Para la comunicación RF use la siguiente librería VirtualWire-1.4.zip descargar y descomprimir en libraries en mi caso
/opt/arduino-1.5.1/libraries
Nota. la librería solo funciona con la versión 0022 de Arduino
Receptor
#include <VirtualWire.h> // you must download and install the VirtualWire.h to your hardware/libraries folder
#undef int
#undef abs
#undef double
#undef float
#undef round
void setup()
{
Serial.begin(9600);
vw_set_ptt_inverted(true); // Required for RX Link Module
vw_setup(2000); // Bits per sec
vw_set_rx_pin(4);
vw_rx_start();
Serial.println("Iniciando");
}
void loop()
{
uint8_t buf[VW_MAX_MESSAGE_LEN];
uint8_t buflen = VW_MAX_MESSAGE_LEN;
if (vw_get_message(buf, &buflen)) // check to see if anything has been received
{
int i;
for (i = 0; i < buflen; i++)
{
Serial.print(buf[i]); // the received data is stored in buffer
}
Serial.println("");
}
}
Emisor
#include <VirtualWire.h>
#undef int
#undef abs
#undef double
#undef float
#undef round
void setup()
{
vw_set_ptt_inverted(true); // Required for RF Link module
vw_setup(2000); // Bits per sec
vw_set_tx_pin(3);
}
void loop()
{
const char *msg = "Hola blas !!!"; // this is your message to send
vw_send((uint8_t *)msg, strlen(msg));
vw_wait_tx(); // Wait for message to finish
delay(200);
}
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