51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
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#include "HX711.h"
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const int LOADCELL_DOUT_PIN = 2;
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const int LOADCELL_SCK_PIN = 3;
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HX711 scale;
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long scale_factor = 0;
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long no_weight = 0;
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void tare() {
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// put your setup code here, to run once:
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Serial.begin(9600);
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delay(1000);
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Serial.println("Alle Gewichte entfernen...");
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scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
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delay(4000);
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Serial.println("[Measureing]");
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Serial.print("Null-Gewicht: ");
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no_weight = scale.get_units(3);
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Serial.println(no_weight);
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delay(1000);
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Serial.println("100g Gewicht platzieren...");
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delay(4000);
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Serial.print("100g-Gewicht: ");
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scale_factor = scale.get_units(3);
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Serial.println(scale_factor);
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scale_factor = scale_factor / 100;
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Serial.print("Skalierungsfaktor: ");
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Serial.println(scale_factor);
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delay(2000);
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}
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int len = 0;
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long sum = 0;
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void tare_loop() {
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delay(2000);
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long val = scale.get_units(1);
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// (WEIGHT_VAL - NO_WEIGHT_VAL) / (100g_val /100) = Gewicht in Gramm
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Serial.println( ( val - no_weight ) / scale_factor );
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}
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