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4 in 1 Dot Matrix Module (MAX7219)

A single module can drive an 8×8 dot matrix common cathode Operating Voltage: 5V Dimensions: 12.8X12.8X1.3cm Fixing screws with 64 holes with a diameter 3mm.

The MAX7219 Dot Led Matrix Module is a serial input common-cathode driver that interfaces micro-controllers to LED matrices. All common micro-controllers can be connected to this module by using a 4-wire serial interface. Each output can be addressed without refreshing the entire display. This module requires only 3 I/O lines for driving the display, making it ideal for your microcontroller projects. Only one external register is used to set the segment current of each LED.

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