Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
:shock: :?: I just don't understand what kind of alarm system you are talking about.. burgler, rain alarm, fire alarm ?? :?:
Anyway one thing i understand that you want to use PIC16F84 with LCD interface.
see the link below it is an example how you can interface PIC16f84 to LCD using 4 bits mode so that you will have rest of the pin left for the sensors and mabe buzzres for your alarm system. **broken link removed**
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