Tag Archives: multiplexer

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

Posted in arduino/wiring, circuits | Tagged , , , , | Leave a comment

CD4067 Multiplexer used to control LEDs

This tutorial will show how to control multiple LED outputs from a microcontroller using a CD4067  analog multiplexer. This is a stub. More explanation will follow, but for now, here are schematics and code for Arduino. Parts you’ll need: CD4067B … Continue reading

Posted in arduino/wiring, circuits | Tagged , | 1 Comment