http://forums.leaflabs.com/topic.php?id=10628 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:17:30 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=10628#post-24656 Tue, 16 Apr 2013 22:43:50 +0000 Sh33p 24656@http://forums.leaflabs.com/ <p><a href="http://elm-chan.org/docs/lcd/lcd3v.html" rel="nofollow">http://elm-chan.org/docs/lcd/lcd3v.html</a></p> <p><a href="http://forums.adafruit.com/viewtopic.php?f=47&amp;t=39042" rel="nofollow">http://forums.adafruit.com/viewtopic.php?f=47&amp;t=39042</a></p> <p>It varys by screen but since the Maple Mini can only output 3.3v, you may have to generate a negative voltage somewhere to put into the contrast control pin(VO/Vee) </p>