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7 segment display interfacing with atmega16
#include <avr/io.h> #include<util/delay.h> int main(void) { DDRC=0b11111111; while(1) { PORTC=0b00111111; _delay_ms(1000); PORTC=0b00000110; _delay_ms(1000); PORTC=0b01011011; _delay_ms(1000); PORTC=0b01001111; _delay_ms(1000); PORTC=0b01100110; _delay_ms(1000); PORTC=0b01101101; _delay_ms(1000); PORTC=0b11111100; _delay_ms(1000); PORTC=0b00000111; _delay_ms(1000); PORTC=0b01111111; _delay_ms(1000); PORTC=0b01100111; _delay_ms(1000); } }
DIGITAL WATCH USING ATMEGA16
#include <avr/io.h> #include <util/delay.h> #include"lcd.h" int main(void) { int hrs,sec,min; char h[4],s[4],m[4]; lcd_init(); lcdcmd(0x80); display("HOUR:MIN:SEC"); for(hrs=0;hrs<25;hrs++) { lcdcmd(0xc5); display(" "); itoa(hrs,h,10); lcdcmd(0xc1); display(h); { for(min=0;min<61;min++) { lcdcmd(0xc8); display(" "); itoa(min,m,10); lcdcmd(0xc4); display(m); { for(sec=0;sec<61;sec++) { itoa(sec,s,10); lcdcmd(0xc7); display(s); _delay_ms(1000); } }}} } // THE HEADER FILE IS:---- void lcdcmd(char x) {DDRD=0b11111111; DDRC=0b11111111; PORTD=x; PORTC=0b00000100; _delay_ms(10); PORTC=0b00000000; _delay_ms(10); } void lcddata(char x) { DDRD=0b11111111; DDRC=0b11111111; PORTD=x; PORTC=0b00000101; _dela...

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