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

// HX711 pins
const int LOADCELL_DOUT_PIN = 16;
const int LOADCELL_SCK_PIN = 4;

//VCC =>5v
//GND =>GND

HX711 scale;

void setup() {
  Serial.begin(115200);

  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
}

void loop() {

  if (scale.is_ready()) {

    scale.set_scale();

    Serial.println("Tare... Remove all weight from the scale.");
    delay(5000);

    scale.tare();

    Serial.println("Tare complete.");
    Serial.println("Place a known weight on the scale.");
    delay(5000);

    long reading = scale.get_units(10);

    Serial.print("Reading: ");
    Serial.println(reading);

    Serial.println("--------------------------------");
  }
  else {
    Serial.println("HX711 not found.");
  }

  delay(1000);
}