SitePoint PHP Blog: Home-Made Twitter and Gmail Notifications with PHP and Arduino

On the SitePoint PHP blog Christopher Pitt is back with another tutorial showing you yet another "odd" use of PHP. In this latest post he shows you how to integrate PHP and an Arduino to relay Twitter and Gmail notifications.

I am a little obsessed with Twitter. It’s how I communicate with most of the developers I’m not fortunate to live in the same city as. I’m a little less obsessed with IoT projects, but then it’s harder to find the time to work on them than it is to check Twitter.

Unless I can do both at the same time.

Ever since the IoT week, I’ve been meaning to work on a project that will let me know when someone wants to speak to me. Something that looks cool, and is at the same time non-invasive. This is what I’ve come up with…

He connects the Arduino with a RBG LED and a a proximity sensor to a PHP script that will change the LED color based on the notification type. The sensor would allow some "hand waving" to dismiss the notification as "read". He then starts in on the hardware side of things including some illustrations of the Arduino board and how things connect. With that simple setup in place he moves over to the software side, creating a Notifier service interface and using the "endroid/twitter" package to connect over to Twitter. He then walks through the creation of the Gmail and Twitter applications, grabbing the related OAuth credentials and dropping them into the script’s configuration file. He builds out notifier classes for each service and hooks it into the Arduino with the Firmata and Carica libraries. Finally he hooks it all together with a bit of SPLQueue functionality to loop and listen for new alerts to relay to the Ardunio.

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