begin(SSID, PASSWORD);
  Serial.printf("WiFi connecting to %s\n",  SSID);
  while(WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(400); }
  Serial.printf("\nWiFi connected\nIP : ");
  Serial.println(WiFi.localIP());  
  LINE.setToken(LINE_TOKEN);
  Blynk.begin(auth,SSID, PASSWORD);
  
    timer = timerBegin(0, 80, true); //timer 0, div 80Mhz 
    timerAttachInterrupt(timer, &resetModule, true);
    timerAlarmWrite(timer, 20000000, false);
    timerAlarmEnable(timer); //enable interrupt

  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; 
  
  if(psramFound()){
// FRAMESIZE_ +
//QQVGA/160x120//QQVGA2/128x160//QCIF/176x144//HQVGA/240x176
//QVGA/320x240//CIF/400x296//VGA/640x480//SVGA/800x600//XGA/1024x768
//SXGA/1280x1024//UXGA/1600x1200//QXGA/2048*1536
    config.frame_size = FRAMESIZE_VGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_QQVGA;
    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);
    return;
  }
}

void loop()
{
  Blynk.run();
    timerWrite(timer, 0); //reset timer (feed watchdog)
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);
    duration = pulseIn(echoPin, HIGH);
    distance= duration*0.034/2;
    Serial.print("Distance: ");
    Serial.println(distance);
    if(Cam_capture == 1)
       Camera_capture();
    if(distance <= 200 && startTimer != true && pinSensor == 1){
           Camera_capture();
           startTimer = true;
      }else if(distance > 200){
        startTimer = false;
        time_capture=0;
      }
    if(distance <= 200 && pinSensor == 1){
         if(++time_capture > 4){
            time_capture=0;
            Camera_capture();
            Serial.println("Over Time");
          }
        }
      delay(500);
}

void Camera_capture() {
  camera_fb_t * fb = NULL;
  delay(200); 
  // Take Picture with Camera
  fb = esp_camera_fb_get(); 
  if(!fb) {
    Serial.println("Camera capture failed");
    return;
  }
   Send_line(fb->buf,fb->len);
   esp_camera_fb_return(fb);
   Serial.println("OK"); 

}

void Send_line(uint8_t *image_data,size_t   image_size){
   LINE.notifyPicture("DETECT!!",image_data, image_size);
  }

This code ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify Version 2

//ESP32-CAM Blynk Ultrasonic Sensor HC-SR04 with LINE Notify V.2

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "esp_camera.h"
#include "esp_system.h"

hw_timer_t *timer = NULL;
void IRAM_ATTR resetModule(){
    ets_printf("reboot\n");
    esp_restart();
}

//Get Auth Token in the Blynk App.
//value from pin  V1:CAM  V2:Sensor
char auth[] = "Your_Blynk_Auth_Token";

#include <TridentTD_LineNotify.h>
#define SSID        "Your_ssid"
#define PASSWORD    "Your_Password"
#define LINE_TOKEN  "Your_Line_Token"

// 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

//Your Sensor Pins
const int trigPin = 13;
const int echoPin = 15;
boolean startTimer = false;
unsigned long time_now = 0;
int pinSensor = 0 ,Cam_capture = 0 ,time_capture=0;
long duration;
int distance;

// This function will be called every time Slider Widget
// in Blynk app writes values to the Virtual Pin V1
BLYNK_WRITE(V1){
  Cam_capture = param.asInt();

}
BLYNK_WRITE(V2){  
   pinSensor = param.asInt();
}
void setup()
{
  Serial.begin(115200);
   while (!Serial) {  ;  }
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  WiFi.begin(SSID, PASSWORD);
  Serial.printf("WiFi connecting to %s\n",  SSID);
  while(WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(400); }
  Serial.printf("\nWiFi connected\nIP : ");
  Serial.println(WiFi.localIP());  
  LINE.setToken(LINE_TOKEN);
  Blynk.begin(auth,SSID, PASSWORD);
  
    timer = timerBegin(0, 80, true); //timer 0, div 80Mhz 
    timerAttachInterrupt(timer, &resetModule, true);
    timerAlarmWrite(timer, 20000000, false);
    timerAlarmEnable(timer); //enable interrupt

  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; 
  
  if(psramFound()){
// FRAMESIZE_ +
//QQVGA/160x120//QQVGA2/128x160//QCIF/176x144//HQVGA/240x176
//QVGA/320x240//CIF/400x296//VGA/640x480//SVGA/800x600//XGA/1024x768
//SXGA/1280x1024//UXGA/1600x1200//QXGA/2048*1536
    config.frame_size = FRAMESIZE_VGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_QQVGA;
    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);
    return;
  }
}

void loop()
{
  Blynk.run();
    timerWrite(timer, 0); //reset timer (feed watchdog)

    if(Cam_capture == 1)
       Camera_capture();
       
    if(pinSensor == 1){
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);
    duration = pulseIn(echoPin, HIGH);
    distance= duration*0.034/2;
    Serial.print("Distance: ");
    Serial.println(distance);
           
    if(distance > 2 and distance <= 300 && startTimer != true){
        Camera_capture();
        startTimer = true;
      }else if(distance > 300){
        startTimer = false;
        time_capture=0;
      }
    if(distance > 2 and distance <= 300){
         if(++time_capture > 4){
            time_capture=0;
            Camera_capture();
            Serial.println("Over Time");
          }
        }
    }
    delay(500);
}

void Camera_capture() {
  camera_fb_t * fb = NULL;
  delay(200); 
  // Take Picture with Camera
  fb = esp_camera_fb_get(); 
  if(!fb) {
    Serial.println("Camera capture failed");
    return;
  }
   Send_line(fb->buf,fb->len);
   esp_camera_fb_return(fb);
   Serial.println("OK"); 

}

void Send_line(uint8_t *image_data,size_t   image_size){
   LINE.notifyPicture("DETECT!!",image_data, image_size);
  }
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