A circuit that produces a natural sounding barking dog with a sensitive "ear" 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 "dog sounds"
reacts to surrounding noise with adjustable sensitivity
speaker output: 2W at 4ohm
PCB dimensions: 142 x 75mm (5.6" x 3.0")
Termokaitse 2A 250V 120°C radial
Resistor SMD0603 56K 0.1W 1%
Avarii nupp XAL-164H29 karbis, mittefikseeruv 





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