Some time ago, we did an experiment that might interest you. Its goal was to check the behavior of the YoctoHub-GSM-3G-EU when it switches from one provider to another one in roaming. We therefore needed a moving YoctoHub-GSM, so we created an autonomous GPS tracking beacon that communicates by GSM.
When you design an application for the Internet of Things based on cellular communications, the price of the communications can represent an important part of the total costs. As the market is expanding, there are new subscription packages dedicated to these applications, with varying conditions depending on the provider. Are all the offers equivalent? Is quality in direct relationship to the price? This is what came out of our first investigations...
In our "Yoctopuce for beginners" series, we recently described how to use the VirtualHub to configure Yoctopuce modules. But, actually, the VirtualHub does not simply provide a graphical interface to test and configure Yoctopuce modules, it can do much more. This week, we invite you to discover other facets of this rather magical tool.
When we announced the Yocto-Color-V2, we explained that this new version can drive up to 146 NeoPixel leds. However, to use this new feature, you must use a new API that we are going to discover in this post.
We have just added a new feature to the YoctoHub-GSM. If you update your firmware, you will be able to use it to send and receive SMS. This is might not look very useful to access a Yoctopuce sensor, but it opens the door to new use-cases for the YoctoHub-GSM itself. For instance, you can now implement two factor authentication.
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