Simple RF receiver and poster to thingspeak.com
Receives date from RF transpotter [RFTransmitter.ino] and posts it to thingspeak.com using ethernet.
To see debug messages set variable serialInit to true. Will initiate Serial and prinr messages. For standalone mode set serialInit=false;
+5v -> RF receiver Vcc PIN 12 -> RF receiver Data pin GND -> RF receiver GND
PIN 13 -> Receive LED indicator PIN 2 -> RELAY for reating
use latest version of VirtualWire. Currently obsolete but needed for old code. http://www.airspayce.com/mikem/arduino/VirtualWire/