MAX7219 Dot Led Matrix Module

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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Weight 20 g
Dimensions 3.6 × 3.6 × 6 cm
Input Voltage (V)


Max. Operating Current (mA)


LED Color



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