MAX7219X4

Features

• (4) 7 Segment displays
• 32 digits
• Can display decimal, hex values
• Each display has 8 of 7 segment LED displays
• "Blue" card
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• 3.3V operation
  • 3.3V to 5V Level shifter
  • Requires 3.3V and 5V power supplies

Programming

• MAX7219X4 Arduino GitHub repository
  • Uses Arduino LedControl library
  • Arduino UNO pin 12 is connected to the DataIn
  • Arduino UNO pin 11 is connected to the CLK
  • Arduino UNO pin 10 is connected to LOAD

Test

Mechanicals