Siren alarm simulates star trek red alert


Posted on Sep 28, 2012

The signal starts at a low frequency, rises for about 1.15 seconds to a high frequency, ceases for about 0.35 seconds, then starts rising again from a low frequency, and so on ad infinitum.


Siren alarm simulates star trek red alert
Click here to download the full size of the above Circuit.

it sounds like the star trek red alert.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Rectification using a Gyrator Circuit
Bass-treble, Volume, balance and Loudness control
Micro-sized-amplifier
dc-voltage-doubler.html
Simple RF Detector For 2M
Capacitance meter using LM2917
LC feedback Oscillator
Atmel 89C2051 In-Circuit Programmer
MULTIDIGIT DEMONSTRATION COUNTER



Top