const int LedPinRed=4;
const int LedPinGreen=2;
const int LedPinYellow= 5;
const int PushButtonRed=35;
const int PushButtonGreen=26;
#define LDR 34
#include "HX711.h"
const int pinDOUT = 18;
const int pinSCK = 19;
HX711 scale;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(LedPinRed, OUTPUT);
  pinMode(LedPinGreen, OUTPUT);
  pinMode(PushButtonRed, INPUT);
  pinMode(PushButtonGreen, INPUT);
  pinMode(LedPinYellow, OUTPUT);

  scale.begin(pinDOUT, pinSCK);
  scale.set_scale(0.42);
  scale.tare();
}

void loop() {
  int buttonStateRed=digitalRead(PushButtonRed);
  int analogValue = analogRead(LDR);

  if (analogValue > 3000){
    digitalWrite(LedPinYellow, HIGH);
  }
  else{
    digitalWrite(LedPinYellow,LOW);
  }
 // Serial.println(buttonStateRed);
  if (buttonStateRed == HIGH){
    digitalWrite (LedPinRed, HIGH);
    //Serial.print("Led merah nyala");
  }
  else 
  {
  digitalWrite(LedPinRed, LOW);
  //Serial.print("Led merah mati");
  }
  

  int buttonStateGreen=digitalRead(PushButtonGreen);
 // Serial.println(buttonStateGreen);
  if (buttonStateGreen == HIGH){
    digitalWrite (LedPinGreen, HIGH);
   // Serial.print("Led hijau nyala");
  }
  else 
  {
  digitalWrite(LedPinGreen, LOW);
 // Serial.print("Led merah mati");
  }

  Serial.print("Analog Value = ");
  Serial.println(analogValue);
  delay(1000);

  if (scale.is_ready()) {
  long reading = scale.get_units(3);
  float kg = float(reading) / 1000;
  Serial.print("Berat: ");
  Serial.print(kg, 2);
  Serial.println(" kg");
  delay(100); 
  }
 
}