#include <HX711.h>

// HX711 circuit wiring
const int LOADCELL_DOUT_PIN = 3;
const int LOADCELL_SCK_PIN = 2;

HX711 scale;

void setup() {
  Serial.begin(9600);
  Serial.println("HX711 Weight Demo");

  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
  scale.set_scale();
  scale.tare();
}

void loop() {
  float weight = scale.get_units();  // Get weight in kilograms

  if (scale.wait_ready_timeout(1000)) {
    Serial.print("Weight: ");
    Serial.print(weight);
    Serial.println(" kg");
  } else {
    Serial.println("HX711 not found.");
  }

  delay(1000);
}