MAX7219 8x8 Dot Matrix Display Module

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The MAX7219 is a serial input / output common-cathode display driver that is attached to a microprocessor and has an 8-digit 7-segment digital LED display that may also be connected to a bar graph display or 64 independent LEDs. To store each data, an On B BCD encoder with an on-chip, multi-channel scanning loop word drive and an 8 x 8 static RAM is employed. To set the current of each LED section, just one external register is used. All general-purpose microprocessors may be connected using a simple four-wire serial interface. Each data may be handled in the update, which eliminates the need to redo the entire display. MAX7219 additionally allows the user to choose whether to code or not code each data point.
The complete gadget has a 150A low-power shutdown mode and analogue output.


  • The MAX7219 is serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.
  • Max7219 have on-chip BCD code-Binary decoder, multiplex scan circuitry, segment and digit drivers and an 8x8 static RAM that stores each digit. Only one external resistor is required to set the segment current for all LEDs.
  • Modules | Outdoor Displays | Poster Displays | Pixel Gaming | Character Design | MAX7219 8x8 Dot Matrix Module.


 Driver chip MAX7219
Operating supply voltage 4-5.5 V
Supply current 330 mA
PCB Dimensions(LengthxWidth) 50x32 mm 
Display Dimensions(LengthxWidth) 32x32 mm 
Country of Origin China

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