Arduino wireless communication

void loop()
{
  // Create a 32 byte char buffer
  uint8_t receive_buffer[32];
  uint8_t buflen = sizeof(receive_buffer);
 
  // If data is available, print it
  if (radio.recv(receive_buffer, &buflen))
  {
    Serial.print("Message: ");
    Serial.println((char*)receive_buffer);         
  }
}

Source: digikey.com

Arduino wireless communication

#include <RH_ASK.h>   // Include the RH_ASK library
#include <SPI.h>      // Not actually used but needed to compile the RH_ASK library

Source: digikey.com

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