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Homemade Gate Alarm


Gate Alarm
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TOOL:
BUILDER:
Ahmad Shahidan on asm.com.my
DESCRIPTION:
Diagram for a homemade gate alarm constructed from laser pointers, photocells, and a siren.
RATING:
(1)
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Apr 30, 2016 1:15 PM
Anonymous
Transistor gate connected directly to 9V, would destroy the transistor
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DIY Gate Alarm - comment on how to build a Gate Alarm - 1 comments
Anonymous says:
Apr 30, 2016 1:15 PM
Transistor gate connected directly to 9V, would destroy the transistor

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