How we could work with multiple MAX7219 LED 8×8 matrices connected in a chain, light up some LEDs, and use a memory buffer to save the current state of the LEDs.
In our previous tutorial, we discussed how to create an interface between the ATtiny85 microcontroller and MAX7219 controller and connect a single 8×8 LED matrix.
The tutorial
We wrote a short tutorial about how to connect ATtiny85 to multiple MAX7219 modules.
Continue reading the MAX7219 ATtiny85 tutorial here.
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