I had written jal program long back using charlieplexing for a 12 led dot mode programmable voltmeter. Its addicting to add lots and lots of leds with just few pins. I've seen seven segment displays being run on cherlieplexing.
Sunish On Thu, Dec 11, 2014 at 3:45 PM, Rob Hamerling <[email protected]> wrote: > > > Hi, > > I'm afraid I have to admit that I got fascinated by 'charlie-plexing' > lately, a method to control many leds with few wires. See for example > http://en.wikipedia.org/wiki/Charlieplexing > A nice example of this is Jimmy Rogers' LoL (Lots of Leds) shield for the > Arduino: a 9x14 matrix of 126 leds controlled by 12 pins. See: > http://jimmieprodgers.com/kits/lolshield/makelolshield/ > For this board I found mostly references to C-libraries and programs. > I thought it would be a challenge to control this board with a PIC and a > program written in Jal. That proved to go better than I had expected! I > started with a smaller setup for 10 and 12 leds, but finally got the 9x14 > matrix under control as well. > You can find results in Jallib (http://code.google.com/p/jallib/) > Look for library 'charlie.jal' and samples for 12f683, 12f1840 and 16f1786. > > Regards, Rob. > > > -- > R. Hamerling, Netherlands --- http://www.robh.nl > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/jallib. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/jallib. For more options, visit https://groups.google.com/d/optout.
