hx711.ino

hx711.ino

#include "HX711.h"

// HX711.DOUT	- pin #A1
// HX711.PD_SCK	- pin #A0

HX711 scale(4, 5, 128);		// parameter "gain" is ommited; the default value 128 is used by the library

void setup() {
  Serial.begin(115200);
  Serial.println("HX711 Demo");

  Serial.println("Before setting up the scale:");
  Serial.print("read: \t\t");

  Serial.println(scale.read());      // print a raw reading from the ADC

  Serial.print("read average: \t\t");
  
  ESP.wdtDisable();
  Serial.println(scale.read_average(20));   // print the average of 20 readings from the ADC
  ESP.wdtEnable(2000);

  Serial.print("get value: \t\t");
  Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight (not set yet)

  Serial.print("get units: \t\t");
  
  ESP.wdtDisable();
  Serial.println(scale.get_units(5), 1);  // print the average of 5 readings from the ADC minus tare weight (not set) divided
  // by the SCALE parameter (not set yet)
  ESP.wdtEnable(2000);

  scale.set_scale(2280.f);    // this value is obtained by calibrating the scale with known weights; see the README for details
  scale.tare();               // reset the scale to 0

  Serial.println("After setting up the scale:");

  Serial.print("read: \t\t");
  Serial.println(scale.read());                 // print a raw reading from the ADC

  Serial.print("read average: \t\t");
  
  ESP.wdtDisable();
  Serial.println(scale.read_average(20));       // print the average of 20 readings from the ADC
  ESP.wdtEnable(2000);

  Serial.print("get value: \t\t");
  
  ESP.wdtDisable();
  Serial.println(scale.get_value(5));   // print the average of 5 readings from the ADC minus the tare weight, set with tare()
  ESP.wdtEnable(2000);

  Serial.print("get units: \t\t");
 
  ESP.wdtDisable();
  Serial.println(scale.get_units(5), 1);        // print the average of 5 readings from the ADC minus tare weight, divided
  // by the SCALE parameter set with set_scale
  ESP.wdtEnable(2000);

  Serial.println("Readings:");

}

void loop() {
  Serial.print("one reading:\t");
  Serial.print(scale.get_units(), 1);
  Serial.print("\t| average:\t");
  Serial.println(scale.get_units(5), 1);


  scale.power_down();             // put the ADC in sleep mode
  delay(2000);
  scale.power_up();
}