mirror of
https://github.com/RobTillaart/Arduino.git
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70 lines
1.3 KiB
Arduino
70 lines
1.3 KiB
Arduino
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//
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// FILE: Gauss_HX711.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo
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//
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// can be used with plotter
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#include "HX711.h"
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#include "Gauss.h"
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HX711 scale;
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uint8_t dataPin = 6;
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uint8_t clockPin = 7;
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Gauss G;
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void setup(void)
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("GAUSS_LIB_VERSION:\t");
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Serial.println(GAUSS_LIB_VERSION);
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Serial.print("HX711_LIB_VERSION:\t");
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Serial.println(HX711_LIB_VERSION);
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Serial.println();
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// default weight in grams + stddev
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// adjust to your local situation
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G.begin(100.0, 0.75);
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scale.begin(dataPin, clockPin);
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// load cell factor 5 KG
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// TODO: calibrate the load cell.
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scale.set_scale(420.0983);
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// reset the scale to zero = 0
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scale.tare();
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Serial.println("you may now add weights.");
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}
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void loop(void)
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{
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// simulation
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// float weight = 249 + random(20) * 0.1;
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float weight = scale.get_units(5);
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float stddev = G.normalize(weight);
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Serial.print("WEIGHT: ");
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Serial.print(weight, 1);
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Serial.print("\tSTDDEV: ");
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if (stddev >= 0) Serial.print('+');
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Serial.print(stddev, 2);
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Serial.print("\t");
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if (stddev < -1) Serial.print("LOW."); // TOO LOW
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else if (stddev > 1) Serial.print("HIGH.");
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else Serial.print("OK.");
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Serial.println();
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delay(1000);
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}
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// -- END OF FILE --
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