#include "HX711.h"
#include <LiquidCrystal.h>

#define DOUT 4
#define CLK 5
#define PUMP_PIN 14
#define THRESHOLD 2000  // Adjust this threshold according to your calibration

HX711 scale;
long simulatedWeight = 0;
bool increasing = true;

// Initialize the LCD with the numbers of the interface pins
LiquidCrystal lcd(12, 13, 14, 27, 26, 25);

void setup() {
  Serial.begin(115200);
    scale.begin(DOUT, CLK);
      pinMode(PUMP_PIN, OUTPUT);
        digitalWrite(PUMP_PIN, LOW);  // Ensure pump is off initially

          // Set up the LCD's number of columns and rows
            lcd.begin(16, 2);
              lcd.print("Water Level:");
              }

              void loop() {
                // Simulate weight changes
                  if (increasing) {
                      simulatedWeight += 50;  // Increase weight
                          if (simulatedWeight >= 2000) {
                                increasing = false;  // Start decreasing after reaching 2000
                                    }
                                      } else {
                                          simulatedWeight -= 0;  // Decrease weight
                                              if (simulatedWeight < 0) {
                                                    increasing = true;  // Start increasing after reaching 0
                                                        }
                                                          }

                                                            Serial.print("Simulated Weight: ");
                                                              Serial.println(simulatedWeight);

                                                                // Convert weight to height (example: 1000 weight units = 10 cm)
                                                                  float waterHeight = simulatedWeight / 100.0;
                                                                    lcd.setCursor(0, 1);  // Move to the second line
                                                                      lcd.print(waterHeight);
                                                                        lcd.print(" cm");

                                                                          if (simulatedWeight < THRESHOLD) {
                                                                              digitalWrite(PUMP_PIN, HIGH);  // Turn on pump (LED ON)
                                                                                  Serial.println("Pump ON");
                                                                                    } else {
                                                                                        digitalWrite(PUMP_PIN, LOW);  // Turn off pump (LED OFF)
                                                                                            Serial.println("Pump OFF");
                                                                                              }

                                                                                                delay(1000);  // Read every second
                                                                                                }