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Erik Malund
02/15/12 14:16
Read: 342 times
Mt Airy, Nc

#186001 - Impossible if dynamic
Responding to: Josť A. Ruiz's previous message
The scroll rate in this particular case is hardcoded to the same value as the refresh rate (1 pixel scrolled per display refresh period).

to continue this conversation without confusion:
if LEDs are lit by selection a row and a column (e.g. each LED lit 1/8 of the time) this is a dynamic driven display
if every LED has it's own driver, this is a static driven display

if this is a dynamic driven display the refresh rate must be a minimum 120Hz.


List of 9 messages in thread
Arbitrary-rate scroll in LED matrix display      Josť A. Ruiz      02/15/12 07:47      
   'matrix' is the killer      Erik Malund      02/15/12 10:19      
      Display is dynamic driven      Josť A. Ruiz      02/15/12 19:02      
         Artifact confirmed to be software bug      Josť A. Ruiz      02/16/12 01:06      
   anyhow,      Erik Malund      02/15/12 10:35      
   Impossible if dynamic      Erik Malund      02/15/12 14:16      
      Minimum refresh rate      Josť A. Ruiz      02/16/12 00:13      
         120 Hz      Michael Karas      02/16/12 06:44      
            Direction of view      Per Westermark      02/16/12 07:07      

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