PLOG 02-01: Row/Column Scanning
Did a couple of tests to see if I got the row/column scanning concept right.
The basic idea of the scanning is to address each LED by row/column, and switch between them real quick.
Here are a few pictures of the latest test, taken by my powerful webcam. In this test I made a 4×4 LED matrix (well, I’m missing 2 LEDs), and lit up an ‘X’ .
