Profoundly cool! On Mon, Feb 20, 2023 at 6:03 PM Mike Stein <[email protected]> wrote:
> Nice!! > > On Mon, Feb 20, 2023 at 5:38 PM Peter Noeth <[email protected]> wrote: > >> I recently finished my T102 "Nite Lite" v2 and am attaching pictures, >> which I hope make it through to the list. >> >> I originally attached a "gooseneck" type book light I got from Barnes & >> Noble to an empty DB-25 connector and shell years ago by taking the "spring >> clamp / battery holder" off the light and placing the batteries inside the >> DB-25 shell. After responding to SteveA's recent query about a reading >> light solution, I decided to make a more refined solution that is powered >> by the computer itself. >> >> I decided to keep using the RS-232 port for connection as my gooseneck is >> somewhat too short to use the Barcode Port. The light would not reach to >> the midpoint of the display for an even illumination. >> >> I jumpered +5v from the power supply to unused pin 14 (secondary Tx, an >> output signal) on the RS-232 connector and take ground thru pin 7. The >> light draws ~25mA as opposed to its normal ~33mA from a +6v battery (2 2032 >> coin cells in series). It lights up the display and keyboard nicely, but is >> not *really* bright. I guess these book lights are not supposed to be >> real bright when used in a pitch dark room so as not to blind the reader. >> >> Haven't used it enough to know how much it would shorten the normal 20 >> hour AA battery life, but since I usually use an external 6v lantern >> battery, it probably won't make much difference to my "use model" anyway. >> >> Regards, >> >> PeterN >> >
