Search found 18 matches

by Loki
Sat Aug 05, 2017 11:20 am
Forum: Dot Matrix Display
Topic: Arduino MEGA 2560
Replies: 16
Views: 9853

Re: Arduino MEGA 2560

draw numbers to fixed positions and edit font that will have all numbers with same width (included non visible parts)
by Loki
Mon Mar 06, 2017 8:09 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

it has some SPI functionality, but if you use part of hw SPI for dmd it will be useless for anything else
by Loki
Mon Mar 06, 2017 4:21 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

Now i understand, i checked my wirings and it is not connected anywhere.
by Loki
Sun Mar 05, 2017 8:26 am
Forum: Dot Matrix Display
Topic: DMD Spotify Visualiser
Replies: 2
Views: 1311

Re: DMD Spotify Visualiser

There is always a way, but you must programm it
by Loki
Fri Mar 03, 2017 4:01 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

On MEGA it is pin 53 (SPI SS) and on arduino uno ot os on pin D10 , dont know what arduino are you using why to change pinout? to use MEGA, i make my own DMDCON on custom PCD for mega to have correct SPI pins. Hi Loki, It is not a problem for me to use the same pins like yours, I just tried to use a...
by Loki
Thu Mar 02, 2017 5:11 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

why to change pinout? to use MEGA, i make my own DMDCON on custom PCD for mega to have correct SPI pins.
by Loki
Tue Feb 28, 2017 3:40 pm
Forum: Dot Matrix Display
Topic: dmd daisi chaining
Replies: 7
Views: 1971

Re: dmd daisi chaining

with arduino MEGA i have tested 7 - 10 without any problem on DMD (DMD2 is liitle slower in scrolling)
by Loki
Tue Feb 21, 2017 9:20 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

Hi Loki, Could you tell me how to do that... thanks in advance Papbo Hi in attachemnt is updated DMD.cpp + DMD.h with birghtness and split step marquee as seen in my video, use Timer1.initialize( 5100 ); it works for me withou resistor on MEGA and UNO.just copy it onto %USERPROFILE%\My documents\Ar...
by Loki
Sun Feb 19, 2017 9:51 pm
Forum: Dot Matrix Display
Topic: DMD Brightness control
Replies: 34
Views: 15539

Re: DMD Brightness control

Hi stryker, Thanks a lot for the answer, I will use an arduino méga for the main program and one nano to the second display. By the way is there a new DMD2.lib or an enhancement of the scrolling text. With the DMD2.lib, scrolling is not very nice compare to the DMD.lib features. Regards Papbo you c...