What are infrared signals?

Remote controls such as those used for your TV, DVD/Blu-ray or Cable box use infrared transmitters and receivers. The transmitter is basically nothing more than a flashlight that emits a light beam at a frequency that is lower than the human eye can detect.

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Top IoT Cellular Networks
Image by methodshop from Pixabay

Top IoT Cellular Networks

What is cellular IoT? It’s a way of connecting physical things (like sensors) to the internet using basically the same stuff behind your smartphone. Instead of needing to create a…

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