Arduino Output Devices

Motors, LEDs, SD Cards, Relays and More

This classification covers just about anything your Arduino controls to provide an output to the world. Displays are technically included, but they have their own dedicated section.

I've experimented with each of the devices listed below, and each article contains enough information to get you started with using them in your own projects.

Simple DC Motor Control

Making things move with an Arduino is part of the fun. This tutorial lets you power your first motor using a transistor.

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Controlling DC Motor Speed

Once you can make a motor spin, the next step is controlling its speed. Learn how to use Pulse Width Modulation (PWM) with Arduino.

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LC Studio SD Card Tutorial

This little module works great. Includes hookups and an introduction to reading and writing data to an SD card with your Arduino.

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5V 4-Channel Relay Module

This common module makes it easy to control devices that operate at higher currents or different voltages (like AC lights or mains-powered devices) using your Arduino.

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