Light Sensor | Esp8266 & BB05 with Arduino IDE

/* Photocell simple testing sketch. 
 
Connect one end of the photocell to 5V, the other end to Analog 0.
Then connect one end of a 10K resistor from Analog 0 to ground
 
For more information see http://learn.adafruit.com/photocells */
#include <ESP8266WiFi.h>
#include <DHT.h>
#include <Base64.h>

const char* ssid = "MiFi";
const char* password = "nexusdroit";
const char* host = "192.168.5.157";
const char* node = "N5S0";
const char* user = "admin";
const char* userpassword = "test";
 
int photocellPin = 2;     // the cell and 10K pulldown are connected to a0
int photocellReading;     // the analog reading from the analog resistor divider

#define USER_PWD_LEN 40
char unameenc[USER_PWD_LEN];
 
void setup(void) {
  // We'll send debugging information via the Serial monitor
  Serial.begin(9600); 
  delay(10);
  // Connect to WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  
  Serial.println(WiFi.localIP());
  
  char uname[USER_PWD_LEN];
  String str = String(user)+":"+String(userpassword);  
  str.toCharArray(uname, USER_PWD_LEN); 
  memset(unameenc,0,sizeof(unameenc));
  base64_encode(unameenc, uname, strlen(uname));  
}
 
void loop(void) {
  photocellReading = RCtime(photocellPin);  
 
  Serial.print("Light reading = ");
  Serial.print(photocellReading);     // the raw analog reading
  
  Serial.print("Connecting to ");
  Serial.println(host);
  
  // Use WiFiClient class to create TCP connections
  WiFiClient client;
  const int httpPort = 80;
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    return;
  }

 String light ="";
  // We'll have a few threshholds, qualitatively determined
  if (photocellReading < 100) {
    Serial.println(" - Dark");
    light = "Gelap";
  } else if (photocellReading < 200) {
    Serial.println(" - Dim");
    light = "Remang";
  } else if (photocellReading < 500) {
    Serial.println(" - Light");
    light = "Cukup";
  } else if (photocellReading < 800) {
    Serial.println(" - Bright");
    light = "Terang";
  } else {
    Serial.println(" - Very bright");
    light = "Terang";
  }
  delay(10);
  
  String url = "";
  url += "/Api/EasyIoT/Control/Module/Virtual/"+ String(node) + "/ControlLevel/"+String(light); // generate EasIoT server node URL

  Serial.print("POST data to URL: ");
  Serial.println(url);
 
  client.print(String("POST ") + url + " HTTP/1.1\r\n" +
               "Host: " + String(host) + "\r\n" + 
               "Connection: close\r\n" + 
               "Authorization: Basic " + unameenc + " \r\n" + 
               "Content-Length: 0\r\n" + 
               "\r\n");      
  delay(9000);
  
  // Read all the lines of the reply from server and print them to Serial
    while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  Serial.println();
  Serial.println("closing connection");
  
  // Repeat every 5 minutes
} 
  int RCtime(int RCpin) {
  int reading = 0;  // start with 0
 
  // set the pin to an output and pull to LOW (ground)
  pinMode(RCpin, OUTPUT);
  digitalWrite(RCpin, LOW);
 
  // Now set the pin to an input and...
  pinMode(RCpin, INPUT);
  while (digitalRead(RCpin) == LOW) { // count how long it takes to rise up to HIGH
    reading++;      // increment to keep track of time 
 
    if (reading == 30000) {
      // if we got this far, the resistance is so high
      // its likely that nothing is connected! 
      break;           // leave the loop
    }
  }
  // OK either we maxed out at 30000 or hopefully got a reading, return the count
 
  return reading;
}

if (photocellReading < 100) {
    Serial.println(" - Dark");
    light = "Gelap";
  } else if (photocellReading < 200) {
    Serial.println(" - Dim");
    light = "Remang";
  } else if (photocellReading < 500) {
    Serial.println(" - Light");
    light = "Cukup";
  } else if (photocellReading < 800) {
    Serial.println(" - Bright");
    light = "Terang";
  } else {
    Serial.println(" - Very bright");
    light = "Terang";
  }

/* Photocell simple testing sketch. 
 
Connect one end of the photocell to 5V, the other end to Analog 0.
Then connect one end of a 10K resistor from Analog 0 to ground
 
For more information see http://learn.adafruit.com/photocells */
#include <ESP8266WiFi.h>
#include <DHT.h>
#include <Base64.h>

// EasyIoT server definitions
#define ssid  "MiFi"
#define password  "nexusdroit"
#define host "192.168.5.157"
#define port 80
#define node "N5S0"
#define user "admin"
#define userpassword "test"
 
int photocellPin = 2;     // the cell and 10K pulldown are connected to a0
int photocellReading;     // the analog reading from the analog resistor divider
String oldLight;
String light;

#define USER_PWD_LEN 40
char unameenc[USER_PWD_LEN];
 
void setup(void) {
  // We'll send debugging information via the Serial monitor
  Serial.begin(9600); 
  delay(10);
  // Connect to WiFi network
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  
  wifiConnect();
  
  char uname[USER_PWD_LEN];
  String str = String(user)+":"+String(userpassword);  
  str.toCharArray(uname, USER_PWD_LEN); 
  memset(unameenc,0,sizeof(unameenc));
  base64_encode(unameenc, uname, strlen(uname)); 
  
  oldLight = !light;
}
 
void loop() {
  photocellReading = RCtime(photocellPin);  
 
  Serial.print("Light reading = ");
  Serial.print(photocellReading);     // the raw analog reading
     
     // We'll have a few threshholds, qualitatively determined
      if (photocellReading < 100) {
        Serial.println(" - Dark");
        light = "Gelap";
      } else if (photocellReading < 200) {
        Serial.println(" - Dim");
        light = "Remang";
      } else if (photocellReading < 700) {
        Serial.println(" - Light");
        light = "Cukup";
      } else if (photocellReading < 1000) {
        Serial.println(" - Bright");
        light = "Terang";
      } else {
        Serial.println(" - Very bright");
        light = "Terang";
      }
      delay(1000);
      
      if (light != oldLight){
        sendInputState(light);
        oldLight = light;   
      }    
}
        
void wifiConnect(){
      Serial.print("Connecting to AP");
      WiFi.begin(ssid, password);
      while (WiFi.status() != WL_CONNECTED) {
      delay(100);
      Serial.print(".");
}

Serial.println("");
Serial.println("WiFi connected");  
} 

void sendInputState(String light){     
  // Use WiFiClient class to create TCP connections
  WiFiClient client;
  while(!client.connect(host, port)) {
    Serial.println("connection failed");
    wifiConnect(); 
  } 
  
  String url = "";
  url += "/Api/EasyIoT/Control/Module/Virtual/"+ String(node) + "/ControlLevel/"+String(light); // generate EasIoT server node URL

  Serial.print("POST data to URL: ");
  Serial.println(url);
 
  client.print(String("POST ") + url + " HTTP/1.1\r\n" +
               "Host: " + String(host) + "\r\n" + 
               "Connection: close\r\n" + 
               "Authorization: Basic " + unameenc + " \r\n" + 
               "Content-Length: 0\r\n" + 
               "\r\n");      
  delay(100);
  
  // Read all the lines of the reply from server and print them to Serial
    while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
  Serial.println();
  Serial.println("closing connection");
  
  // Repeat every 5 minutes
} 
  int RCtime(int RCpin) {
  int reading = 0;  // start with 0
 
  // set the pin to an output and pull to LOW (ground)
  pinMode(RCpin, OUTPUT);
  digitalWrite(RCpin, LOW);
 
  // Now set the pin to an input and...
  pinMode(RCpin, INPUT);
  while (digitalRead(RCpin) == LOW) { // count how long it takes to rise up to HIGH
    reading++;      // increment to keep track of time 
 
    if (reading == 30000) {
      // if we got this far, the resistance is so high
      // its likely that nothing is connected! 
      break;           // leave the loop
    }
  }
  // OK either we maxed out at 30000 or hopefully got a reading, return the count
 
  return reading;
}