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/diy/ - Do It Yourself

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>> No.1431001 [View]
File: 120 KB, 800x800, 5PCS-10bar-LED-Display-Bargraph-Module-10Segment-Tube-10-Bar-graph-LED-Display-Multicolor-RED-White.jpg [View same] [iqdb] [saucenao] [google]
1431001

What is the easiest way to drive something like pic related (10 leds in a bar-graph pattern) to show progress using an arduino using a minimal amount of pins? I was thinking using an MCP23017 IO-expander and just toggling each led directly, but is there a "smarter" way?

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