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waterlevelmonitoring.ino
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waterlevelmonitoring.ino
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/*Water level monitoring system with leak detection and automatic water restoration (BlueWave Ingenium)
https://srituhobby.com
https://github.com/binaryassasins
*/
//Include the library files
#include <LiquidCrystal_I2C.h>
#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "aaa"
#define BLYNK_TEMPLATE_NAME "bbb"
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
//Initialize the LCD display
LiquidCrystal_I2C lcd(0x27, 16, 2);
char auth[] = "xxx";//Enter your Auth token
char ssid[] = "yyy";//Enter your WIFI name
char pass[] = "zzz";//Enter your WIFI password
BlynkTimer timer;
// Define the component pins
#define trig 13 // Replace D7 with the correct GPIO number
#define echo 15 // Replace D8 with the correct GPIO number
#define raindropDO 14
#define relay 12
//Enter your tank max value(CM)
int MaxLevel = 20;
int Level1 = (MaxLevel * 85) / 100; //(MaxLevel * 75) / 100;
int Level2 = (MaxLevel * 70) / 100; //(MaxLevel * 65) / 100;
int Level3 = (MaxLevel * 50) / 100; //(MaxLevel * 55) / 100;
int Level4 = (MaxLevel * 35) / 100; //(MaxLevel * 45) / 100;
int Level5 = (MaxLevel * 25) / 100; //(MaxLevel * 35) / 100;
void setup() {
Serial.begin(9600);
lcd.init();
lcd.backlight();
pinMode(trig, OUTPUT);
pinMode(echo, INPUT);
pinMode(relay, OUTPUT);
// raindrop calibration
pinMode(raindropDO, INPUT);
digitalWrite(relay, HIGH); //digitalWrite(relay, HIGH)
Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
lcd.setCursor(0, 0);
lcd.print("Water level");
lcd.setCursor(4, 1);
lcd.print("Monitoring");
delay(4000);
lcd.clear();
lcd.print("BlueWave");
lcd.setCursor(4, 1);
lcd.print("Ingenium");
delay(4000);
lcd.clear();
//Call the functions
timer.setInterval(100L, ultrasonic);
raindrops();
}
//Get the ultrasonic sensor values
void ultrasonic() {
digitalWrite(trig, LOW);
delayMicroseconds(4);
digitalWrite(trig, HIGH);
delayMicroseconds(10);
digitalWrite(trig, LOW);
long t = pulseIn(echo, HIGH);
int distance = t / 29 / 2;
int blynkDistance = (distance - MaxLevel) * -1;
if (distance <= MaxLevel) {
Blynk.virtualWrite(V0, blynkDistance);
} else {
Blynk.virtualWrite(V0, 0);
}
lcd.setCursor(0, 0);
lcd.print("Level:");
lcd.print(" ");
if (Level1 <= distance) {
lcd.setCursor(8, 0);
lcd.print("Very Low");
lcd.print(" ");
if (raindrops() == "No Leak Detected.") {
digitalWrite(relay, LOW);
lcd.setCursor(0, 1);
lcd.print("Pump is ON ");
Blynk.virtualWrite(V3, HIGH);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
} else if (raindrops() == "Leak Detected!") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
}
} else if (Level2 <= distance && Level1 > distance) {
lcd.setCursor(8, 0);
lcd.print("Low");
lcd.print(" ");
if (raindrops() == "No Leak Detected.") {
digitalWrite(relay, LOW);
lcd.setCursor(0, 1);
lcd.print("Pump is ON ");
Blynk.virtualWrite(V3, HIGH);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
} else if (raindrops() == "Leak Detected!") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
}
} else if (Level3 <= distance && Level2 > distance) {
lcd.setCursor(8, 0);
lcd.print("Medium");
lcd.print(" ");
if (raindrops() == "No Leak Detected.") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
} else if (raindrops() == "Leak Detected!") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
}
} else if (Level4 <= distance && Level3 > distance) {
lcd.setCursor(8, 0);
lcd.print("High");
lcd.print(" ");
if (raindrops() == "No Leak Detected.") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
} else if (raindrops() == "Leak Detected!") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
}
} else if (Level5 >= distance) {
lcd.setCursor(8, 0);
lcd.print("Full");
lcd.print(" ");
if (raindrops() == "No Leak Detected.") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
} else if (raindrops() == "Leak Detected!") {
digitalWrite(relay, HIGH);
lcd.setCursor(0, 1);
lcd.print("Pump is OFF ");
Blynk.virtualWrite(V3, LOW);
lcd.print(" ");
delay(1500);
lcd.setCursor(0, 1);
lcd.print(raindrops());
lcd.print(" ");
delay(1500);
}
}
}
// Rain sensor module calibration -> retrieve the value to force shut down water pump
const char* raindrops() {
int raindropState = digitalRead(raindropDO);
const char* stateText;
if (raindropState == LOW) {
Blynk.virtualWrite(V2, "Leak Detected!");
stateText = "Leak Detected!";
// suspend auto pump
//digitalWrite(relay, HIGH);
} else {
Blynk.virtualWrite(V2, "No Leak Detected.");
stateText = "No Leak Detected.";
//digitalWrite(relay, LOW);
}
return stateText;
}
void loop() {
Blynk.run();//Run the Blynk library
timer.run();//Run the Blynk timer
}