salman_code
unknown
abap
3 years ago
4.8 kB
9
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#include <ESP8266WiFi.h>
#include "DHT.h" // DHT11 temperature and humidity sensor Predefined library
#define DHTTYPE DHT11 // DHT 11
#define dht_dpin D5 //GPIO-0 D3 pin of nodemcu
#define rainDigital D0
int Raw = A0; //Analog channel A0 as used to measure temperature
int threshold = D1; //Nodemcu digital pin water sensor read-GPIO16---D0 of NodeMCU
int Solenoid = D7; // GPIO13---D7 of NodeMCU--Motor connection
const char* ssid = "Tenda_68A6C8";
const char* password = "awse2313";
DHT dht(dht_dpin, DHTTYPE);
WiFiServer server(80);
void setup(void)
{
dht.begin();
Serial.begin(9600);
delay(10);
pinMode(rainDigital,INPUT);
pinMode(threshold,INPUT_PULLUP); //Pin#13 as output-Activate pullup at pin 13
pinMode(Solenoid, OUTPUT); //D7 as output
digitalWrite(Solenoid, LOW); //Deactivate Solenoid
// Connect to WiFi network
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password); //Begin WiFi
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
// Start the server
server.begin();
Serial.println("Server started");
// Print the IP address on serial monitor
Serial.print("Use this URL to connect: ");
Serial.print("http://"); //URL IP to be typed in mobile/desktop browser
Serial.print(WiFi.localIP());
Serial.println("/");
}
void loop() {
// Check if a client has connected
WiFiClient client = server.available();
if (!client) {
return;
}
// Wait until the client sends some data
Serial.println("new client");
while(!client.available()){
delay(1);
}
// Read the first line of the request
String request = client.readStringUntil('\r');
Serial.println(request);
client.flush();
int rainDigitalVal = digitalRead(rainDigital);
float h =0.0; //Humidity level
float t =0.0; //Temperature in celcius
float f =0.0; //Temperature in fahrenheit
float percentage = 0.0; // Calculating percentage of moisture
float reading = 0.0; //Analog channel moisture read
// Match the request
int value = LOW;
if (request.indexOf("/Up=ON") != -1) {
h = dht.readHumidity(); //Read humidity level
t = dht.readTemperature(); //Read temperature in celcius
f = (h * 1.8) + 32; //Temperature converted to Fahrenheit
reading = analogRead(Raw); //Analog pin reading output voltage by water moisture rain sensor
percentage = (reading/1024) * 100; //Converting the raw value in percentage
if (reading<=110){ // If less mositure in soil start the motor otherwise stop
digitalWrite(Solenoid, HIGH);
value = HIGH;
}
else {
digitalWrite(Solenoid, LOW);
value = LOW;
}
}
if (request.indexOf("/Solenoid=ON") != -1) { //Motor ON
digitalWrite(Solenoid, HIGH);
value = HIGH;
}
if (request.indexOf("/Solenoid=OFF") != -1) { //Motor OFF
digitalWrite(Solenoid, LOW);
value = LOW;
}
// Return the response
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println(""); // do not forget this one
client.println("<!DOCTYPE HTML>");
client.println("<html>");
client.println("<h1 align=center>Smart Erigation System</h1><br><br>");
client.print("Temperature in Celsius =");
client.println(t);
client.println("<br>");
client.print("Temperature in Fahrenheit =");
client.println(f);
client.println("<br>");
client.print("Humidity =");
client.println(h);
client.print(" %");
client.println("<br>");
client.println();
client.print("Moisture Level Percentage =");
client.print(percentage);
client.print("%");
if(digitalRead(threshold)==HIGH){ // Read digital output of soil sensor
client.println("Threshold Reached = Rain detected / Moisture exceeded / Water detected");
}
client.println("<br><br>");
if(value == HIGH)
client.println("Motor/Pump Operational");
else
client.print("Motor/Pump at Halt");
client.println("<br>");
if(digitalRead(rainDigital)==LOW){ // Read digital output of soil sensor
client.println("Raining>>>>>>>>>>>>>>>>>>>");}
else
client.print("Not Raining");
client.println("<br><br>");
client.println("<a href=\"/Up=ON\"\"><button>Update = Temperature Humidity Moisture Values</button></a><br />");
client.println("<a href=\"/Solenoid=ON\"\"><button>Motor Pump On </button></a>");
client.println("<a href=\"/Solenoid=OFF\"\"><button>Motor Pump Off </button></a><br />");
client.println("</html>");
delay(1);
Serial.println("Client disonnected");
Serial.println("");
}