[Elecraft] K1 LCD Illumination mod

[Tom Hammond NØSS]

>Tom Hammond NØSS wrote:
>>If you placed several of them in series, you could add up to about 8-10 
>>LEDs with NO increase in current, and you'd not have to dissipate nearly=
 
>>as much heat in the dropping resistor.
>>NOT that I'm advocating using a bunch of them, but if they're in series,=
 
>>you CAN reduce the size of the current limiting resistor.
>
>If you used LEDs in series (say, four green ones, for a total voltage drop=
 
>of about 8V), you could also run less current to each one, and use less 
>total power than if you only used one.

Well, I'm not sure you'd USE less power, 12V X 10mA is still the same 
power, 120mW, but it would be less HEAT.

Tom