RGB LED MAX7219 PIC18F4550

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MAX7219 Application Circuit

     This circuit drives 64 (8x8 Matrix) LEDs. The 7219 is controlled by the PCs parallel port to light up the display.

Components
  • LED (64)
  • MAX 7219 (1)
  • Texas Instruments TL5940
  • 22k Resistor (1)
  • 5V Supply
  • PC with Parallel Port
  • Misc Supplies : Wires, DB25 Male Connector(optional for Parallel Port)
Software
     The software for driving the LEDs written in VC++ 6 is available here.


Output
Circuit Diagram

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Recent Comments

steve
nice pics
raji
hi i think this site would give a commercial product level introduction of TRICOLOR LED and MAX7219 ic
arun
commenting workzz
© 2008 Arun Prabhakar | email: rgb@kitiyo.com