DoorBell with PIC16F84

This project DoorBell was created by Quozl . He used microcontroller PIC 16F84.

A microcontroller driven doorbell circuit 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.

Source: Quozl

door bell with pic16f84

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