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Cryoscope Lets You Feel the Temperature Outside from the Comfort of Your Home

by Shane McGlaun

If you read Technabob very much, you know how we feel about DIY gadgetry around here. If you have a cool DIY project that uses in Arduino controller, you’re probably going to catch our eye. I know Robb Godshaw has certainly caught my attention with his cool invention. The Cryoscope is one DIY gadget that could certainly fill a need in my house.

Namely, it would keep me from the daily morning conversation with my seven-year-old about the weather outside. She rolls out of bed each morning and comes in my office and wants to know how hot or cold it is outside. Her little brain doesn’t work in absolutes, so telling her it’s going to be 65° out means nothing to her. She’s also got a lot that fiery Italian in her thanks to her mom, so she gets pretty upset if I tell her she needs long sleeves and a jacket in the morning, and then she gets hot on the playground.

What she needs is this Cryoscope gadget, which lets you feel what the temperature outside is like without leaving the house. An LED glows to give you an indication at a glance if it’s hot or cold outside. The current build actually lets you feel what tomorrow’s temperature will be like, but there’s no reason it couldn’t be used for current weather too.

To build the Cryoscope, Godshaw took a Peltier element and placed it on top of a heat sink with a cooling fan, and a RGB LED on the bottom. The system gets its temperature information from a web-based application, relaying it to an Arduino controller. The controller and the Peltier element then heat or cool an aluminum cover to the appropriate temperature, with a range of 0 to 100°F. Then you simply lay a hand on it and know exactly what it will feel like when you go outside tomorrow. It even compensates the temperature to account for wind chill, humidity and the properties of the aluminum cube itself.

I wonder how hard it would be to build one of these for myself.

[via CNET]

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