Current Sence Utpl Bhaiya Code

current_sence.ino

#include <SoftwareSerial.h>
const byte rxPin = 2;
const byte txPin = 3;

SoftwareSerial SIM900(rxPin, txPin);
char msg;

float voltageB = 0;
float amp = 0;

boolean sendata = false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  SIM900.begin(9600);
  SIM900.print("AT+CMGF=1\r");
  delay(100);
  SIM900.print("AT+CNMI=2,2,0,0,0\r");
  delay(100);
  // SendMessage();
}

void loop() {
  
  // put your main code here, to run repeatedly:
  if (SIM900.available() > 0)
  {
    Serial.println("in");
    if (msg == 'F') {
      Serial.println("F");
      
      String s = "Voltage = ";
      String d = String(voltageB);
      String e = " and Current = ";
      String f = String(amp);
      String t = s + d + e + f;
      Serial.println(t);
      SendMessage(t);
      msg = "";
    }
  }
  // int a = 2;
  // String msgs = String(a);
  // SendMessage(msgs);
  msg = SIM900.read();
  delay(100);
  getCurrent();
}

void getCurrent() {
  // read the input on analog pin 0:
  int sensorValue = analogRead(A0);
  // Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):
  float voltage = sensorValue * (5.0 / 1023.0);
  // print out the value you read:
  voltageB= voltage*(220/5);
  
  Serial.println("Voltage");
  Serial.println(voltageB);
  int sensorValue1 = analogRead(A1);
  float voltageA = sensorValue1 * (5000.0 / 1023.0);
  float amps=((voltageA-2500)/66);
  amp=abs(amps);
  
  Serial.println("Current");
  Serial.println(amp);   //gsm will sent the value of voltageB [voltage] and voltageA[current]
  
}

void SendMessage(String msg)
{
  SIM900.println("AT+CMGF=1");    //Sets the GSM Module in Text Mode
  delay(1000);  // Delay of 1000 milli seconds or 1 second
  // SIM900.println("AT+CMGS=\"+8801770722247\"\r"); // Replace x with mobile number
  SIM900.println("AT+CMGS=\"+8801991768446\"\r");
  delay(1000);
  SIM900.println(msg);// The SMS text you want to send
  delay(100);
  SIM900.println((char)26);// ASCII code of CTRL+Z
  delay(1000);
}