This C code was written and tested on the cloudx microcontroller board which is a development board based on the pic series the code is tested and trusted , the bell system uses ds1302 rtc moodule, 4 by 4 keypad , and nokia 5110 display to collect the following

• 1. no of times to rings
• 2. the specific time to ring on each ring number
• 3. then sounds a buzzer to indicate the ring time has been achieved