HX711 Load Cell Amplifier

#include <HX711.h>

const int HX711_DOUT_PIN = 3;
const int HX711_SCK_PIN = 2;

HX711 scale;

void setup() {
  Serial.begin(9600);
  while (!Serial) {
    ;
  }

  Serial.println("HX711 Load Cell Amplifier example");
  Serial.println("Initializing...");

  scale.begin(HX711_DOUT_PIN, HX711_SCK_PIN);

  // In a real project, calibrate this value for your load cell.
  // This example uses a default calibration factor so the sketch compiles and runs.
  scale.set_scale();
  scale.tare();

  Serial.println("Tare complete.");
}

void loop() {
  if (scale.is_ready()) {
    long reading = scale.get_units(10);
    Serial.print("Weight reading: ");
    Serial.println(reading);
  } else {
    Serial.println("HX711 not ready");
  }

  delay(500);
}