What is it?

The Portlet uses an Arduino Pro to control two outlets and takes inputs from two thermocouples. The user interface consists of a screen, 4 input buttons, and of course the reset button. This simple combination becomes an enabler for all sorts of cool projects around the house, and especially in the kitchen where most operations involve an outlet and temperature control.

Why did you make it?

The idea was originally inspired after making yogurt in a crock pot. It occurred to me that a lot of kitchen operations need decent temperature control so I bought an off-the-shelf temperature controller but found it terribly difficult to operate and program, lacking in functionality I wanted (only went up to 150 F!), and it was too expensive. And so, like many silly inventors, I figured "I can build something better than that..."

What makes it special?

Simple to use and covers a wide variety of needs! After playing with using a Photon instead of an Arduino Pro the project easily becomes Wifi enabled. Also tested plugging a Zigbee into the Arduino for a different option of wireless control. This now gives you control over any outlet you desire and from there it is a simple step to take to gain control over all your appliances. You can now use it for making yogurt, brewing beer, taking up sous-vide cooking, putting a safety timer on your soldering iron, ... the list goes on!