Re: TI-H: EL Backlight installed!
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Re: TI-H: EL Backlight installed!
If you want your calculator to not serve as an anchor, just buy the small
inverter for $10... :)
>>also i found a schematic for something that extracts 120vAC from
>12vDC... i'm
>>not sure if it gets 60vAC from 6 volts DC... if it does reply...
>>here is the link:
>> <A
>HREF="http://www.execulink.com/%7Ecake/circuits/inverter.htm">Inverter
></A>
>
>I belive I've seen that particular page before, and the circuit many
>times. Pretty standard actually. One thing you can do with this
>circuit
>is increase the frequency and observe the effect that has on light
>color
>and output. The power output only has to be a few milliamps, the lamp
>uses around 3ma per square inch.
>
>The voltage output depends on the ratio of the transformer windings,
>in this case, 10:1, so 12v->120v. A 6 volt input would put out 60v,
>unless you used a different transformer.
>For powering the lamp, you would want the smallest transfomer you can
>find (smallest power rating that is, the winding ratio is still
>important).
>You might even want to try and wind your own, a tiny autotransformer
>might
>be sufficent to supply the small current.
>
>DK