Dear all,
I made project alarm clock of multiple schedules.I used 24c04 to store alarm schedules.3 to 4 months alarm rings accurately.but now some schedule have changed automatically.as it has a keypad lock.how to solve this problom.here i am using 8051 & rtc ds1307.please reply.
You say your program is partly working and partly not working. Not clear if the problem is related to 24C04 handling. What should we say about it without any code details?