School Bell Timer

On a typical day in the school a student’s school activity starts with the first bell followed by a series of bell ringing to notify the beginning and the end of various activities including teaching periods. For this purpose generally the ringing of the bell is done manually. This result many human error in ringing the bell on right time.
A microprocessor based electronic instrument can be programmed to activate and ring the bell at preset time for the entire day. This instrument can also be programmed to cater different zones in the school. Such an instrument is totally independent of any human intervention and works automatically once programmed.
These units are Password protected to prevent unauthorized data manipulation. These units can be set with multiple bells with different bell ringing durations. The bells can be programmed using the 4 keys and it is user friendly and menu driven. It has to be set in 24 hour format. The bells are to be set once initially for all the Program modes and the bells automatically ring as per the schedule.