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Building a USB-driven variable resistor

By martinm, in DIY and Electronics, january 08,2016.

From time to time, people ask us if our roadmap would not include a digital USB potentiometer. The answer is no, because such product would probably be too limited to be useful. However, we can tell you how to build your own digital variable resistance, using just a few relays and resistors.

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Coke + Mentos + Yoctopuce = Fun

By seb, in DIY, november 19,2015.

This week, we decided to write a more entertaining post. It's an experiment to be done with children: adding a few Mentos candies into a Coke bottle to literally create a Coke geyser. The difficulty in this experiment is that the reaction happens so fast that one often finds oneself drenched with Coke. We decided to create a device allowing us to trigger this reaction from afar.

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A USB food dispenser

By martinm, in DIY, october 23,2015.

Not long ago, someone asked us whether it was possible to automate a dry food dispenser with Yoctopuce modules, the idea being to transform it into a food dispenser for a pet. The answer is obviously yes. There are even several solutions. There is one in particular which is based on a smart use of a Yocto-LatchedRelay which we wanted to show you for a while...

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Scanning bar codes

By martinm, in DIY, october 02,2015.

At Yoctopuce, we take a picture of each package before we entrust it to the postal services, in case it gets lost during shipment. Up to now, we did this manually by chucking the package on a simple desktop scanner and we saved the file somewhere. But we got tired on this repetitive and completely uninteresting task. So we decided to automate the process...

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PIR: a USB motion sensor

By martinm, in Measures and DIY, august 14,2015.

From time to time, we are asked whether Yoctopuce would be interested in building a USB motion sensor based on a PIR sensor. Let's kill the suspense right away: the answer is no, not at the present time. However, we can show you how to build one for a little bit more than the price of a Yocto-Serial.

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Yoctopuce, get your stuff connected.