PROGRAMACION
#include <16f877a.h>
#device adc=10
#fuses hs,nowdt,noprotect
#use delay (clock=20 Mhz)
#include <lcd.c>//Libreria para LCD
#use standard_io(D)
float x;
float y;
float z;
void main()
{
lcd_init();
setup_adc(adc_clock_internal);
setup_adc_ports(RA0_ANALOG);
lcd_gotoxy(1,1);
printf(lcd_putc," TERMOMETRO ");
lcd_gotoxy(1,2);
printf(lcd_putc,"DIGITAL CON LM35");
delay_ms(1000);
while(true)
{
set_adc_channel(0);
delay_us(20);
x=read_adc();
y=(5.0*x)/1023;
z=y*100;
lcd_gotoxy(1,1);
printf(lcd_putc," TEMPERATURA ");
lcd_gotoxy(1,2);
printf(lcd_putc,"ACTUAL= %01.2g oC",z);
if (z==0)
{
output_low(pin_b0);
output_low(pin_b1);
}
if(z>0&&z<=20)
{
output_high(pin_b0);
output_low(pin_b1);
}
if(z>20&&z<=30)
{
output_high(pin_b0);
output_high(pin_b1);
}
}
}
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