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MAX7219 4 in 1 Display Lattice Module for Arduino
Features:
.100% brand new and high quality.
.Made of superior material, durable to use
.With 64 fixing screw holes
.Module with input and output interfaces, support for cascading multiple modules
.A single module can drive a 8x8 dot matrix common cathode
.The right is the output port, and the left side of the module is the input port
.Suitable for arduino