We’ve seen no shortage of projects that use the ESP8266 or ESP32 to add “smart” features to existing home appliances, often by pairing the microcontroller with a radio or IR transmitter.

RF Processing Evolution In a receiver Analogue-to-Digital ... to alleviate distortion in the transmitter path of a wireless communication system. By using artificial neural networks (ANN), it is ...

As suggested by its name, the transmitter transmits binary data ... "A comparative analysis for RF communication, Hybrid (RF+ ...

He connected the data pin from his RF receiver to an audio plug and inserted it in the line-in jack of his computer. Using Audacity he recorded the signal as he pressed buttons on the transmitter.