Quozlโ€™s Doorbell
This is a simple microcontroller driven(PIC16F84) doorbell project with features:
  • one second instant pulse output
  • one second delayed pulse output
  • two minute lighting output
  • latching has been triggered indicator
  • processor alive indicator
  • ignore additional trigger for preset duration.
This ia ana open source project,source code and PCB areย�included.
   Quozl’s Doorbell
at quozl.linux.org.au