cmos based single zone alarm


Posted on Feb 7, 2014

This circuit features automatic Exit/Entry delays, timed Bell Cut-off and System Reset. It has provision for normally-open and normally-closed switches and will accommodate the usual input devices (Pressure Mats, Magnetic Reed contacts, Foil Tape, PIRs and Inertia Sensors)..


cmos based single zone alarm
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

32.768 KHz Oscillator using Watch Crystal
Simple Metal Detector
Low Voltage High Current Time Delay Circuit
Power Monitor
Diode Tube
60 watt bass amplifier
led interfacing with tms320f2812 tyro
Selfrunning Free Energy 5 KW Kapanadze 1



Top