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Shoestring GPINT PT Sold to Bratislav!!
One shoestring parallel port guide adapter. I bought this some time ago from John G and haven't used it. This device connects to a parallel port on your laptop (my new lappy doesn't have a parallel port) so you will need a laptop with a parallel port to use this device.
from the Shoestring site
The GPINT-PT guide port interface adapter plugs directly into the parallel port of your computer. Using an RJ-12 cable, the adapter connects to the guide port of your telescope mount. This guide port interface uses optocouplers to electrically isolate the computer from the telescope, eliminating a possible source of electrical interference. This interface adapter is small and require no external power source. It uses the D4, D5, D6, and D7 lines of the parallel port. Furthermore, all of the parallel port signals are routed through the adapter to another DB-25 female connector so you still have access to all the parallel port signals. If you have a modified webcam or a DSLR shutter control cable that needs to be controlled by some of the parallel port signals (D0, D1, D2, or D3), you still have access to them!
$35 posted.
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