iot rain sensor

VCC----->3V

G--->G

AC----->A0

 #include <ESP8266WiFi.h>

const char* ssid = " ";                                  //fill in your wifi name

const char* password = "  ";                              //fill in your wifi password

WiFiClient client;

int sensorPin = A0;    // input for LDR and rain sensor

int enable2 = 13;      // enable reading Rain sensor

int sensorValue2 = 0;  // variable to store the value coming from sensor Rain sensor

//--------------------------setup-------------------------

void setup() {

// declare the enable and ledPin as an OUTPUT:

pinMode(enable2, OUTPUT);

  

Serial.begin(115200);

delay(10);

WiFi.begin(ssid, password);

Serial.println();

Serial.println();

Serial.print("Connecting to ");

Serial.println(ssid);

Serial.print("..........");

Serial.println();

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {

delay(500);

}

Serial.println("WiFi connected");

Serial.println();

}

void loop() {

//--------------------------Rain Sensor-------------------------

delay(500);

sensorValue2 = analogRead(sensorPin);

sensorValue2 = constrain(sensorValue2, 150, 440); 

sensorValue2 = map(sensorValue2, 150, 440, 1023, 0); 

if (sensorValue2>= 20)

{

  Serial.print("rain is detected");

  

digitalWrite(enable2, HIGH);

  }

  else

  

{

  Serial.print("rain not detected");

  digitalWrite(enable2, LOW); 

  }

//Serial.print("Rain value:       ");

//Serial.println(sensorValue2);

Serial.println();

delay(100);

}