Page 1 of 1

Cheap display for LC1

Posted: Wed Aug 16, 2006 11:39 am
by Tommy
A cheap display for the LC1, can be had by getting a volt meter from E-bay.

Image

By using a 60K resistor in R3 posistion the meter displays 0000-1999 with selectable desimalpoint for 0-5volt input.

Program the LC1 to give 0-5 volt output for 0-19.99AFR, or 0-5V for 0-1.999 lambda, and select the apropriate desimal point.

Tommy

Posted: Wed Aug 16, 2006 11:53 am
by 65looter
thanks dude :)

Posted: Mon Aug 21, 2006 8:23 pm
by dbear
Excellent Idea!

Gonna have to try this.

Posted: Tue Aug 22, 2006 2:12 pm
by mops
aparently they update 2-3 times a second, which should be ok.

there are several different models on ebay right now, i'm looking at this 3 digit one (4 digit is 1 digit too much, pointless to waste dashboard real-estate), but it doesnt seem configurable, I'd have to build some circuit (resistor network) to adapt 0-5v from lc1 to 0-20mv that that should be cool. only PITA is that it goes only on 5V...

Posted: Wed Aug 23, 2006 8:33 am
by Malachy
i done this a while ago

http://www.msefi.com/viewtopic.php?p=12 ... ht=#129985

have it working 100%now :)