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.
This week, we are going to clarify the use of two methods of our API: YAPI.RegisterHub() and YAPI.PreregisterHub(). These two functions enable you to adapt the library behavior to your needs, more particularly managing network disconnection when you use a YoctoHub or a VirtualHub.
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!
This week, we are going to do a small and amusing DIY: we will build a speedometer for a hamster wheel.
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