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Radio Frequency. Typically used to refer to the radio portion of the electromagnetic spectrum which is used for wireless communication. Strictly speaking though, RF can refer to any oscillation (electrical or otherwise) at the associated frequency.

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Setting up 433 MHz Transmitter and Receiver in the same Arduino sketch using Radiohead

I have set up a 433 MHz transmitter and receiver pair on one Arduino Uno board. Using the RCSwitch library, I could successfully send and receive signals. Using the Radiohead library however, I could …
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