Lalim Parallel Port Control v3.4.0 for
Win9x/NT4/ME/Win2k/XP
Lalim Parallel Port Control can control
hardware through the parallel port (printer
port) and can also control a remote PC
parallel port through a network. Most of
engineering industry using PC to control
hardware with using additional I/O card but
with Lalim Parallel Port Control you can use
your default printer port controlling
external device such as switching on/off
light or control electronic devices. What
does this program trigger the parallel port
(Printer port) 's data pin by your command.
For example when you trigger pin2 , your
printer port's pin2 becomes +5 volt . With
this +5 volt , you can built your own
electronic circuit to drive other external
device. You can also built a simple circuit
to test it by connect a LED with 1 kohm
resistor direct to it pin. Lalim Parallel
Port Control requires a certain knowledge of
electronics and if you are not comfortable
with a soldering iron, or don't know what a
1k resistor is, then it is probably advisable
that you do not attempt to use this program.
If you are capable working with DC
electronics, Lalim Parallel Port Control
allows you to build remote-controlled, or
timed, devices for your home or office
turning on or off the air conditioner,
adjusting lighting, opening & closing
windows, monitoring burglar alarms, and more.
http://www.geocities.com/lalimsoftware/parallel.htm
