John M. Wargo, Author at Make: DIY Projects and Ideas for Makers

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.

4 Ways to Control Electronic Relays

03/19/2018

There are plenty of ways to use relays, and each method can achieve several different results. Check out this step...

Solder Together a Fairy Lights Mason Jar

06/01/2017

Brighten your 4th of July festivities with mason jars of sequentially fading strands of red, white, and blue LEDs. Mix...

Collect and Display Weather Data with a Raspberry Pi

11/02/2016

For years I’ve wanted to set up a weather station in my backyard, but I’ve balked at the cost of...

Get a Flashing Meeting Reminder with a Raspberry Pi

06/14/2016

If your google calendar reminders aren't enough to get you to your meetings on times, then maybe flashing lights will.

Arduino-Powered Pinewood Derby Race Car

03/28/2015

John: My son is in Cub Scouts, and for years we’ve been building Pinewood Derby cars. It’s always … interesting...