Electronic Canary


Posted on May 28, 2012

Reverse engineered circuit diagram of a commercial Electronic Bird. This one was built into a plastic christmas ornament and runs off a 9V battery. Note that L1 is actually just an audio transformer with an unused secondary winding.


Electronic Canary
Click here to download the full size of the above Circuit.

Here is another commercial circuit of the same type as shown above, but this one operates on 3VDC supplied by two AA cells. It is therefore able to use fewer parts but is not as loud. These ones run off a single AA cell and there are three slightly differ




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Two-wire Lamp Flasher
Touch triggered bistable
Line-current-detector
Loop Antenna For 3.5 Mhz
Twin Bell Circuit Circuit
2 transistor fm transmitter
Automotive LED Timing Light
microcontroller driving relay
Four-way operation of the reverse brake circuit



Top