Adding a Timed Button to a Project

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Contributors: Sarah Al-Mutlaq
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Introduction

Finished SparkFun timed power button

In this tutorial you will learn how to add an on button that will provide power to your project for an amount of time and then turn off again. We will be using a Solid State Relay (SSR) to deal with AC (alternating current) voltages like what you would see coming out of your wall at your house.

PLEASE DON'T HURT YOURSELF! When dealing with high voltages, and high currents, please be extra careful and take any and all precautions.

Required Materials

If you would like to follow along with this tutorial, you will need the following:

Suggested Readings

Before getting started, you may find some of the concepts below helpful.