I used two pieces of 164 to light 8*8LED, dynamic scanning, the bright part of the light, the light should not be bright, please ask the teacher is the circuit problem or program problems? Because how to solve? Thank you
The closing show in each scan before end frame program to scan the next frame to a scanning picture, also is in the implementation of every picture must first perform a show off (an instruction can) to point out on a screen, so as not to there is a shadow.
Is a procedural problem, this phenomenon is commonly known as ghosting,
Lattice drive is generally used 595, better than 164.
