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Preparing the 64 LED RGB matrix
Before we go into detail about how to write software and display something on your panel(s) we'll explain
how to prepare your panel(s) correctly.
Data lines
Before adding power, you need to understand how the WS2812 LEDs are connected to each other. Each LED
acts as a shift register and shifts display data from its input to its output and over to the next LED. That is
how the display data propagates through a panel, from one led to the next. In the VM207, the LEDs are
connected in rows and each row has a returning line so the beginning of the next row can be connected to
the end of the previous row. This feature has the benefit that rows are not "zigzaged" and it is possible to
connect more panels together without having to jump through software hoops to control a bigger panel.
Study the drawing below carefully to understand how these LEDs are wired.
USER MANUAL
K8403
fig. 1
3
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