school alarm system

need code for following project: Hii all of You, 1.I am developing School alarm system: push buttons for up/cursor/select,increment,save,save and exit 16x2 LCD DS1307 RTC Arduino NANO [login to view URL] alarm system [login to view URL] date and time default [login to view URL] press select button ,menu is loading prints for 3 seconds [login to view URL] select a day will print [login to view URL] keys for increment or decrement Days [login to view URL] selected a day by sel key,saved that data to eeprom [login to view URL] the number of periods in a day will print [login to view URL] keys for inc and dec [login to view URL] selected a number of periods by sel key saved that data to eeprom [login to view URL] you want to fill time for period 1? Yes/no [login to view URL] sel key press then enter start time for period if no go to period 2 [login to view URL],inc/dec then save using keys then goto period 2 Fill all the periods Then data will be stored in the eeprom And wakeup when day,hour and minute matches.. I want to save one week data to the eeprom.. like first 15 bytes for (day)Monday,number of periods,and alarm hour and time .. next bytes same for all the days in weeks ..and will wake up on that time i have developed all the hardware and also got some programming too getting rtc worked and printed date and time on lcd ..but i am getting stuck in saving data to eeprom and wakeup alarm..can you give guidance to me ..and want one expert who will give proper direction...