Switching a relay via an SMS

By Sébastien Rinsoz, in Programming and Android, september 24,2013.

We have been recently asked whether we had a solution to communicate with our modules using SMS. We have a long term plan for a GSM version of our YoctoHub, but for now we focus on the YoctoHub-Wifi and other new modules. However, using an Android phone and with some programming, it is quite possible to communicate with a Yoctopuce module via SMS. A classic use is to remotely turn on and off the heating of your vacation home.

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New product: The Yocto-Maxi-IO

By mvuilleu, in New stuff, september 19,2013.

Until now, we did not have much to offer to interface a PC with an external system using digital I/O lines. This gap is now filled by the new Yocto-Maxi-IO, that we will present today. Unlike a simple GPIO, the Yocto-Maxi-IO is an isolated interface, that can be used to safely connect without additional electronics up to 8 bidirectional digital lines, at the voltage of your choice.

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How to measure a NTC thermistor via USB

By mvuilleu, in Measures, september 15,2013.

Yoctopuce provide three different methods to measure temperature, but there are even more techniques. Thermistors are another option: they are a family of electrical conductors whose resistance varies in a deterministic way based on their temperature, and that can therefore be used to measure temperature. So can we get anything out of them, for instance using a Yocto-Knob?

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How to use USB devices from Qt framework

By Sébastien Rinsoz, in Programming, september 06,2013.

A customer noticed a few days ago that our C++ library was not compiling under Qt / MinGW under Windows (although OSX and Linux were OK). We have published a fix on GitHub, but we realized that we never talked about Qt on our site. Never too late... Qt is a cross-platform graphical programming framework, that can build binaries for multiple OS. We will demonstrate that with a small program that opens a window to list connected Yoctopuce modules. Thanks to the Qt framework, the exact same project will be usable for Windows, Linux and Mac OS X.

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How to turn on a computer remotely

By mvuilleu, in Internet of Things, august 29,2013.

Tablets and other small media players, that enable you to view DivX movies comfortably sprawled on your couch, have relegated to the closet wholesale Media Centers that hummed loudly in the living room. If this new solution is more elegant and less noisy, it doesn't solve all the issues: you must still have somewhere a real machine storing your movie library. Either it is always on, which is not very rational, or you must turn it on and off before and after, which does kill the magic. So, how do we power a computer remotely from the couch?

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Yoctopuce, get your stuff connected.