Today we present an application for the Yocto-RS485-V2, for which we provided assistance to one of our customers. The aim is to collect data measured by a Gill WindSonic ultrasonic wind sensor, and extract key values in accordance with World Meteorological Organization (WMO) standards.
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We've written a number of posts on Home Assistant, but for the most part they've been about retrieving measured values out of our modules. This week we experiment with Home Assistant integrations and how to use the Python library in an integration.
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This week, we continue our series on the search for the ideal battery to power Yoctopuce modules, especially when driven by a YoctoHub which can go into sleep mode. This is important, because standard USB batteries have the unfortunate habit of shutting down completely as soon as the hub goes to sleep. After the success of variant (C) of the Waveshare Solar Power Manager battery and the fiasco of variant (B), we decided to test variant (D), just to be sure.
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Almost ten years ago, we showed you how to combat humidity in a room using humidity-controlled ventilation. The system described had just then been installed in a cellar, where it worked efficiently until very recently. Unfortunately, the discovery of mold alerted us to a problem, and a quick check revealed that the system had broken down: the fan controlling the air intake had died.
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Many of our customers use our Python programming library for their projects. This language is very easy to learn, and can be used on all 3 major operating systems. However, distributing an application is a little more complicated, as you need to distribute not only the Python code for the application, but also the dependencies and the virtual machine. Fortunately, there's an open source utility called PyInstaller, which allows you to package everything in an executable. However, to use it with our library, you need to provide it with some additional information.
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