Hello everyone
I'm new here and i hope someone can help…
I am working on home security alarm system and I am looking for schematic diagram, has to have the following characteristics:
1) Use of a microcontroller, PIC16F877
2) Use of infrared sensor.
3) Keypad (arm and disarm the alarm)
4) LCD display
5) use of a siren in case they entering wrong password for 3 times or if infrared beam has been cut
it will better to give me some ideas on where and how to develop this project
your help is very much appreciated.
thank you