Led Matrix Schaltplan. Now lets see in detail how it works. We will learn how to display still characters in a standard 5 7 pixel format.
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Row 2 col 8 and row 2 col 9 are not used. 9 columns by 3 rows. 4 2 out of 5 stars 26.
Row 2 col 8 and row 2 col 9 are not used.
This way you can save a lot of pins on the arduino and keep your program quite simple. This way you can save a lot of pins on the arduino and keep your program quite simple. 9 columns by 3 rows. The 7 rows and 5 columns are controlled through the microcontroller pins.
