#include "HX711.h"

const int pinDOUT = 2; // Data pin for HX711
const int pinSCK = 4;  // Clock pin for HX711

HX711 scale;

void setup() {
  Serial.begin(115200);
  scale.begin(pinDOUT, pinSCK);

  Serial.println("Initializing scale...");

  // Wait for the scale to be ready
  unsigned long timeout = millis() + 5000; // 5-second timeout
  while (!scale.is_ready()) {
    Serial.println("Waiting for HX711 to be ready...");
    delay(500);
    if (millis() > timeout) {
      Serial.println("Error: HX711 not ready. Check wiring and connections.");
      while (1); // Halt the program
    }
  }

  scale.set_scale(1.0); // Set a default calibration factor
  scale.tare();         // Reset the scale
  Serial.println("Scale initialized!");
}

void loop() {
  if (scale.is_ready()) {
    float weight = scale.get_units(10); // Average of 10 readings
    Serial.print("Weight: ");
    Serial.print(weight, 2);
    Serial.println(" kg");
  } else {
    Serial.println("Error: HX711 not ready. Check connections.");
  }

  delay(1000);
}