Break burglar alarm circuit II


Posted on Dec 11, 2010

Ding for the circuit principle: care, vs SCR trigger grounded, it is in the off state. When someone leads A burglar broke, the SCR trigger end to give a trigger voltage is turn


Break burglar alarm circuit II
Click here to download the full size of the above Circuit.

ed on, the oscillator complementary VT1 and VT2 and the like of electrical work, issued a beep sound. Meanwhile strobe light emitting diode LED is also due to thyristor energized and winking, inform someone to steal. S to disarm the alarm switch.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Powerful LED Flashlight circuit
Musical telephone ringer
Air-motion-detector
Cmos-short-pulse-generator
H-Bridge
diy-solid-state-relay.html
Charger circuit equipped with a regulator circuit output voltage Schematic Diagram
how do sim card works on mobile phones
dsb exciter
Schematics Touch Activated Alarm
Visual System Simulator circuit
Scalextric Lap Counter
Touch fan speed control circuit eight stalls



Top