diff --git a/libraries/HX711/examples/HX_grocery_scale/HX_grocery_scale.ino b/libraries/HX711/examples/HX_grocery_scale/HX_grocery_scale.ino new file mode 100644 index 0000000..cfd5857 --- /dev/null +++ b/libraries/HX711/examples/HX_grocery_scale/HX_grocery_scale.ino @@ -0,0 +1,66 @@ +// +// FILE: HX_grocery_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; + + +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)); + + Serial.println("\nEmpty the scale, press a key to continue"); + while(!Serial.available()); + while(Serial.available()) Serial.read(); + + scale.tare(20); + Serial.print("UNITS: "); + Serial.println(scale.get_units(10)); + + + Serial.println("\nPut 1000 gr in the scale, press a key to continue"); + while(!Serial.available()); + while(Serial.available()) Serial.read(); + + scale.calibrate_scale(1000, 5); + Serial.print("UNITS: "); + Serial.println(scale.get_units(10)); + + Serial.println("\nScale is calibrated, press a key to continue"); + while(!Serial.available()); + while(Serial.available()) Serial.read(); + + scale.set_unit_price(0.031415); // we only have one price +} + + +void loop() +{ + Serial.print("UNITS: "); + Serial.print(scale.get_units(5)); + Serial.print("\t\tPRICE: "); + Serial.println(scale.get_price(5)); + delay(1000); +} + + +// -- END OF FILE --