Digital security system
Smart, easy to use, easy to install, compact home/office/personal microprocessor alarm system

Price 15000 Euro

Status: production ready

Implemented features:

-Two control codes with variable length up to 10 digits long - one disarming code and one settings code
-4 security zones - fast, delayed, 24 hours, tamper
-3 arming states - only fast zone, only delayed zone, fully armed
-easy going to armed mode
-easy increasing of security level without need of intermediate disarming
-indication for triggered alarm
-panic function
-optional indirect siren driving
-optional sound signal at delayed zone activity on disarmed state
-pulse output for alarm states
-secure password reset feature

Menu settings (assigned to keyboard keys and stored to internal eeprom):
1 master password 1-10 digits long
2 user password 1-10 digits long
3 delay on entering 1-99sec
4 delay on exit 1-99sec
5 dong on slow zone enabled/disabled


Schematics:
- single side, single layer trough hole PCB

Source code:
super simple and effective, easy to understand code in assembly language, interrupt based

Hadrware:
1x PIC16f628a MCU is doing all the job via interrupts processing and all the time is in sleep for minimum power consumption, so can work on batteries with months