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9V Siren
Documentation in acrobat format
(K31)
A surprisingly loud siren for such a simple circuit. Uses voltage controlled oscillator. 0.5 Watt, 8 ohm speaker supplied. 9V operation. Ideal to attach to an alarm system which needs an sound module.(CPS31)
Quantity
Price
1 – 9
$13.68
10 – 99
$12.96
100 +
$11.88
Skill Level of Item:
(Kit - Basic Soldering Required)
Product #
CPS31
Quantity Available:
5
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Mini-Vox and Relay kit
The idea behind a VOX (voice activated switch) is that instead of the user pressing a switch to activate a relay, the sound of the users voice itself activates the relay. This gives hands-free control over devices like tape recorders. Power supply needed: 12VDC center positive 2.5mm jack. Electret microphone to pick up the sound is included. PCB size: 44mm x 48mm (1.73inch x 1.89inch).
(CPS126)
Quantity
Price
1 – 9
$15.39
10 – 99
$14.58
100 +
$13.37
Skill Level of Item:
(Kit - Basic Soldering Required)
Product #
CPS126
Quantity Available:
12
