#include <LiquidCrystal.h>
//| LCD Pin   | ESP8266 D1 Mini Pin |
//|-----------|---------------------|
//| VDD       | 5V                  |
//| VSS       | GND                 |
//| VO        | Via Resistor to GND |
//| RS        | D2                  |
//| RW        | GND                 |
//| E         | D3                  |
//| D4        | D4                  |
//| D5        | D5                  |
//| D6        | D6                  |
//| D7        | D7                  |
//| A (if available) | 5V           |
//| K (if available) | GND          |
//
//- **VDD** to **5V**: Powers the LCD.
//- **VSS** to **GND**: Ground connection.
//- **VO** with a resistor to **GND**: Controls the contrast.
//- **RS**, **E**, **D4** - **D7**: Data and control lines.
//- **A** (Anode) to **5V** and **K** (Cathode) to **GND** (if your LCD has backlight).
//
//This table assumes you're using a fixed resistor for contrast control connected to VO. Adjust the resistor value to get a readable contrast.

int counter = 0; // Variable to hold the count
// Initialize the library with the numbers of the interface pins
//LiquidCrystal lcd(D2, D3, D4, D5, D6, D7); // RS, E, D4, D5, D6, D7
LiquidCrystal lcd(2, 3, 4, 5, 6, 7); // RS, E, D4, D5, D6, D7


// Scale
//| Wägezelle    | HX711        | ESP8266  |
//|--------------|--------------|----------|
//| Rot (E+)     | E+           | -        |
//| Schwarz (E-) | E-           | -        |
//| Weiß (A-)    | A-           | -        |
//| Grün (A+)    | A+           | -        |
//| -            | VCC          | 5V       |
//| -            | GND          | GND      |
//| -            | DT           | D2 (oder ein anderer GPIO-Pin) |
//| -            | SCK          | D1 (oder ein anderer GPIO-Pin) |
//
#include "HX711.h"

// HX711-Schaltung
#define LOADCELL_DOUT_PIN 8
#define LOADCELL_SCK_PIN 9

HX711 scale;

float calibration_factor = 1671;
//float calibration_factor = 72;
//float calibration_factor = 9387500;

void setup_scale() {
  Serial.begin(115200);
  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
  scale.set_scale(calibration_factor);
  scale.tare();  // Tarieren mit leerer Wägezelle
}

void loop_scale() {
  if (scale.is_ready()) {
    float weight = scale.get_units(5); // Gewicht in Gramm (oder der von Ihnen gewählten Einheit)
    Serial.print("Gewicht: ");
    Serial.print(weight);
    Serial.println(" g");

    long reading = scale.read();
    Serial.print("Messwert: ");
    Serial.println(reading);
  } else {
    Serial.println("HX711 nicht bereit");
  }
  delay(100);
}

void setup_display() {
  Serial.println("Started!");
  Serial.begin(115200);
  lcd.begin(16, 2);

    lcd.print("Counter: ");
}

void loop_display() {

    Serial.println(counter);
     // Set the cursor to column 9, row 0
    // Adjust the column number if your text doesn't fit
    lcd.setCursor(9, 0);

    // Print the current count
    lcd.print(counter);

    // Increase the counter by 1
    counter++;

    // Wait for a second
    delay(1000);
}

void setup() {
  setup_scale();
  setup_display();
}

void loop() {
  loop_scale();
  loop_display();
}