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4 Ways to Control Electronic Relays

By John M. Wargo

John M. Wargo

John M. Wargo is a professional software developer and author. For his day job, he’s a Principal Analyst for Forrester Research. He’s a software guy more than a hardware guy, but he loves working with both. He wrote the first book on BlackBerry development and has published 4 books on Apache Cordova (also known as Adobe PhoneGap). You can find him online at www.johnwargo.com and on Twitter at @johnwargo.

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There are plenty of ways to use relays, and each method can achieve several different results. Check out this step by step guide to figure out what you need.

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