added the project image

readme.md

@@ -1 +1,4 @@
 ### this is for esp32, where it receive the sensor data from arduino uno and send it to server, this esp32 is connected to  arduino uno and oled 128x64 for displaying the data
+
+
+![alt text](<project.jpg>)

src/main.cpp

@@ -3,6 +3,7 @@
 #include <Wire.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
+#include <HTTPClient.h>
 
 #define SCREEN_WIDTH 128 // OLED display width, in pixels
 #define SCREEN_HEIGHT 64 // OLED display height, in pixels
@@ -18,6 +19,9 @@ String dataIn;
 const char *ssid = "KARAN";
 const char *password = "12345679";
 
+HTTPClient http;
+String url = "http://192.168.20.45:3001/";
+
 void displayData(String data)
 {
   display.clearDisplay();
@@ -52,28 +56,35 @@ void seperator(String data)
   int count = 0;
 
   String dataForDisplay = "";
-
+  String jsonSend ="{\"fase\":";
   while (token != NULL)
   {
     switch (count)
     {
     case 1:
       dataForDisplay += String(token) +"\n";
+      Serial.println(String(token));
+      jsonSend +="\""+ String(token) + "\",";
       break;
     case 2:
       dataForDisplay += ifElse(String(token), "Voltage", "V");
+      jsonSend += "\"voltage\":\""+ String(token) + "\",";
       break;
     case 3:
       dataForDisplay += ifElse(String(token), "Current", "A");
+      jsonSend += "\"current\":\""+ String(token) + "\",";
       break;
     case 4:
       dataForDisplay += ifElse(String(token), "Power", "W");
+      jsonSend += "\"power\":\"" + String(token) + "\",";
       break;
     case 5:
       dataForDisplay += ifElse(String(token), "Energy", "kWh");
+      jsonSend += "\"energy\":\"" + String(token) + "\",";
       break;
     case 6:
       dataForDisplay += ifElse(String(token), "Power Factor", "pf");
+      jsonSend += "\"pf\":\"" + String(token) + "\"";
       break;
     default:
       dataForDisplay += ifElse(String(token), "Wifi", "");
@@ -82,8 +93,25 @@ void seperator(String data)
     token = strtok(NULL, ","); // Get the next token
     count++;
   }
+  jsonSend += "}";
 
   displayData(dataForDisplay);
+  Serial.println(jsonSend);
+  http.begin(url);
+  http.addHeader("Content-Type", "application/json");
+  int httpResponseCode = http.POST(jsonSend);
+
+  if (httpResponseCode > 0) {
+    Serial.print("HTTP Response code: ");
+    Serial.println(httpResponseCode);
+    String payload = http.getString();
+    Serial.println(payload);
+  }else{
+    Serial.print("Error code: ");
+    Serial.println(httpResponseCode);
+
+  }
+  
 }
 
 void setup()