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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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Connect your sensors to the cloud

By mvuilleu, in Measures, december 18,2012.

The #1 application for most USB sensors is certainly to record the measures and draw them in a graph. We have already provided examples in previous blog posts on how to draw measure graphs in several programming languages, but so far you always had make a program of some kind to do this. Today, we show you how to leverage a public cloud-style service named Cosm (www.COSM.com) to graph your sensors without writing a single line of code. You will just need to download the latest and greatest version of our VirtualHub, and configure it to upload data to www.cosm.com. Follow the guide...

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An USB optical telemeter

By mvuilleu, in Measures, november 11,2012.

While surfing on the Internet, we found a nice little sensor: an optical rangefinder built by Sharp. Robotic specialists know it well, it's the most well known sensor to detect obstacles. In our selection of products, we currently don't offer a rangefinder sensor (telemeter). As an example, we are going to show you today how you could interface analog sensors of this type thanks to a Yoctopuce module.


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Cook and Hold with Raspberry Pi (video)

By Sébastien Rinsoz, in Measures and Tiny PC, october 01,2012.

When we geek try to cook a nice chunk of meat, the tricky part is the cooking itself. Instead of sitting idle while the meat cooks, we go read something on the iPad, code some stuff or even to talk with the guests rather than watching a meat in the oven. And at the end, the meat is often overcooked. But this is gonna change. Our new recipe, using a Yocto-Thermocouple and Raspberry Pi, solves the issue. The Raspberry Pi will monitor the meat temperature for us, and send an e-mail as soon as the ideal temperature is reached. And long life to the smartphones !

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About sensor calibration

By mvuilleu, in Measures, august 31,2012.

All of our USB sensor modules perform their measurement with the help of digital sensor chips, which are factory calibrated. It's our recipe to guaranty the announced precision of our modules, even when the sensors are moved away. However, we have recently introduced in all our sensor modules an additional adjustment function, allowing your to perform a correction to the measures on the fly. So, what's the need to correct a measure if it is already good? Doesn't this recalibration risk to reduce the measure precision rather than to enhance it?

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Yoctopuce, get your stuff connected.