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With all of the interest in Remote station control
& operation these days, it would be nice to have a simple,
inexpensive, method to remotely control items in your
hamshack.
The FoxDelta RUS-1112 Remote USB Switch utilizes
an 18F2550 PIC, connected to a ULN 2803 Buffer, driving eight small
PCB Relays. Each Form A relay circuit is rated for 30vdc/2A and
120vac/1A. Power is supplied by your computer’s USB port . No
external power source is required.
Four onboard Dual LEDs provide a local indication
of the relay status’. In addition, a manual Reset push button is
located on the rear of the unit, should it ever be needed.
Installation is straight forward; Simply, plug
the “Remote USB Switch” to an unused USB port on your computer,
load a small application program made by Tony/I2TZK
to your Desktop, and you are ready to go.
The small PC application program graphically
depicts the status of each of the switch positions. Internal memory in
the Remote USB Switch remembers switch settings even when the
application program is closed, or in the event of a power failure.
If a power failure occurs, the switch settings will be restored when
power returns. Most PCs continue to provide USB power even when turned
off.
Remote Control of your computer can easily be
accomplished using either “TEAMVIEWER”
or “LOGMEIN”,
which have Free download versions. These programs allow you to
remotely access your home PC and the FoxDelta Remote USB Switch
application program.
Remote USB Switch is now compatible with PstRotatorAZ
by YO3DMU. Details : 
The applications for use of this device are
almost limitless and basically whatever the user can dream up.
For example; Integrating the switch with a commercial antenna switch
will let you change antennas from anywhere you happen to be.
Using the small reed relays to control larger relays would allow you
to turn on/off power supplies, equipment, control audio control
circuits, and many other devices.
Hope you enjoy your NEW Fox Delta “Remote USB
Switch”
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