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Row Scan

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Suraj143

Active Member
I have done LED matrix (5X7) using column scan. Its working nicely.

Now I need to do a LED matrix (5X7) using row scan technique.

For the 5 columns I have 5 registers. In row scan do I need to show the upper bit (7th bit) of each registers on the first row?
On the 2nd row do I need to show the 6th of each registers?

Any ideas how to do a row scan?
 
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