Use the keybanger to
automate any number
of household systems.
tains to spray; release them when you want
them off. All keybangers allow you to record
at least a 2-minute-long sequence, and some
allow for far longer programs.
Input/output schemes on keybangers are
straightforward. There are one or more trigger inputs on the front of the box. When the
circuit is closed (or opened, depending on
the type of trigger) the device begins running
its program. The circuit closure could be a
simple pushbutton, a switch hidden under
a floor mat, or a passive infrared sensor, for
example. When the circuit closure is made,
the keybanger detects it and starts running
Once the program starts, electrical contacts on the device open and close according
to the instructions you programmed into it.
When the keybanger is triggered, its little
computer brain turns the attached gadgets
on and off in accordance with the program.
Since the unit is fairly intelligent (at least in a
specialized way), it can easily control complicated or lengthy sequences.
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