On 11 Mar 2002, John Scherer wrote:
> What would be cool is to use a tri-color led and a simple circuit to
> convert voltages.  This way you would get red for one controller,
> Green for the Second, and Yellow for the third controller.
>
> Tricolor LEDs come in two- and three-pin packages. Although the
> three-pin, or common-cathode, package easily lends itself to 2-bit
> control, wiring three crowded pins can be mechanically difficult.
> Also, fewer manufacturers produce the three-pin types. The two-pin
> package is easier to connect to a wiring harness and is readily
> available. However, this package requires more control overhead,
> because, to light the LED yellow, the device must continuously
> alternate between red and green.
>
> For this application however I thing the three lead version might me
> simpler.

Now this sounds cool.  :)

Anyone feel like making a circuit that would drive one of these suckers?

-- 
Nate Carlson <natecars at real-time.com>   | Phone : (952)943-8700
http://www.real-time.com                | Fax   : (952)943-8500