pic in a rain detector
ok sir,,my system is about alarms system,,
i working out a project about rain alarm in my sport complex,,
basically the project flow is like this...
when raining..the circuit detect the rain,,and triggered the alarm,,
here come the problem...
1)this rain alarms only working on daylight..when at night..it is shut off..
so i need to build system or operating hour for the system,,start from 6am to 6pm only..if the rain fall without the range of operating hour..nothing happen to alarm,,
2)i dont know to choose and use what kind of pic..please make a suggestion sir..