MAX7219 7 segment LED driver board

A board to make using a MAX7219 & 7 segment display with Arduino projects easy and cheap!

The board on the top is the 2-sided version. The bottom board is single-sided

Features

• Allows for simple hookup of an LED 7-segment 4 digit display to Arduino
• Requires 3 digital pins and 5V power
• Compact design

Versions

• The single-sided version requires only a single-sided PCB, but jumpers must be used
• The double-sided version requires no jumpers but requires the ability to make dual-sided boards.

Demo Video

• Demo Video

Blog post

• View the associated blog post here

Requirements

Hardware

• Arduino
• MAX7219
• 1-sided or 2-sided copper board
• Resistor (see http://playground.arduino.cc/Main/MAX72XXHardware to choose)
• 10 mF capacitor
• 100 nF ceramic capacitor
• Headers

Schematics

Single-sided:

Double-sided:

See the included Fritzing diagram for details.

Thanks to wayoda.org for the useful guide.

License

MAX7219 Board Schematics by Jeremy Wilson is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.