Digital Tap

  #include <WiFi.h>
  #include <HTTPClient.h>
//IP or name of address root: ie: google.com
//NOT google.com/nothing/after/the/dotcom.html
const char* hostGet = "slogfy.com"; 
const char *ssid =  "Robo";     // replace with your wifi ssid and wpa2 key
const char *pass =  "lopklopk";
#define LED_BUILTIN 2
#define SENSOR  27

long currentMillis = 0;
long previousMillis = 0;
int interval = 1000;
boolean ledState = LOW;
float calibrationFactor = 7.5;
volatile byte pulseCount;
byte pulse1Sec = 0;
float flowRate;
unsigned int flowMilliLitres;
unsigned long totalMilliLitres;
unsigned long water=99;
 
void IRAM_ATTR pulseCounter()
{
  pulseCount++;
}
void postData() {

   WiFiClient clientGet;
   const int httpGetPort = 80;
   //the path and file to send the data to:
   String urlGet = "/water/add1.php";
   
  // We now create and add parameters:

  urlGet += "?water=";
  urlGet += water;
      Serial.print(">>> Connecting to host: ");
      Serial.println(urlGet);
          Serial.println(hostGet);
       if (!clientGet.connect(hostGet, httpGetPort)) {
        Serial.print("Connection failed: ");
        Serial.print(hostGet);
      } else {
          clientGet.println("GET " + urlGet + " HTTP/1.1");
          clientGet.print("Host: ");
          clientGet.println(hostGet);
          clientGet.println("User-Agent: ESP8266/1.0");
          clientGet.println("Connection: close\r\n\r\n");
          
          unsigned long timeoutP = millis();
          while (clientGet.available() == 0) {
            
            if (millis() - timeoutP > 10000) {
              Serial.print(">>> Client Timeout: ");
              Serial.println(hostGet);
              clientGet.stop();
              return;
            }
          }

          //just checks the 1st line of the server response. Could be expanded if needed.
          while(clientGet.available()){
            String retLine = clientGet.readStringUntil('\r');
            Serial.println(retLine);
            break; 
          }

      } //end client connection if else
                        
      Serial.print(">>> Closing host: ");
      Serial.println(hostGet);
          
      clientGet.stop();

}

void setup() {
    Serial.begin(115200);
     Serial.println("Connecting to ");
       Serial.println(ssid);
 
 
       WiFi.begin(ssid, pass);
 
      while (WiFi.status() != WL_CONNECTED) 
     {
            delay(500);
            Serial.print(".");
     }
      Serial.println("");
      Serial.println("WiFi connected");
      
       pinMode(LED_BUILTIN, OUTPUT);
  pinMode(SENSOR, INPUT_PULLUP);

  pulseCount = 0;
  flowRate = 0.0;
  flowMilliLitres = 0;
  totalMilliLitres = 0;
  previousMillis = 0;

  attachInterrupt(digitalPinToInterrupt(SENSOR), pulseCounter, FALLING);

}

void loop() {
 currentMillis = millis();
  if (currentMillis - previousMillis > interval) {
    
    pulse1Sec = pulseCount;
    pulseCount = 0;

    // Because this loop may not complete in exactly 1 second intervals we calculate
    // the number of milliseconds that have passed since the last execution and use
    // that to scale the output. We also apply the calibrationFactor to scale the output
    // based on the number of pulses per second per units of measure (litres/minute in
    // this case) coming from the sensor.
    flowRate = ((1000.0 / (millis() - previousMillis)) * pulse1Sec) / calibrationFactor;
    previousMillis = millis();

    // Divide the flow rate in litres/minute by 60 to determine how many litres have
    // passed through the sensor in this 1 second interval, then multiply by 1000 to
    // convert to millilitres.
    flowMilliLitres = (flowRate / 60) * 1000;

    // Add the millilitres passed in this second to the cumulative total
    totalMilliLitres += flowMilliLitres;
    
    // Print the flow rate for this second in litres / minute
    Serial.print("Flow rate: ");
    Serial.print(flowRate);  // Print the integer part of the variable
    Serial.print("L/min");
    Serial.print("\t");       // Print tab space

    // Print the cumulative total of litres flowed since starting
    Serial.print("Output Liquid Quantity: ");
    Serial.print(totalMilliLitres);
    
    Serial.print("mL / ");
    Serial.print(totalMilliLitres / 1000);
    Serial.println("L");
  }

  water=totalMilliLitres; 
//  postData();
 // delay(000);
}