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60 lines
2.1 KiB
60 lines
2.1 KiB
6 years ago
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#include "HX711.h"
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HX711 scale;
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void setup() {
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Serial.begin(38400);
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Serial.println("HX711 Demo");
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Serial.println("Initializing the scale");
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// parameter "gain" is ommited; the default value 128 is used by the library
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// HX711.DOUT - pin #A1
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// HX711.PD_SCK - pin #A0
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scale.begin(2, 3);
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Serial.println("Before setting up the scale:");
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Serial.print("read: \t\t");
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Serial.println(scale.read()); // print a raw reading from the ADC
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Serial.print("read average: \t\t");
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Serial.println(scale.read_average(20)); // print the average of 20 readings from the ADC
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Serial.print("get value: \t\t");
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Serial.println(scale.get_value(5)); // print the average of 5 readings from the ADC minus the tare weight (not set yet)
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Serial.print("get units: \t\t");
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Serial.println(scale.get_units(5), 1); // print the average of 5 readings from the ADC minus tare weight (not set) divided
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// by the SCALE parameter (not set yet)
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scale.set_scale(2280.f); // this value is obtained by calibrating the scale with known weights; see the README for details
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scale.tare(); // reset the scale to 0
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Serial.println("After setting up the scale:");
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Serial.print("read: \t\t");
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Serial.println(scale.read()); // print a raw reading from the ADC
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Serial.print("read average: \t\t");
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Serial.println(scale.read_average(20)); // print the average of 20 readings from the ADC
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Serial.print("get value: \t\t");
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Serial.println(scale.get_value(5)); // print the average of 5 readings from the ADC minus the tare weight, set with tare()
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Serial.print("get units: \t\t");
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Serial.println(scale.get_units(5), 1); // print the average of 5 readings from the ADC minus tare weight, divided
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// by the SCALE parameter set with set_scale
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Serial.println("Readings:");
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}
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void loop() {
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Serial.print("one reading:\t");
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Serial.print(scale.get_units(), 1);
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Serial.print("\t| average:\t");
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Serial.println(scale.get_units(10), 1);
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scale.power_down(); // put the ADC in sleep mode
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delay(500);
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scale.power_up();
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}
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