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how to position temperature sensors

The positioning of the sensors is quite sensitive and you have to start with simple things. On the graph, the red curve represents the temperature near the window: when the sun shines (watch the radiation captured by the pyranometer, in yellow), the temperature rises quickly and during the night, the...

Using openweathermap.org and Themis

You have downloaded the themis image, but don’t have any wired or wireless temperature sensor. No problem ! We’ll use openweathermap and nodeRED, which is preinstalled on the themis image. openweathermap provides current weather all over the world through a network of weather stations. Thanks to its API, it...

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