Max7219 LED Dot Matrix Digital LED Display Module - How Many To Connect To One Arduino Uno Board

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In this video we show you how many Max7219 LED Dot Matrix Digital LED Display Modules can be connected to one Arduino Uno Board.
A single module can drive a 8x8 dot matrix common cathode Operating Voltage: 5V
Dimensions: 12.8X12.8X1.3cm Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules Quality:1Set
The left side of the module to the input port, the right to an output port When the control of a single module, simply input port connected to CPU When a plurality of cascaded modules, input and output termination CPU, an input terminal of the second output end of the first module a module, the first two modules of the input terminal of the three termination modules, and so on... 51 microc