arduino scale firmware

scale/scale.ino

@@ -0,0 +1,59 @@
+#include "HX711.h"
+
+HX711 scale;
+
+void setup() {
+  Serial.begin(38400);
+  Serial.println("HX711 Demo");
+
+  Serial.println("Initializing the scale");
+  // parameter "gain" is ommited; the default value 128 is used by the library
+  // HX711.DOUT	- pin #A1
+  // HX711.PD_SCK	- pin #A0
+  scale.begin(2, 3);
+
+  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(500);
+  scale.power_up();
+}