LamNguyen.24660
#include
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);
#define DT A0
#define SCK A1
#define sw 9
long sample=0;
float val=0;
long count=0;
unsigned long readCount(void)
{
unsigned long Count;
unsigned char i;
pinMode(DT, OUTPUT);
digitalWrite(DT,HIGH);
digitalWrite(SCK,LOW);
Count=0;
pinMode(DT, INPUT);
while(digitalRead(DT));
for (i=0;i
