Tag: Arduino

#include <Arduino.h>
#include <analogWrite.h>
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>


#define ADC_VREF_mV    3300.0 // in millivolt
#define ADC_RESOLUTION 4096.0
#define PIN_LM35       34

#define visitorLight 33
#define masterLight 32
#define visitorSocket 18
#define parlourLight 5 
#define masterSocket 19
#define parlourSocket 21

#define parlourDoorLeft 14 
#define parlourDoorRight 27 
#define visitorDoorLeft 26
#define visitorDoorRight 25
#define masterDoorLeft 13 
#define masterDoorRight 12 

const int ledPin = 2;
const int ledPin1 = 23;
const int ledPin2 = 15;

int fanWidget,fanWidget2, fanWidget3, visitorLightWidget, masterLightWidget, parlourLightWidget, visitorSocketWidget, masterSocketWidget, parlourSocketWidget; 
int visitorDoorWidget, masterDoorWidget, parlourDoorWidget;

#define Authorization_key "a6SdaWEnnAoXTmrYhX_GPvQ8hq_fDEvw" //EExmWR-3B8jC7H0ttOzr9qmtAciGW8DR
#define SSID "AncII"       // replace with your SSID
#define Password "eureka26"           //replace with your password



void openMaster(){
  digitalWrite(masterDoorLeft, LOW);
  digitalWrite(masterDoorRight, HIGH);
}


void closeMaster(){
  digitalWrite(masterDoorLeft, HIGH);
  digitalWrite(masterDoorRight, LOW);
}


void closeParlour(){
  digitalWrite(parlourDoorLeft, HIGH);
  digitalWrite(parlourDoorRight, LOW);
}

void openParlour(){
  digitalWrite(parlourDoorLeft, LOW);
  digitalWrite(parlourDoorRight, HIGH);
}


void openVisitor(){
  digitalWrite(visitorDoorLeft, LOW);
  digitalWrite(visitorDoorRight, HIGH);
}


void closeVisitor(){
  digitalWrite(visitorDoorLeft, HIGH);
  digitalWrite(visitorDoorRight, LOW);
}


BLYNK_WRITE(V0) {
visitorLightWidget = param.asInt();

if(visitorLightWidget == 1){
  digitalWrite(visitorLight, HIGH);
  Serial.println("Visitor's Light ON");
}

else{
  digitalWrite(visitorLight, LOW);
  Serial.println("Visitor Light OFF");
}

}


BLYNK_WRITE(V3) {
masterLightWidget = param.asInt();
 Serial.println(masterLightWidget);

if(masterLightWidget == 1){
  digitalWrite(masterLight, HIGH);
  Serial.println("master's Light ON");
}

else{
  digitalWrite(masterLight, LOW);
  Serial.println("master Light OFF");
}
}


BLYNK_WRITE(V4) {
parlourLightWidget = param.asInt();

if(parlourLightWidget == 1){
  digitalWrite(parlourLight, HIGH);
  Serial.println("parlour Light ON");
}

else{
  digitalWrite(parlourLight, LOW);
  Serial.println("parlour Light OFF");
}
}


BLYNK_WRITE(V16) {
visitorSocketWidget = param.asInt();

if(visitorSocketWidget == 1){
  digitalWrite(visitorSocket, HIGH);
  Serial.println("visitor Socket ON");
}

else{
  digitalWrite(visitorSocket, LOW);
  Serial.println("visitor socket OFF");
}
}


BLYNK_WRITE(V6) {
masterSocketWidget = param.asInt();

if(masterSocketWidget == 1){
  digitalWrite(masterSocket, HIGH);
  Serial.println("master Socket ON");
}

else{
  digitalWrite(masterSocket, LOW);
  Serial.println("master socket OFF");
}
}


BLYNK_WRITE(V7) {
parlourSocketWidget = param.asInt();

if(parlourSocketWidget == 1){
  digitalWrite(parlourSocket, HIGH);
  Serial.println("parlour Socket ON");
}

else{
  digitalWrite(parlourSocket, LOW);
  Serial.println("parlour socket OFF");
}
}



BLYNK_WRITE(V2) {
fanWidget = param.asInt();
Serial.println(fanWidget);
analogWrite(ledPin, fanWidget);
delay(10);
}


BLYNK_WRITE(V8) {
fanWidget2 = param.asInt();
Serial.println(fanWidget2);
analogWrite(ledPin1, fanWidget);
delay(10);
}


BLYNK_WRITE(V10) {
fanWidget3 = param.asInt();
Serial.println(fanWidget3);
analogWrite(ledPin2, fanWidget3);
delay(10);

}



BLYNK_WRITE(V11) {
visitorDoorWidget = param.asInt();
Serial.println(visitorDoorWidget);

if(visitorDoorWidget == 1){
  openVisitor();
  delay(2000);
   digitalWrite(visitorDoorLeft, LOW);
  digitalWrite(visitorDoorRight, LOW);
  }

else{
  closeVisitor();
  delay(2000);
digitalWrite(visitorDoorLeft, LOW);
  digitalWrite(visitorDoorRight, LOW);
}
}


BLYNK_WRITE(V12) {
masterDoorWidget = param.asInt();
Serial.println(masterDoorWidget);

if(masterDoorWidget == 1){
  openMaster();
  delay(2000);
  digitalWrite(masterDoorLeft, LOW);
  digitalWrite(masterDoorRight, LOW);  
}

else{
  closeMaster();
  delay(1000);
  digitalWrite(masterDoorLeft, LOW);
  digitalWrite(masterDoorRight, LOW);
}
}



BLYNK_WRITE(V13) {
parlourDoorWidget = param.asInt();
Serial.println(parlourDoorWidget);

if(parlourDoorWidget == 1){
  openParlour();
  delay(2000);
  digitalWrite(parlourDoorLeft, LOW);
  digitalWrite(parlourDoorRight, LOW);
  }

else{
  closeParlour();
  delay(2000);
 digitalWrite(parlourDoorLeft, LOW);
  digitalWrite(parlourDoorRight, LOW);
}
}



void setup() {
pinMode(parlourDoorLeft, OUTPUT);
pinMode(parlourDoorRight, OUTPUT);
pinMode(visitorDoorLeft, OUTPUT);
pinMode(visitorDoorRight, OUTPUT);
pinMode(masterDoorLeft, OUTPUT);
pinMode(masterDoorRight, OUTPUT);

  pinMode(visitorLight, OUTPUT);
  pinMode(masterLight, OUTPUT);
  pinMode(parlourLight, OUTPUT);
  pinMode(visitorSocket, OUTPUT);
  pinMode(masterSocket, OUTPUT);
  pinMode(parlourSocket, OUTPUT);

  Serial.begin(115200);


 analogWriteResolution(ledPin, 12);
 analogWriteResolution(ledPin1, 12);
 analogWriteResolution(ledPin2, 12);
  
  delay(10);
  WiFi.begin(SSID, Password);
  while (WiFi.status() != WL_CONNECTED) {
  delay(500);
  Serial.print(".");
    }
  Blynk.begin(Authorization_key,SSID,Password);


}




void loop() {
  // read the ADC value from the temperature sensor
  int adcVal = analogRead(PIN_LM35);
  // convert the ADC value to voltage in millivolt
  float milliVolt = adcVal * (ADC_VREF_mV / ADC_RESOLUTION);
  // convert the voltage to the temperature in °C
  float tempC = milliVolt / 10;
  // convert the °C to °F
  float tempF = tempC * 9 / 5 + 32;

  // print the temperature in the Serial Monitor:
  Serial.print("Temperature: ");
  Serial.print(tempC);   // print the temperature in °C
  Serial.print("°C");
    Serial.print("  ~  "); // separator between °C and °F
  Serial.print(tempF);   // print the temperature in °F
  Serial.println("°F");
  Blynk.virtualWrite(V14, tempC);
  Blynk.virtualWrite(V9, tempF);
Blynk.run();
delay(500);
 
}

#include <Arduino.h>
#include "esp_camera.h"
#include <WiFi.h>
#include <WiFiClient.h>
#include <WiFiClientSecure.h>
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#include <BlynkSimpleEsp32.h>
#include <UniversalTelegramBot.h>
#include <ArduinoJson.h>

const char* ssid = "AncII";
const char* password = "eureka26";
String chat_id;



//auth key sent by Blynk
char auth[] = "ghGtzWtTrA9-0uQWOps2GtHqBFWa1tlQ";  
// Initialize Telegram BOT
String BOTtoken = "5240120857:AAHGuPezJsephsTtGccZ3MfObsgO6qjtaYU";  // your Bot Token (Get from Botfather)


// Select camera model
#define CAMERA_MODEL_AI_THINKER // Has PSRAM
#include "camera_pins.h"
#define PIR 13
#define LED 4

String CHAT_ID = "746723461";

bool sendPhoto = false;
bool armed = false;
bool flashState = 0;

WiFiClientSecure clientTCP;
UniversalTelegramBot bot(BOTtoken, clientTCP);

//Checks for new messages every 1 second.
int botRequestDelay = 1000;
unsigned long lastTimeBotRan;

String local_IP;
void startCameraServer();


void configInitCamera(){
  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;

  //init with high specs to pre-allocate larger buffers
  if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;  //0-63 lower number means higher quality
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;  //0-63 lower number means higher quality
    config.fb_count = 1;
  }
  
  // camera init
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    Serial.printf("Camera init failed with error 0x%x", err);
    delay(1000);
    ESP.restart();
  }

  // Drop down frame size for higher initial frame rate
  sensor_t * s = esp_camera_sensor_get();

  if (s->id.PID == OV3660_PID) {
    s->set_vflip(s, 1); // flip it back
    s->set_brightness(s, 1); // up the brightness just a bit
    s->set_saturation(s, -2); // lower the saturation
  }
  
  s->set_framesize(s, FRAMESIZE_CIF);  //UXGA|SXGA|XGA|SVGA|VGA|CIF|QVGA|HQVGA|QQVGA
}


void handleNewMessages(int numNewMessages) {
  Serial.print("Handle New Messages: ");
  Serial.println(numNewMessages);
for (int i = 0; i < numNewMessages; i++) {
     chat_id = String(bot.messages[i].chat_id);
    if (chat_id != CHAT_ID){
      bot.sendMessage(chat_id, "Unauthorized user", "");
      continue;
    }
    
    // Print the received message
    String text = bot.messages[i].text;
    Serial.println(text);
    
    String from_name = bot.messages[i].from_name;
    if (text == "/start") {
      armed = true;
      Serial.println("system armed");
      String welcome = "Welcome , " + from_name + "\n";
      welcome += "Use the following commands to interact with the ESP32-CAM \n";
      welcome += "/photo : takes a new photo\n";
      welcome += "/flashLightOn : turn on flash \n";
      welcome += "/flashLightOff : turn off flash \n";
      bot.sendMessage(CHAT_ID, welcome, "");
    }

        
    if (text == "/flashLightOn") {
      digitalWrite(LED, HIGH);
      Serial.println("flash LED on");
      String flashStatus = "Sir " + from_name + "\n";
      flashStatus += "flash of ESP32-CAM turned on \n";
      bot.sendMessage(CHAT_ID, flashStatus, "");
    }

    if (text == "/flashLightOff") {
      digitalWrite(LED, LOW);
      Serial.println("flash LED off");
      String flashStatus = "Sir " + from_name + "\n";
      flashStatus += "flash of ESP32-CAM turned off \n";
      bot.sendMessage(CHAT_ID, flashStatus, "");
    }
    
    if (text == "/photo") {
            sendPhoto = true;
      Serial.println("New photo request");
    }
  }
}


void takePhoto(){
  digitalWrite(LED, HIGH);
  delay(200);
  uint32_t randomNum = random(50000);
  Serial.println("http://"+local_IP+"/capture?_cb="+ (String)randomNum);
  Blynk.setProperty(V1, "urls", "http://"+local_IP+"/capture?_cb="+(String)randomNum);
  digitalWrite(LED, LOW);
  delay(1000);
}



BLYNK_WRITE(V5){
  // Set incoming value from pin V0 to a variable
  int buttonValue = param.asInt();
  Serial.println(buttonValue);
  if(buttonValue == 1){
    Serial.println("Capture Photo");
  takePhoto(); 
  delay(3000);
  Serial.println("sending photo to telegram"); 
   sendPhoto = true; 
    }
  
}


String sendPhotoTelegram() {
  const char* myDomain = "api.telegram.org";
  String getAll = "";
  String getBody = "";

  camera_fb_t * fb = NULL;
  fb = esp_camera_fb_get();  
  if(!fb) {
    Serial.println("Camera capture failed");
    delay(1000);
    ESP.restart();
    return "Camera capture failed";
  }  
  
  Serial.println("Connect to " + String(myDomain));


  if (clientTCP.connect(myDomain, 443)) {
    Serial.println("Connection successful");
    
    String head = "--Anc\r\nContent-Disposition: form-data; name=\"chat_id\"; \r\n\r\n" + CHAT_ID + "\r\n--Anc\r\nContent-Disposition: form-data; name=\"photo\"; filename=\"esp32-cam.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n";
    String tail = "\r\n--Anc--\r\n"; 

    uint16_t imageLen = fb->len;
    uint16_t extraLen = head.length() + tail.length();
    uint16_t totalLen = imageLen + extraLen;
  
    clientTCP.println("POST /bot"+BOTtoken+"/sendPhoto HTTP/1.1");
    clientTCP.println("Host: " + String(myDomain));
    clientTCP.println("Content-Length: " + String(totalLen));
    clientTCP.println("Content-Type: multipart/form-data; boundary=Anc");
    clientTCP.println();
    clientTCP.print(head);
  
    uint8_t *fbBuf = fb->buf;
    size_t fbLen = fb->len;
    for (size_t n=0;n<fbLen;n=n+1024) {
      if (n+1024<fbLen) {
        clientTCP.write(fbBuf, 1024);
        fbBuf += 1024;
      }
      else if (fbLen%1024>0) {
        size_t remainder = fbLen%1024;
        clientTCP.write(fbBuf, remainder);
      }
    }  
    
    clientTCP.print(tail);
    
    esp_camera_fb_return(fb);
    
    int waitTime = 10000;   // timeout 10 seconds
    long startTimer = millis();
    boolean state = false;
    
    while ((startTimer + waitTime) > millis()){
      Serial.print(".");
      delay(100);      
      while (clientTCP.available()) {
        char c = clientTCP.read();
        if (state==true) getBody += String(c);        
        if (c == '\n') {
          if (getAll.length()==0) state=true; 
          getAll = "";
        } 
        else if (c != '\r')
          getAll += String(c);
        startTimer = millis();
      }
      if (getBody.length()>0) break;
    }
    clientTCP.stop();
    Serial.println(getBody);
  }
  else {
    getBody="Connected to api.telegram.org failed.";
    Serial.println("Connected to api.telegram.org failed.");
  }
  return getBody;
}

void setup(){
  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); 
  // Init Serial Monitor
  Serial.begin(115200);
  Serial.setDebugOutput(true);

  // Set LED Flash as output
  pinMode(LED, OUTPUT);
  pinMode(PIR, INPUT_PULLUP);
 

  // Config and init the camera
  configInitCamera();

  // Connect to Wi-Fi
  
  WiFi.mode(WIFI_STA);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);
  clientTCP.setCACert(TELEGRAM_CERTIFICATE_ROOT); // Add root certificate for api.telegram.org
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println();
  Serial.print("ESP32-CAM IP Address: ");
  Serial.println(WiFi.localIP()); 


  startCameraServer();
 Serial.print("Camera Ready! Use 'http://");
 Serial.print(WiFi.localIP());
 local_IP = WiFi.localIP().toString();
 Serial.println("' to connect");
  Blynk.begin(auth, ssid, password);


 
}


void motionSensor(){
    if(digitalRead(PIR) == LOW){
  Serial.println("Send Notification");
  Blynk.notify("Motion Detected, Person Is At The Door.");
  bot.sendMessage(chat_id, "Motion Detected, Person Is At The Door", "");
  Serial.println("alert Sent");
  delay(3000);
  }
 
}

void loop() {
   Blynk.run();
  BLYNK_WRITE(V5);
  motionSensor();


   if (sendPhoto) {
    Serial.println("Preparing photo");
    sendPhotoTelegram(); 
     delay(3000); 
    sendPhoto = false; 
  }

  
  if (millis() > lastTimeBotRan + botRequestDelay)  {
    int numNewMessages = bot.getUpdates(bot.last_message_received + 1);
    while (numNewMessages) {
      Serial.println("got response");
      handleNewMessages(numNewMessages);
      numNewMessages = bot.getUpdates(bot.last_message_received + 1);
    }
    lastTimeBotRan = millis();
  }
}