Re: ATM A little electronic help on my Foucault tester

[Joe Mayenschein <mayen1@mwt.net>]

The easiest way is to forget all this fixed value resistor garb and get yourself
a Pot and be done with it. then you can use every last bit of energy the battery
has to offer.

Joe

Leftfieldstar@aol.com wrote:

> Mike,
>
>  That's a nice handy method for figuring the resister values. Do you have a
> reference for other convenient data computation like that?
>
> <<Take the battery voltage, subtract the LED voltage, and divide by the
> nominal
> current to find the minimum resistor you need in series.>>
>
> Dominic DiLeo