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License: Public Domain

Published Time:2018-05-23 22:43:10
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Description

include "HX711.h"

include "TM1637Display.h"

const byte PIN_CLK = 9; // define CLK pin (any digital pin) const byte PIN_DIO = 8; // define DIO pin (any digital pin) TM1637Display display(PIN_CLK, PIN_DIO);

int PINO_TARA = 2; int PINO_20 = 3;

define DOUT A1

define CLK A0

HX711 balanza(DOUT, CLK);

double tara = 0; double weight20 = 20;

void setup() { pinMode(PINO_TARA, INPUT); pinMode(PINO_20, INPUT);

display.setBrightness(0x0a);

Serial.begin(9600); Serial.print("Lectura del valor del ADC: "); Serial.println(balanza.read()); Serial.println("No ponga ningun objeto sobre la balanza"); Serial.println("Destarando..."); balanza.set_scale(); //La escala por defecto es 1 balanza.tare(20); //El peso actual es considerado Tara. Serial.println("Coloque un peso conocido:"); }

void loop() {

double weight = balanza.get_value(10); Serial.print("weight: "); Serial.println(weight);

if(digitalRead(PINO_TARA) == HIGH){ tara = weight; weight20 = tara + 10000; Serial.print("tara: "); Serial.println(tara); }

if(digitalRead(PINO_20) == HIGH){ weight20 = weight - tara; Serial.print("weight20: "); Serial.println(weight20); }

double weight1 = weight20 / 20; if(weight1 == 0) weight1 = 1; double weight1_2 = weight1/2;

double units = (weight - tara + weight1_2)/weight1; if(units < 0) units = 0;

Serial.print("Valor de lectura: "); Serial.println(units); //delay(100);

display.showNumberDec((int)units); }

Documents
ID Name Designator Footprint Quantity
1 Switch3x4x2 X0,X20 KEY-3.0*4.0 2
2 1k R1,R2 AXIAL-0.3 2

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