arduino wireless communication

1void loop()
2{
3    // Create our message
4    const char *msg = "Hello World";
5 
6    // Send our message
7    radio.send((uint8_t*)msg, strlen(msg));
8 
9    // Wait until the data has been sent
10    radio.waitPacketSent();
11 
12    // Delay since we dont want to send a trillion packets 
13    delay(1000);
14 
15    // Also inform the serial port that we are done!
16    Serial.println("Data Sent");
17}

1RH_ASK radio(2000, 11, 12);
2 
3void setup()
4{
5    Serial.begin(9600);   // Use this for debugging
6 
7    // Speed of 2000 bits per second
8    // Use pin 11 for reception
9    // Use pin 12 for transmission
10    
11    if (!radio.init())
12    {
13         Serial.println("Radio module failed to initialize");
14    }
15}

1void loop()
2{
3  // Create a 32 byte char buffer
4  uint8_t receive_buffer[32];
5  uint8_t buflen = sizeof(receive_buffer);
6 
7  // If data is available, print it
8  if (radio.recv(receive_buffer, &buflen))
9  {
10    Serial.print("Message: ");
11    Serial.println((char*)receive_buffer);         
12  }
13}

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