做一个电子秤

Arduino制作电子秤

#include //液晶驱动的库#include //hx711的库const int btpin=7;int btst=0;HX711 hx(9, 10);int j=0;int i=0;int ii=0;int j0=0;double sum0 = 0; double sum = 0;LCD5110 myGLCD(2,3,4,6,5);extern uint8_t SmallFont[];extern uint8_t MediumNumbers[];extern uint8_t BigNumbers[];void setup(){ Serial.begin(9600); myGLCD.InitLCD(); myGLCD.setFont(SmallFont); myGLCD.print("Angela to ", LEFT, 12); //开机时会显示Angela送给Helen myGLCD.print("Helen!", CENTER, 36); delay(1500); myGLCD.InitLCD(); sum = hx.read(); sum0=sum/1300;}void loop(){ btst=digitalRead(btpin); sum = hx.read(); //Serial.println(sum); sum=sum/1300;//除以多少需要自己去根据不同的力传感器调节 if(btst==1) sum0=sum; j=sum-sum0; if(j!=j0) myGLCD.InitLCD(); j0=j; Serial.println(j); myGLCD.setFont(BigNumbers); myGLCD.printNumI(j, CENTER, 24); myGLCD.setFont(SmallFont); myGLCD.print("Helen's scale", LEFT, 0); //会显示Helen的称 myGLCD.print("g", RIGHT, 36); delay(200);}void loop(){ btst=digitalRead(btpin); sum = hx.read(); //Serial.println(sum); sum=sum/1300; if(btst==1) sum0=sum; j=sum-sum0; if(j!=j0) myGLCD.InitLCD(); j0=j; Serial.println(j); myGLCD.setFont(BigNumbers); myGLCD.printNumI(j, CENTER, 24); myGLCD.setFont(SmallFont); myGLCD.print("Helen's scale", LEFT, 0); myGLCD.print("g", RIGHT, 36); delay(200);}