Re: TI-H: Indiglo Backlight
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Re: TI-H: Indiglo Backlight
>Fine, tell me where to BUY an inverter that runs on 6 volts, is designed
>to run an EL panel, and FITS inside of a calc. The indiglo inverter is
Actually they run from 4v to 6v...and use .5 to 5watt depending on the
screen size.
>the perfect choice. It runs on 1.5 volts, runs a decent sized indiglo
>panel (about 1 square inch), and doesn't KILL the batteries. yeah, I may
>need to alter the values a bit to run on 6v, but believe me, the size of
>the panel does not make a drastic change. Besides, the 4 AAA batteries
>produce way more current than a tiny 1.5v watch battery.
>
>I have the skills to do it, and it'll be cheaper and more efficient to
>build one designed specificly for the EL panel. A little redesing here,
>a different value there, and I'll have the brightest TI in the western
>hemisphere! I intend to look for an indiglo watch today. I had one
>yesterday, but it was mechanical quartz driven and I was only allowed to
>look, not break. I need to find a digital one. It'll be easy to
>dissasemble it!
>
>Richard Piotter
>richfiles1@hotmail.com
>
>>
>>
>>> I mapped out the TI-85 schematic, so mapping out the schematic of the
>>> inverter in an indiglo watch should be a piece of cake! I may get an
>>> indiglo watch from K-mart when they go on sale, take it apart, and
>>> recreate the inverter. Then use a calc screen sized EL panel and see
>if
>>> I can drive it off of 4 AAA batts and see how long it runs!
>>
>>It is much easier to just buy an inverter. It is nothing more than an
>>oscillator feeding a transformer anyway.. Besides, The inverter circuit
>in
>>an Indiglo watch would need to be slightly redesigned due to the higher
>>current requirements of a larger EL panel.
>>
>>--
>>Greg Hill
>>greg-hill@bigfoot.com
>>www.comports.com/link
>>
>>
>>
>
>
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