I have six ESP-WROOM-32D boards and six NRF24L01 modules. Each ESP-WROOM-32D board is connected to one NRF24L01 module. I want three NRF24L01 modules (which I would call the "Sender" for these three specifically) to send a "Hello" message to the other three NRF24L01 modules (which I would call the "Receiver" for each of these three specifically) simultaneously. If two "Receiver" items are at most 5 centimeters away from each other, they should say "Goodbye" to each other. What is a good starter code for the "Sender" and each "Receiver" in Arduino IDE?

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Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer.