Search found 10 matches

by Kolki
Thu Nov 09, 2017 2:06 pm
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Sorry Andrew,
As you expected the new download did change anything,in the meantime i have ordered a new set off display's so i can do a good test on my wyring
to see if there is a problem somewhere,
Thanks for your help and i stay in tutch.
Regards
Albert
by Kolki
Sun Oct 29, 2017 10:02 am
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Thanks,have a nice sunday.
by Kolki
Sat Oct 28, 2017 11:46 am
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Sorry , I mean the indexes from 32 to 96. It display's everything at the right position. From index 1 to 32 it display's nothing. From 32 to 96 is 64 positions, with is 8 times Max7219, with is the standard number of chips,if I read the manual rigfht, It looks like the buffersize is not expanding to...
by Kolki
Fri Oct 27, 2017 1:13 pm
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Andrew,
Thanks for the reply,I understand now how it works from left to right.
I have one last question, wh is it not adressing the first 32 positions in the chain.

Regards.
Albert
by Kolki
Thu Oct 26, 2017 11:44 am
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Andrew, I tested the first chip in the chain and yes the display say HELLO !!. And like I said I can adres all the 12 chips with the test command,only the funny thing is that it start with the last chip in the chain. The same with the Print7Seg command it start with number 98 with is the first displ...
by Kolki
Tue Oct 24, 2017 10:09 am
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

I will check,thanks for the reply.
Albert
by Kolki
Mon Oct 23, 2017 3:40 pm
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Andrew, I have rewired my project but still facing a problem,I will try to explain in my best englisch. I have 12 max7219 chips with is 96 positions for a character. I have changed the number in HCMAX 7219.h in 12 I can adres the characters from number 32 to 96 with is 8 chips perfect. I can run the...
by Kolki
Wed Oct 11, 2017 2:39 pm
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Andrew,
Sorry to bother you again but i have one more question.
Is it possible to change the pin numbers fot DIN CLK LOAD as my project is completely wired .
My pinnumbers are DIN 22, LOAD 24 CLK 26.
It will be a great help if it is possible.
Thanks in advange.
Best regards Albert
by Kolki
Wed Oct 11, 2017 9:18 am
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

Thanks Andrew,

I will carry on with my project, and maby come back with some other questions.

Regards Albert
by Kolki
Tue Oct 10, 2017 12:31 pm
Forum: Arduino
Topic: HCMAX7219 - LED driver library
Replies: 49
Views: 52775

Re: HCMAX7219 - LED driver library

How many HCMAX7219 can the LED driver library handle?
I have 12 8x7segment display"s to handle.
The Arduino Led control library can only handle 8 display's on 1 instance.