How to read the hx711 value in serial monitor?

Hi, i had a problem in read the value of hx711 in serial monitor, need to figure out why, could someone help out? thanks

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#include "HX711.h"

const int LOADCELL_DOUT_PIN = D4; 
const int LOADCELL_SCK_PIN = D3; 

HX711 scale;

char auth[] = "4300a1aecd4f47d296d6769ef064d440";
char ssid[] = "oh";
char pass[] = "1234567890";

void setup() 
{
 Serial.begin(57600);
 Blynk.begin(auth, ssid, pass);
 scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
}

void loop() 
{
  Serial.println(scale.read());
  delay(500);
}

3 posts were merged into an existing topic: How to use hx711 to light up led wedget