More and more computer devices are becoming motor-sensitive to the human hand. Two of such devices are the joystick and touch screens.
The Joy in Sticks
Joysticks are probably one of the oldest input devices that was dependent on the dexterity of the human hand. It pivots on a base and sends information about its angles to the computer. The information it send is basically dependent on pressure, speed and direction to which it is manipulated. Joysticks also usually have push buttons for other commands such as select.
It is widely used in gaming, but lately it is also used in mobile phones. It appears smaller in mobile phones though. Joysticks are also used in complicated machines such as cranes, trucks, underwater unmanned vehicles, zero turning radius lawn mowers and of course, wheelchairs.
Joysticks are very useful, you see! They're not just for playing......video games.
Because of the many uses of joysticks, there are a lot of manufacturers of it. It's hard to pinpoint who the best joystick maker in general is. Among these many manifacturers, there are these:
The different joysticks differ on how much information they pass on. For example, the joysticks in mobile phones are much more simple than the joystick used to control a crane.
SOURCES:
SOURCES:
http://en.wikipedia.org/wiki/Joystick
http://electronics.howstuffworks.com/joystick.htm
http://www.electronics-manufacturers.com/Computers/Input_devices/Joystick/
moodle lecture
accessed on Aug. 4, 2009
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