h a l f b a k e r y
The halfway house for at-risk ideas
add, search, annotate, link, view, overview, recent, by name, random
news, help, about, links, report a problem
or get an account
A keyboard with a built in backlight or overlight which is motion activated when hands move over bottom bar of the keyboard, uses optical sensors like those used in burglar alarms or optical mouses.
||I find the glow from the monitor sufficient.
||The light is baked on my IBM T20, though not motion activated.