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How to measure the state of many buttons

By mvuilleu, in Measures, september 21,2020.

If you have already tried to build a control panel interfaced by USB with many ON/OFF buttons, you know that it's not as simple as it may seem. Not only the multiplication of buttons makes the wiring process quickly complex, but if you are limited to 5 or 8 inputs per module, the number of interface modules that you must use increases rapidly. A way to improve these two issues consists in multiplexing several buttons on a single analog interface, and this is what we are going to show you today.

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Measuring time-encoded signals

By mvuilleu, in Measures, august 07,2020.

While we were making improvements to the Yocto-PWM-Rx for our previous post, we noticed that this device has considerably changed since its conception in order to cover more use cases than the once planned initially. To help you navigate into all these possibilities, we summarize in this post the different working modes.

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Using a Yocto-Watt as energy meter

By mvuilleu, in Measures and New stuff, july 24,2020.

The Yocto-Watt is a small module which is very convenient to measure by USB the voltage, the current, and the instantaneous real power of an electric circuit. As it is also able to integrate the power to compute the total energy for a given lapse of time, some users also employ it to measure the energy that a system consumes, and we have recently improved this feature.

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Infrared temperature measure: myth and reality

By mvuilleu, in Measures, april 30,2020.

As several countries are starting to alleviate the containment rules, we are receiving many requests concerning our infrared temperature sensor, the Yocto-Temperature-IR. Indeed, the possibility to quickly and without contact detect people who may be sick seems interesting. But is it as easy as it seems?

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Inclinometer tests

By mvuilleu, in Measures and Reviews, february 14,2020.

For some applications, the Yocto-3D and the Yocto-3D-V2 can be used as inclinometers, as they can estimate their spatial orientation. But you may have noticed that we don't provide any accuracy information on the inclination measure in the specifications. To know more, we are going to compare these two modules today with the Murata SCL3300 precision inclinometer that we interfaced last week with a Yocto-SPI.

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Yoctopuce, get your stuff connected.