3Pcs MAX7219 Dot Matrix Module MCU LED Control Module Kit Geekcreit for Arduino - products that work with official Arduino boards COD

Compatibility

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Specifications:


Operating voltage: 5V

LED color: Red

With input and output interfaces, supports multiple modules cascade



1. The module left side as an input port and the output port on the right

3. When cascading multiple modules, the input port of the first module connect to the CPU, the output port connect to the input port of the second one, and so on.



VCC → 5V

DIN → P22

CLK → P20



1. VCC and GND is not reversed, it would burn the chip!

3. Please install lattice into the round hole first, and then insert the round hole to PCB board and weld. Face the side of lattice with words, from left to right pin order is 123456. PCB board 1st pin is square pad!

Package included:


3 x Dupont line (5P-20cm)