Kit K2655 watchdog

A circuit that produces a natural sounding barking dog with a sensitive &#34ear&#34 to everything that comes near it. It is a faithful watchdog, which never sleeps and never has to be taken out for a walk.

power supply: 2 x 8VAC or 9 – 12VDC / 500mA
choice of two different &#34dog sounds&#34
reacts to surrounding noise with adjustable sensitivity
speaker output: 2W at 4ohm
PCB dimensions: 142 x 75mm (5.6&#34 x 3.0&#34)