Comparison of temperature sensors

By mvuilleu, in Measures, february 08,2013.

We often receive questions on the characteristics of our temperature sensors: their sampling rate, their accuracy, their adequacy for a particular scenario. We are going to give you a few hints to identify the sensor best suited for your needs.

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Using the Raspberry Pi as home automation gateway

By mvuilleu, in Internet of Things and Tiny PC, february 01,2013.

Following last week's article, here is a small real-world application using HTTP callbacks to drive Yoctopuce modules through a NAT filter. We will use here a Raspberry Pi because it's cheap and we don't need too much out of it: only to run a VirtualHub to generate periodic callbacks.

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Driving Yoctopuce modules through a NAT filter

By mvuilleu, in Programming, january 25,2013.

When you install a home automation system at home, a common problem is to control it from outside. Indeed, network connection through a DSL router usually protects the home network through an address translation mechanism (NAT). This renders local machines invisible from the outside. Today, we present a solution to work around this issue without lowering the security of your private network. A practical example in home automation will follow in the post of next week.

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How to measure wind? (part 2)

By martinm, in DIY, january 18,2013.

Last week, we built an anemometer allowing you to measure wind speed by USB. This week, we describe the complementary tool: a wind vane allowing you to know the wind direction. With USB reading of course, otherwise it's not fun.

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How to measure wind? (part 1)

By martinm, in DIY, january 11,2013.

Yocto-Meteo owners regularly ask us if Yoctopuce intends to put on the market a sensor to measure wind speed. The problem is that an anemometer contains more mechanics than electronics. We looked at some models available on the market. We concluded that the cheap anemometers were too difficult to hack and that the models designed to be interfaced were way too expensive. We are therefore going to tell you how to create your own anemometer using a Yocto-Knob.

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