Subscribe
 


Horns, Bells, Megaphones, Sirens etc.

Google
Electronics Infoline Web





Birdie Doorbell Ringer

Birdie Doorbell Ringer

http://www.uoguelph.ca/~antoon/circ/birdie.htm

Very loud beeper

Very loud beeper

http://www.discovercircuits.com/PDF-FILES/beeper3.pdf