#include<HX711.h>

const int ld_data = 4;
const int ld_sck = 2;

HX711 scale;

void setup() {
  Serial.begin(115200);
  scale.begin(ld_data,ld_sck);
}


void loop() {
  if(scale.is_ready())
  {
    scale.set_scale();
    Serial.println("Tare...");
    delay(5000);
    scale.tare();
    Serial.println("Tare done...");
    Serial.println("now put weight...");
    delay(5000);
    long reading = scale.get_units(10);
    Serial.println(reading/(21000/50));
  }

}