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libraries/HX711_Arduino_Library/examples/HX711_basic_example/HX711_basic_example.ino

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+#include "HX711.h"
+
+// HX711 circuit wiring
+const int LOADCELL_DOUT_PIN = 2;
+const int LOADCELL_SCK_PIN = 3;
+
+HX711 scale;
+
+void setup() {
+  Serial.begin(57600);
+  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
+}
+
+void loop() {
+
+  if (scale.is_ready()) {
+    long reading = scale.read();
+    Serial.print("HX711 reading: ");
+    Serial.println(reading);
+  } else {
+    Serial.println("HX711 not found.");
+  }
+
+  delay(1000);
+  
+}

libraries/HX711_Arduino_Library/examples/HX711_full_example/HX711_full_example.ino

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+/**
+ *
+ * HX711 library for Arduino - example file
+ * https://github.com/bogde/HX711
+ *
+ * MIT License
+ * (c) 2018 Bogdan Necula
+ *
+**/
+#include "HX711.h"
+
+
+// HX711 circuit wiring
+const int LOADCELL_DOUT_PIN = 2;
+const int LOADCELL_SCK_PIN = 3;
+
+
+HX711 scale;
+
+void setup() {
+  Serial.begin(38400);
+  Serial.println("HX711 Demo");
+
+  Serial.println("Initializing the scale");
+
+  // Initialize library with data output pin, clock input pin and gain factor.
+  // Channel selection is made by passing the appropriate gain:
+  // - With a gain factor of 64 or 128, channel A is selected
+  // - With a gain factor of 32, channel B is selected
+  // By omitting the gain factor parameter, the library
+  // default "128" (Channel A) is used here.
+  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
+
+  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");
+  Serial.println(scale.read_average(20));  	// print the average of 20 readings from the ADC
+
+  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");
+  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)
+
+  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");
+  Serial.println(scale.read_average(20));       // print the average of 20 readings from the ADC
+
+  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, set with tare()
+
+  Serial.print("get units: \t\t");
+  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
+
+  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(10), 1);
+
+  scale.power_down();			        // put the ADC in sleep mode
+  delay(5000);
+  scale.power_up();
+}

libraries/HX711_Arduino_Library/examples/HX711_retry_example/HX711_retry_example.ino

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+#include "HX711.h"
+
+// HX711 circuit wiring
+const int LOADCELL_DOUT_PIN = 2;
+const int LOADCELL_SCK_PIN = 3;
+
+HX711 scale;
+
+void setup() {
+  Serial.begin(57600);
+  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
+}
+
+void loop() {
+
+  if (scale.wait_ready_retry(10)) {
+    long reading = scale.read();
+    Serial.print("HX711 reading: ");
+    Serial.println(reading);
+  } else {
+    Serial.println("HX711 not found.");
+  }
+
+  delay(1500);
+  
+}

libraries/HX711_Arduino_Library/examples/HX711_timeout_example/HX711_timeout_example.ino

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+#include "HX711.h"
+
+// HX711 circuit wiring
+const int LOADCELL_DOUT_PIN = 2;
+const int LOADCELL_SCK_PIN = 3;
+
+HX711 scale;
+
+void setup() {
+  Serial.begin(57600);
+  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
+}
+
+void loop() {
+
+  if (scale.wait_ready_timeout(1000)) {
+    long reading = scale.read();
+    Serial.print("HX711 reading: ");
+    Serial.println(reading);
+  } else {
+    Serial.println("HX711 not found.");
+  }
+
+  delay(1500);
+  
+}