#include <Wire.h> 

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

#define MOISTURE_SENSOR_PIN 34 // Use any ADC pin

// Define the threshold for dry and wet soil
#define DRY_THRESHOLD 3000
#define WET_THRESHOLD 1000

void setup() {
  // Start the serial communication
    Serial.begin(115200);
      Wire.begin(23, 22);
        lcd.init();
          lcd.backlight();

      // Initialize the ADC pin
        pinMode(MOISTURE_SENSOR_PIN, INPUT);
        }
        
        void loop() {
          // Read the analog value from the moisture sensor
            int sensorValue = analogRead(MOISTURE_SENSOR_PIN);
              
                // Print the analog value to the serial monitor
                  Serial.print("Moisture Sensor Value: ");
                    Serial.println(sensorValue);
                    
                      // Determine the moisture level
                        if (sensorValue > DRY_THRESHOLD) {
                            Serial.println("Soil is dry");
                              } else if (sensorValue < WET_THRESHOLD) {
                                  Serial.println("Soil is wet");
                                    } else {
                                        Serial.println("Soil is moist");
                                          }
                                          
                                            // Wait for a second before taking another reading
                                              delay(1000);
                                              }
  int16_t i = analogRead(34);
  String msg = i < 2165 ? "WET" : i > 3135 ? "DRY" : "OK";
  lcd.clear();
  lcd.print("Soil: ");
  lcd.print(msg);
  delay(500); 
}