Upload files to "libraries/HX711/examples/HX_performance"

libraries/HX711/examples/HX_performance/HX_performance.ino

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+//
+//    FILE: HX_performance.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: HX711 performance measurements
+//     URL: https://github.com/RobTillaart/HX711
+
+
+#include "HX711.h"
+
+HX711 scale;
+
+//  adjust pins if needed
+uint8_t dataPin = 6;
+uint8_t clockPin = 7;
+
+uint32_t start, stop;
+volatile float f;
+
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println(__FILE__);
+  Serial.print("HX711_LIB_VERSION: ");
+  Serial.println(HX711_LIB_VERSION);
+  Serial.println();
+
+  scale.begin(dataPin, clockPin);
+
+  Serial.println("\nUNCONFIGURED");
+  delay(1000);
+  measure(10);
+
+  //  TODO find a nice solution for this calibration..
+  //  load cell factor 20 KG
+  //  scale.set_scale(127.15);
+
+  //  load cell factor 5 KG
+  scale.set_scale(420.0983);       //  TODO you need to calibrate this yourself.
+  //  reset the scale to zero = 0
+  scale.tare();
+
+  Serial.println("\nCONFIGURED");
+  delay(1000);
+  measure(10);
+
+  Serial.println("\nSLEEP");
+  scale.power_down();
+  delay(2000);
+  scale.power_up();
+  Serial.println("\nWAKE UP");
+  delay(1000);
+  measure(10);
+
+/*
+ *  PERFORMANCE
+ *  100x get_units(1) = 9404352  (UNO)
+ *  VAL: 0.05
+ */
+  Serial.println("\nPERFORMANCE");
+  delay(10);
+  start = micros();
+  f = 0;
+  for (int i = 0; i < 100; i++)
+  {
+    f = scale.get_units(1);
+  }
+  stop = micros();
+  Serial.print("100x get_units(1) = ");
+  Serial.println(stop - start);
+  Serial.print("  VAL: ");
+  Serial.println(f, 2);
+
+  Serial.println("\nPRECISION");
+  f = 0;
+  for (int i = 0; i < 100; i++)
+  {
+    f += scale.get_units(1);
+  }
+  Serial.print("  VAL:");
+  Serial.println(f * 0.01, 4);
+}
+
+
+void loop()
+{
+  //  continuous scale 4x per second
+  //  f = scale.get_units(5);
+  //  Serial.println(f);
+  //  delay(250);
+}
+
+
+void measure(uint8_t cnt)
+{
+  Serial.print("  RAW: ");
+  Serial.println(scale.read());
+  Serial.print("  AVG: ");
+  Serial.println(scale.read_average(cnt));
+  Serial.print("VALUE: ");
+  Serial.println(scale.get_value(cnt));
+  Serial.print("UNITS: ");
+  Serial.println(scale.get_units(cnt), 1);
+}
+
+
+// -- END OF FILE --

libraries/HX711/examples/HX_performance/performance_0.3.1.txt

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+LIBRARY VERSION: 0.3.1
+
+
+UNCONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+CONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+SLEEP
+
+WAKE UP
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+PERFORMANCE
+100x get_units(1) = 41164
+  VAL: 0.00
+
+PRECISSION
+  VAL:0.0000

libraries/HX711/examples/HX_performance/performance_0.3.2.txt

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+(UNO)
+
+LIBRARY VERSION: 0.3.2
+
+
+UNCONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+CONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+SLEEP
+
+WAKE UP
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+PERFORMANCE
+100x get_units(1) = 40944
+  VAL: 0.00
+
+PRECISSION
+  VAL:0.0000

libraries/HX711/examples/HX_performance/performance_0.3.4.txt

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+BOARD:  UNO
+IDE:    1.8.19
+SKETCH: HX_performance.ino
+
+LIBRARY VERSION: 0.3.4
+
+
+UNCONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+CONFIGURED
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+SLEEP
+
+WAKE UP
+  RAW: 0.00
+  AVG: 0.00
+VALUE: 0.00
+UNITS: 0.0
+
+PERFORMANCE
+100x get_units(1) = 40904
+  VAL: 0.00
+
+PRECISION
+  VAL:0.0000
+