[sdiy] logic question

[The Peasant]

Check out the battery status indicator on this page. I believe it does this exactly.


http://www.angelfire.com/electronic/epeasant/projects/battpowr/battpowr.html


Take care,
Doug
______________________
The Electronic Peasant

www.electronicpeasant.com

>i was wondering how one goes about implementing a "if greater than X but
>less than Y" circuit.  i see a lot of circuits that will do X if greater
>than a certain voltage, but say i have three LEDs that i'm feeding voltage,

>and these LEDs go on at 1v, 2v, and 3v respectively.  if i get to 2v, i
>don't want LED1 to still be on, and if i get to 3v, i don't want LEDs 1 and

>2 to still be on.  how do i go about shutting off the first LEDs whent he
>voltage goes higher?
>
>thanks,
>alex
>
>
>
>http://www.geocities.com/aurelialuz/
>
>"wha-na-na-na-na-na-na-na-na-na."
>-j. caletti 
>
>