Breaking News: Grepper is joining You.com. Read the official announcement!

gsm 900 and ultrasonic sensor water level project

Gladius Karamaga answered on August 25, 2022 Popularity 2/10 Helpfulness 1/10

answer gsm 900 and ultrasonic sensor water level project

gsm 900 and ultrasonic sensor water level project

Comment

// ------- Tank details ------//
const int total_height = 30; // Tank height in CM
const int hold_height = 25;// Water hold height in CM

//----- Your Phone no. -------//
char cntry_code[] = "+91"; // Country code
char ph[] = "xxxxxxxxxx"; // owner's (receiver's) phone no.

const int trigger = 2;
const int echo = 3;
int var_1 = 0;
char input_string[15];

long Time;
int distanceCM;
int resultCM;
int tnk_lvl = 0;
int sensr_to_wtr = 0;

void setup()
{
  Serial.begin(9600);
  pinMode(trigger, OUTPUT);
  pinMode(echo, INPUT);
  sensr_to_wtr = total_height - hold_height;

  delay(20000);
  delay(20000);
  delay(20000);
  
  Serial.println("AT+CNMI=2,2,0,0,0");
  delay(1000);
  Serial.println("AT+CMGF=1");
  delay(500);
  Serial.print("AT+CMGS=");
  Serial.print("\"");
  Serial.print(ph);
  Serial.println("\"");
  delay(1000);
  Serial.println("System is ready to receive SMS commands.");
  delay(100);
  Serial.println((char)26);
}

void loop()
{
  
}

void serialEvent()
{
  while (Serial.available())
  {
    if (Serial.find("/"))
    {
      delay(1000);
      while (Serial.available())
      {
        char input_char = Serial.read();
        input_string[var_1++] = input_char;
        if (input_char == '/')
        {
          if (!(strncmp(input_string, "status", 6)))
          {
            measure();
            Serial.print("AT+CMGS=");
            Serial.print("\"");
            Serial.print(cntry_code);
            Serial.print(ph);
            Serial.println("\"");
            delay(1000);
            Serial.print("Tank water level is: ");
            Serial.print(tnk_lvl);
            Serial.println("%");
            delay(100);
            Serial.println((char)26);
          }
          var_1 = 0;
          return;
        }
      }
    }
  }
}

void measure()
{
  delay(100);
  digitalWrite(trigger, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigger, LOW);
  Time = pulseIn(echo, HIGH);
  distanceCM = Time * 0.034;
  resultCM = distanceCM / 2;

  tnk_lvl = map(resultCM, sensr_to_wtr, total_height, 100, 0);
  if (tnk_lvl > 100) tnk_lvl = 100;
  if (tnk_lvl < 0) tnk_lvl = 0;
}

Popularity 2/10 Helpfulness 1/10 Language whatever

Source: electronics-project-hub.com

Tags: gsm project whatever

Link to this answer
Share Copy Link

Contributed on Aug 25 2022

Gladius Karamaga

0 Answers Avg Quality 2/10

gsm 900 and ultrasonic sensor water level project

Contents

More Related Answers

gsm 900 and ultrasonic sensor water level project

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.