ARDUINO UNO CODING

 #include <Arduino.h> #include <WiFi.h> #include <FirebaseESP32.h> // Provide the token generation process info. #include <addons/TokenHelper.h> // Provide the RTDB payload printing info and other helper functions. #include <addons/RTDBHelper.h> /* 1. Define the WiFi credentials */ #define WIFI_SSID "Galaxy M126967" #define WIFI_PASSWORD "raji1234" /* 2. Define the API Key */ #define API_KEY "26Sg2a5KBO7macmeRxeJKnUMw0GJlYbkQHIYGAog" /* 3. Define the RTDB URL */ #define DATABASE_URL "https://iot-enabled-energy-meter-default-rtdb.asia-southeast1.firebasedatabase.app/" //<databaseName>.firebaseio.com or <databaseName>.<region>.firebasedatabase.app /* database secret used in Firebase.setQueryIndex function */ #define DATABASE_SECRET "DATABASE_SECRET" /* 4. Define the user Email and password that already registered or added in your project */ #define USER_EMAIL "brsanjeevadharsh@gmail.com...

  https://github.com/circuiTician/Embedded-System-IoT/tree/main/Firebase%20RTDB%20ESP32 https://randomnerdtutorials.com/installing-the-esp32-board-in-arduino-ide-windows-instructions/

  #include <Wire.h> #include <LiquidCrystal_I2C.h> #include "EmonLib.h"             // Include Emon Library #include "ACS712.h"               // Include ACS712 Library // Define LCD parameters #define I2C_ADDR 0x 27             // I2C address for the LCD #define LCD_ROWS 2 #define LCD_COLS 16 // Create instances of the libraries LiquidCrystal_I2C lcd ( I2C_ADDR, LCD_COLS, LCD_ROWS ) ; EnergyMonitor emon1; ACS712 sensor ( ACS712_05B, A0 ) ; #define VOLT_CAL 592 #define RESISTOR_VALUE 1000       // Resistance value in Ohms #define VOLTAGE_RMS_REF 230.0     // Reference RMS voltage in Volts #define POWER_THRESHOLD 100       // Power threshold for determining "power off" state const int samplingInterval = 1000 ;  // Sampling interval in milliseconds const int displayInterval = 20000 ;  // Display updat...

 #include <Wire.h> #include <LiquidCrystal_I2C.h> #include "EmonLib.h"             // Include Emon Library #include "ACS712.h"              // Include ACS712 Library // Set the LCD address (usually 0x27 or 0x3F) #define I2C_ADDR 0x27 // Define LCD size (rows and columns) #define LCD_ROWS 2 #define LCD_COLS 16 // Create an instance of the LCD class LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLS, LCD_ROWS); #define VOLT_CAL 592 #define RESISTOR_VALUE 1000      // Resistance value in Ohms #define VOLTAGE_RMS_REF 230.0    // Reference RMS voltage in Volts (typically 230V for mains) EnergyMonitor emon1;             // Create an instance of EnergyMonitor ACS712 sensor(ACS712_05B, A0);   // Create an instance of ACS712 const int samplingInterval = 1000;  // Sampling interval in milliseconds const int numSamples = 3600;      ...

  #include "UbidotsEsp32Mqtt.h" const char *WIFI_SSID = " M1269Galaxy67" ;      // Put your Wi-Fi SSID here const char *WIFI_PASS = "raji1234" ;      // Put your Wi-Fi password here const char *UBIDOTS_TOKEN = "BBUS-jDOPvemaBYQifSNqldosg3xGe3XtPB" ;  // Put your Ubidots TOKEN here const char *DEVICE_LABEL = "iot-energy-meter" ;   // Device label for all variables const char *VRMS_VARIABLE_LABEL = "VRMS" ; // Variable label for VRMS const char *IRMS_VARIABLE_LABEL = "IRMS" ; // Variable label for IRMS const char *POWER_VARIABLE_LABEL = "POWER" ; // Variable label for POWER const char *POWER_FACTOR_VARIABLE_LABEL = "POWER_FACTOR" ; // Variable label for POWER_FACTOR const char *ENERGY_VARIABLE_LABEL = "ENERGY" ; // Variable label for ENERGY const int PUBLISH_FREQUENCY = 2000 ; // Update rate in milliseconds Ubidots ubidots ( UBIDOTS_TOKEN ) ; void setup () ...

  #include "EmonLib.h"             // Include Emon Library #include "ACS712.h"               // Include ACS712 Library #define VOLT_CAL 592 #define RESISTOR_VALUE 1000      // Resistance value in Ohms #define VOLTAGE_RMS_REF 230.0    // Reference RMS voltage in Volts (typically 230V for mains) EnergyMonitor emon1;             // Create an instance of EnergyMonitor ACS712 sensor ( ACS712_05B, A0 ) ;   // Create an instance of ACS712 const int samplingInterval = 1000 ;  // Sampling interval in milliseconds const int numSamples = 3600 ;        // Number of samples to store (3600 samples = 1 hour) float voltageSamples [numSamples];   // Array to store voltage samples int sampleIndex = 0 ;                 // Index to keep track of the current sample float prevVoltage = 0...