Foolproof input line
Russell McMahon email (remove spam text)
> - which can get easily get 'spooked' (reset, garbled
> data or even potentially destroyed) by transients
> generated by motors (series wound vacuum motors!) on
> the mains switching on and off or lightning strikes
> (induced or secondary effects occurring as far as a
> 1/2 to a mile away!).
"Taser" extra high voltage shock devices applied to wiring/camera/PIR sensor
with aim of rendering your security system insensible :-) (Real security
industry event according to an alarm specialist on this list some while
ago). Has the beauty of travelling far and wide on your wiring and very
likely taking out not only interface it is applied to but also the
controller and other interfaced devices.
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