Among the requests that we received in the past few weeks, one caught our attention more particularly: how to interface a Wiegand RFID badge reader via USB, using Yoctopuce modules. It's interesting because Wiegand readers are widely spread in access control systems, and they are readily and quite cheaply available on the net. The good news is that we now have a solution, using a simple Yocto-Serial.
This week, we go on with our "for the beginners" post series and we are going to talk about PHP. PHP scripts are easy to use and to deploy. We are going to see that's it's also easy to interface Yoctopuce modules from a PHP script.
We sometimes have customers who ask us whether we have some ideas on how to check that a display supposed to show videos is actually on and works correctly. It so happens that yes, we have a few ideas :-)
You may have noticed that we very recently replaced in our shop the Yocto-Maxi-IO with the Yocto-Maxi-IO-V2. The two versions of the module look like two peas in a pod. A more compact variant of the module is also now available: the Yocto-IO. Let's have a look at what changes with version 2 and at the capabilities of the miniature version.
Some weeks ago, we published an update of our libraries which reduces the quantity of transferred data between the Yoctopuce modules and the API. However, this optimization wasn't available for HTTP callbacks. This week, we publish a new PHP library which enables you to take advantage of a similar improvement for HTTP callbacks.
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