One of the really nice features of modern-day remote-control radios is the fact that they can send signals to an RC multirotor to control it. Plus, they can receive signals back from the same aircraft, allowing us to monitor important information about that aircraft. This feature is what we refer to as telemetry. We can use this to monitor information from a variety of sensors that we install on our aircraft. This allows the pilot to keep track of the aircraft, monitor external things around the quad, and have real-time information on key components of the multirotor, such as battery levels. Let’s take a look at some of the functions that can use telemetry to help adapt the multirotor to fit our needs.
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