Tag Archives: row-column scanning

Controlling Lots of Outputs from a Microcontroller

Making LED displays is fun. There are a a few tools that get used all the time, from row-column scanning to LED driver chips to multplexers and shift registers. This tutorial discusses some of the more popular methods for controlling … Continue reading

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Tilty ball: Controlling 64 LEDs and a 2-axis accelerometer

This example shows how to control 64 LEDs and read the input from two axes of an accelerometer on an Arduino.  The Arduino used here is a Duemilanove, but it will work on any of the models out there prior … Continue reading

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