simple home alarm system pcb


Posted on Feb 6, 2014

This Home Alarm System is simple, secure, fast and cheap. It`s only few components with maximum security with Rolling Code TX and Shock Sensor with variable sensitivity. The alarm module can be assembled in only 2 hours and it don`t need manual preset. Home Alarm System with this characteristics is the most cheap system and the total cost could be


simple home alarm system pcb
Click here to download the full size of the above Circuit.

reduced using a normal external sounder (escl. AG8). GSM module will be add in the future for a remote control. The blue led connected to the pin RA3 of micro controller is used like a memory to know if the home alarm system has been activated by an event and its reset after a reactivation. The red led connected to the power supply before the 1N5406 diode is used to check the power supply connection. Of course the other 3 micro led red near the relays are used to check the output state.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Logic Probe
    Car audio amplifier
    Police Lights associate crystal rectifier Project
    camera
    battery desulphation progress
    Motion Sensor Switch for Light
    High And Low Voltage Cut Off With Time Delay
    Mini High-Voltage Generator
    Quick and Easy Wireless Circuit
    Mains Voltage Monitor
    TC649 motor drive circuit with overheat protection



    Top