The Graphics hand controller is composed of a touch screen
on the front and a membrane push buttons on the back.
It has it's own ARM processor and communicateds with the
main unit over a serial channel communicating at 57600 baud. It
connects into the HC input jack on the main unit. It also
has an Micro-SDcard that holds the Catalogs amd button graphics.
This card is updated from the main unit.
It uses the same command set as any observatory program
would use to communicate with the main unit.
It does not contain an battery, It does not have an
ethernet address of it's own.
This version of the hand controller is now a completely designed
The Version 2 of the Gemini-2 Inside the New Gemini-2 V2
The new unit is physically smaller than the original
Gemini-2, hense the name Gemini-2 Mini.
The new unit has only one power connector.
The Classic hand controller jack has been eliminated.
They say the new hand control they sell has the same version of
the switches that is on the back of the Graphics hand control,
so no need for a Classic Hand Controller Jack.
The DEC and RA connectors have been rotated 90 degrees, so
that right angle connectors if used will not interfere with
The PCB has been completely redesigned, with all the latest
The front panel connectors have been totally rearranged.
The Serial Port 1 now has been relabeled "Serial Port/GPS"
The Serial Port 2 now has been relabeled "HC"
The new unit's battery has been changed to the readily available
CR2450 which has a slightly higher mAH rating than the previous CR2354.
The holder has been changed to something much less damaging to
one's finger nails. The cell snaps into place, and releases with a simple move.
changing CR2450 battery movie.
The Din connectors are now rock solid and do not suffer pin
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and sells nothing and asks for no money for any help it provides. This
here to help fellow Gemini-2 and Gemini-1 owners. This Web Site is not
associated with Losmandy-Hollywood General Machining Inc. or any of
their employees and never has been. There is no guarantee that all the
information is correct, but strives to provide the best information
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is an unpaid beta tester, and tries to work with other beta testers, and
René the writer of the firmware.
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