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a PC for the first time, the appropriate standard drivers are loaded
by the operating system.
The KE-USB108 emulates a standard 104 key USB keyboard,
mouse and joystick. The unit may be used in addition to or in
place of the system's own keyboard, mouse and joystick.
Interfacing to the KE-USB108 Input Headers
Switch Input Headers:
The KE-USB108 features three 2x20 headers for interface to
switch input devices. The first header provides access to inputs
1-36, the second access to inputs 37-72 and the third access to
inputs 73-108. The input headers are arranged with Grounds on
the two pairs of end pins on the headers, and the 36 inputs on
the pins between them. The board is labeled near each header
pin, designating the input number that the pin represents. Each
of the pins may be programmed to emulate any standard PC
keyboard key or key sequence, as well as joystick buttons or
mouse buttons.
Inputs on the headers are activated by shorting them through a
switch to any one of the provided logic Grounds on the header.
When activated, the input will report the keystroke, mouse and
joystick events that it has been programmed to emulate. If held
active, the keystroke response will repeat (if programmed to repeat),
based on the repeat rates and delays set within the PC operating
system. KE-USB108 inputs may be programmed to send keystrokes
when the input is activated, deactivated, or both. The repeat of a
key or key sequence is a selectable option for each input in the
KE-USB108 configuration file.
The inputs are intended to handle mechanical switch inputs and
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