Tag Archives: LED

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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CD4099 Addressable Latch Used to Control LEDs

This tutorial will show how to control multiple LED outputs from a microcontroller using a CD4099B  addressable latch. Parts you’ll need: CD4099B addressable latch Arduino microcontroller (Any model will do) 16 LEDs

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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

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STP16C596 Shift Register

This tutorial will show how to control multiple LED outputs from a microcontroller using an STP16C596 shift register. The STP16C596 is similar to the popular 74HC595 shift register, but it’s nicer because it can sink a constant current to the … Continue reading

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