diff --git a/libraries/HX711/examples/HX_delta_scale/HX_delta_scale.ino b/libraries/HX711/examples/HX_delta_scale/HX_delta_scale.ino new file mode 100644 index 0000000..848ef24 --- /dev/null +++ b/libraries/HX711/examples/HX_delta_scale/HX_delta_scale.ino @@ -0,0 +1,74 @@ +// +// FILE: HX_kitchen_scale.ino +// AUTHOR: Rob Tillaart +// PURPOSE: HX711 demo +// URL: https://github.com/RobTillaart/HX711 + + +#include "HX711.h" + +HX711 scale; + +// adjust pins if needed +uint8_t dataPin = 6; +uint8_t clockPin = 7; + +float w1, w2, previous = 0; + + +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.print("UNITS: "); + Serial.println(scale.get_units(10)); + + // 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. + scale.tare(); + + Serial.print("UNITS: "); + Serial.println(scale.get_units(10)); +} + + +void loop() +{ + // read until stable + w1 = scale.get_units(10); + delay(100); + w2 = scale.get_units(); + while (abs(w1 - w2) > 10) + { + w1 = w2; + w2 = scale.get_units(); + delay(100); + } + + Serial.print("UNITS: "); + Serial.print(w1); + if (w1 == 0) + { + Serial.println(); + } + else + { + Serial.print("\t\tDELTA: "); + Serial.println(w1 - previous); + previous = w1; + } + delay(100); +} + + +// -- END OF FILE -- +