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MAX7219 Microcontroller 4-in-1 Display Dot Matrix Module

₱270.00 PHP
₱270.00 PHP
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MAX7219 Microcontroller 4-in-1 Display Dot Matrix Module

This MAX7219 Microcontroller 4-in-1 Display Dot Matrix Module is an integrated serial input/output common-cathode display driver, it connects the microprocessor 7-segment digital LED display with 8 digits, you can also connect a bar graph display or 64 independent LED. Thereon including a B-type BCD encoder chip, multi-channel scanning loop segment word driver, but also a static RAM 8 x 8 for storing each data. Only one external register is used to set the segment current of each LED.


  • A single module can drive a 8x8 dot matrix common cathode
  • Operating voltage: 5V
  • Dimensions: length 12.8 cm X 3.2 cm wide and 1.4 cm high
  • Fixing screws with 64 holes with a diameter 3mm
  • Module with input and output interfaces
  • Support for cascading multiple modules

Wiring Instructions:

  • 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 microcontrollers,
  • for example:
    • VCC ? 5V
    • GND ? GND
    • DIN ? P2.2
    • CS ? P2.1
    • CLK ? P2.0
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