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@dwblair

dwblair/mike_3.ino

Created Dec 25, 2020
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#include "HX711.h"
// HX711.DOUT - pin #A1
// HX711.PD_SCK - pin #A0
HX711 scale(A1, A0); // parameter "gain" is ommited; the default value 128 is used by the library
float force_max = 0.;
void setup() {
Serial.begin(9600);
/*
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");
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");
float force = scale.get_units();
if (force>force_max) force_max=force;
Serial.print(force, 1);
Serial.print(",");
Serial.println(force_max);
//Serial.print("\t| average:\t");
//Serial.println(scale.get_units(10), 1);
scale.power_down(); // put the ADC in sleep mode
delay(100);
scale.power_up();
}
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