Step 11Construction 11
Top left: 6 X 1.2V NiMh rechargeable batteries to drive the Olympus Eye-Trek(TM) circuit board.
Middle left: 9V battery to power the Video receiver circuit board.
Middle: Two circuit boards one above the other separated by an insulating layer of clear hard plastic.
Upper board is the one from the video receiver.
Lower board underneath is the one from the hand controller of the Eye-Trek glasses.
There is an on/off switch for each board.
I made up a cable to take the "video-out" signal from the receiver to the "video-in" port of the Eye-Trek glasses (this also included the audio too). If this is unplugged from the "video-in" it allows you to run the display from a cable fed video signal if you want to, with the video receiver unit switched off.
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