Search found 3 matches

by astech
Thu Feb 28, 2013 10:56 am
Forum: Dot Matrix Display
Topic: Help with scrolling Text
Replies: 19
Views: 10482

Re: Help with scrolling Text

Hi,
re speed of scrolling.
Find the following section of code and reduce the value 30 to speed up scrolling.

while(!ret){
if ((timer+30) < millis()) {
ret=dmd.stepMarquee(-1,0);
timer=millis();
}
by astech
Sun Dec 09, 2012 11:54 am
Forum: Dot Matrix Display
Topic: 5 Volt high brightness, positive/negative
Replies: 3
Views: 2092

Re: 5 Volt high brightness, positive/negative

Hi quadtiger,
I'm getting ready to use a DMD in a project and was wondering how you went using the 3A supply.
Regards
by astech
Sun Dec 09, 2012 11:49 am
Forum: Dot Matrix Display
Topic: Building an outdoor scoreboard..
Replies: 14
Views: 12675

Re: Building an outdoor scoreboard..

Hi joevpt, Great project using the DMD. I'm planning on developing a cricket score board but need to work out the power needs of the DMD's first. Hoping you can help. What is the working load of your 6 DMD's? Did you buy or build the PSU for your display? I was thinking about using a 20A PSU from an...