Wireless switch using arduino and a mac circuit

Posted on Feb 7, 2014

Ability to control lights and fans wirelessly has long moved from being an expensive proposition to having commonplace solutions neatly packaged and available for consumers. Even then, coming up with your own custom solution is a lot of fun for hobbyists and tinkerers.

Wireless switch using arduino and a mac circuit
Click here to download the full size of the above Circuit.

RobotGrrl has provided a couple of easy to use libraries (frameworks for MAC lingo) to address the above issue and has provided some great tutorials at Apps for arduino. The source code is also freely available at github (search Matatino/Wijourno). The Matatino framework provides a simple library for connecting to the serial port, while Wijourno utilizes WIFI and Apple’s Bonjour Service (I think!). For this experiment, I wanted to go wireless! Have a simple application that I can use from my MAC to control a power switch! Since I has previously invested in a Bluetooth module, I decided to use the Matatino framework to connect to my arduino over the air. For the power switch, I used a solid state relay kit , but a simple SPDT Relay available from Radio Shacks works as well.

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