Smart Energy Consumption Meter | IoT

1#include <WiFi.h>
2#include <WiFiClient.h> 
3#include <WebServer.h>
4#include  <HTTPClient.h>
5#include <PZEM004Tv30.h>
6
7PZEM004Tv30 pzem(Serial2, 16,  17);
8
9const char *ssid = "Huawei Y7";
10const char *password = "12345678";
11const  char *host = "http://vishwasdiaries.c1.biz"; 
12
13
14void setup() {
15
16  // pzem.resetEnergy()
17    
18  delay(1000);
19  Serial.begin(115200);
20  WiFi.mode(WIFI_OFF);        
21  delay(1000);
22  WiFi.mode(WIFI_STA);       
23  WiFi.begin(ssid, password);     
24  Serial.println("");
25
26  Serial.print("Connecting");
27
28  while (WiFi.status() != WL_CONNECTED) {
29    delay(500);
30    Serial.print(".");
31  }
32
33
34  Serial.println("");
35  Serial.print("Connected to ");
36  Serial.println(ssid);
37  Serial.print("IP address: ");
38  Serial.println(WiFi.localIP());  //IP address assigned to your ESP
39
40}
41
42//=======================================================================
43//                    Main Program Loop
44//=======================================================================
45void  loop() {
46
47Serial.print("Custom Address:");
48    Serial.println(pzem.readAddress(),  HEX);
49
50    // Read the data from the sensor
51    float voltage = pzem.voltage();
52    float current = pzem.current();
53    float power = pzem.power();
54    float  energy = pzem.energy();
55    float frequency = pzem.frequency();
56    float  pf = pzem.pf();
57
58    // Check if the data is valid
59    if(isnan(voltage)){
60        Serial.println("Error reading voltage");
61    } else if (isnan(current))  {
62        Serial.println("Error reading current");
63    } else if (isnan(power))  {
64        Serial.println("Error reading power");
65    } else if (isnan(energy))  {
66        Serial.println("Error reading energy");
67    } else if (isnan(frequency))  {
68        Serial.println("Error reading frequency");
69    } else if (isnan(pf))  {
70        Serial.println("Error reading power factor");
71    } else {
72
73        // Print the values to the Serial console
74        Serial.print("Voltage:  ");      Serial.print(voltage);      Serial.println("V");
75        Serial.print("Current:  ");      Serial.print(current);      Serial.println("A");
76        Serial.print("Power:  ");        Serial.print(power);        Serial.println("W");
77        Serial.print("Energy:  ");       Serial.print(energy,3);     Serial.println("kWh");
78        Serial.print("Frequency:  ");    Serial.print(frequency, 1); Serial.println("Hz");
79        Serial.print("PF:  ");           Serial.println(pf);
80
81    }
82  HTTPClient http;   
83
84  String postData;
85  
86String svoltage = String(voltage);
87String scurrent  = String(current);
88String spower = String(power);
89String senergy = String(energy,3);
90String  sfrequency = String(frequency,1);
91String spf = String(pf);
92
93 postData =  "voltage=" +svoltage + "&current=" + scurrent+ "&power=" + spower+ "&energy="  + senergy+ "&frequency=" + sfrequency+ "&pf=" + spf;
94  
95  http.begin("http://vishwasdiaries.c1.biz/test.php");              //Specify request destination
96  http.addHeader("Content-Type",  "application/x-www-form-urlencoded");    //Specify content-type header
97
98  int httpCode = http.POST(postData);   //Send the request
99  String payload =  http.getString();    //Get the response payload
100
101  Serial.println(httpCode);   //Print HTTP return code
102  Serial.println(payload);    //Print request response  payload
103
104  http.end();  //Close connection
105  
106  delay(5000);  //Post  Data at every 5 seconds
107}
108