AVR Basic Programes Demo:

01_led

02_led_switch

03_lcd

04_keypad_led

05_keypad_lcd

06_timer_poll_lcd

07_timer_intr_led

08_timer_intr_ctc

09_usart_poll

10_usart_intr

11_adc_intr

12_adc_poll

13_buzzer_switch_intr

14_rtc_i2c_lcd

Download rar file for above programe source codes : AVR C Demo

also given assembly demo AVR Assembly Demo