// transmitter.pde // // Simple example of how to use VirtualWire to transmit messages // Implements a simplex (one-way) transmitter with an TX-C1 module // // See VirtualWire.h for detailed API docs // Author: Mike McCauley (mikem@airspayce.com) // Copyright (C) 2008 Mike McCauley // $Id: transmitter.pde,v 1.3 2009/03/30 00:07:24 mikem Exp $ #include void setup() { Serial.begin(9600); // Debugging only Serial.println("setup"); // Initialise the IO and ISR vw_set_ptt_inverted(true); // Required for DR3100 vw_setup(2000); // Bits per sec } void loop() { const char *msg = "hello"; digitalWrite(13, true); // Flash a light to show transmitting vw_send((uint8_t *)msg, strlen(msg)); vw_wait_tx(); // Wait until the whole message is gone digitalWrite(13, false); delay(200); }