Lonten 10PCS MAX7219 Dot led module Matrix Mode MCU LED Display Control Mod

1. The mode left as an input port to the output port on the right
2. The control of a single mode, simply input port to the CPU
3. Mtiple modes cascade input termination CPU, 2 output termination mode, a mode
of the input of the input terminal, the output terminal of the first two modes of
the first three modes, and so on ...

Minimum Order: 1 pieces

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