After last week's post on how to query an SPI sensor by explicitly managing SPI communications using the Yoctopuce library, we are now going to show how the Yocto-SPI can make your life even easier, and above all simplify the code of the application.
Thanks to the new Yocto-I2C one can basically interface any I2C device, but one can also simply use it to test any I2C device. This week we decided to use this possibility to play with Amphenol's DLHR pressure sensors.
We recently showed you how Yoctopuce serial interfaces could make computations on the values read in order to present them directly in a form that the user can use. Today, we show you a similar feature which is also present on some of our analog electrical sensors.
The Yocto-SPI documentation contains an example to interface the AlphaSense OPC-N2 particle counter. Since then, Alphasense has released a new model, the OPC-N3, and the commands to query it are slightly different. This week, by popular request, we explain how to make the OPC-N3 work with a Yocto-SPI and we take this opportunity to introduce a small innovation.
There are probably not many measuring devices based on a physical phenomenon as unstable as barometric altimeters. And yet, they are still widely used, for want of anything better. Technological progress even makes it possible to go even further in the accuracy of this technique, which seems to defy common sense. Welcome to the Yocto-Altimeter-V2!
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