Hackers Make An Open-Source Nest Thermostat


Sure it’s not made of metal, nor did it convince Google to give its creators billions of dollars, but dammit if this isn’t a cool hack. The folks at, creators of the Spark Core, a unique Wi-Fi development board that allows you to add Wi-Fi controls to Arduino projects, have used their tech to create a Nest-alike with some of the same features as Tony Fadell’s popular wall wart.

The team essentially created a web-connected thermostat by cutting out a nice hunk of wood and some plastic and adding a Spark Core and some control logic. The device can change temperature by scrolling the large wheel on the front and displays the temperature using an LED display. Most of the other logic – including temperature logging and remote control – happens on a remote server. To sense the temperature and humidity they added a Honeywell HumidIcon…

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