When I first heard about Blue Maestro's Tempo Bluetooth Smart Thermometer (£29.00, or about US$48), it was shortly after I had a conversation with a new friend about creating such a device. Ron ...

Tempo Bluetooth Smart Thermometer ($47, Bluemaestro.com)The latest edition to the “smart home” movement comes to us from U.K. startup Blue Maestro. This app-enabled temperature sensor c… ...

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